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Car Audio

Are Single or Dual Voice Coil Subwoofers Better?

BestCarAudio.com - August 1, 2021

Voice CoilWhen it comes to buying subwoofers, a lot of people have questions or make assumptions about the benefits and drawbacks of single voice coil and dual voice coil versions. Understanding the differences between them requires a slightly enhanced understanding of how an amplifier works. We cover both topics in this article.

How an Amplifier Works

An amplifier is a simple device that takes an audio signal (from your radio, for example) and increases the voltage. That’s it.

You may (logically) be asking yourself, “Why do we call it a power amplifier?” We get an increase in power because the speakers we connect to the outputs of the amplifier have a low impedance. In car audio, we typically see loads between 1 and 4 ohms. This low impedance, combined with the increased voltage of the audio signal in the amplifier, causes relatively large amounts of current to flow through the voice coil of the speaker. This current flow causes a magnetic field and, subsequently, the voice coil moves toward or away from the magnetic field created by the stationary magnet on the speaker.

(OK, maybe this didn’t stay as simple as originally planned.)

Amplifier Load Determines Amplifier Power

Voice Coil
Ohm’s Law Pie Chart
Let’s use an example of an amplifier that has a peak output voltage of 20 V. We don’t need to worry about the fact that this is an alternating current signal – we will examine this at a single point in time. With 20 V applied to our voice coil, let’s say we have a 4 ohm impedance on this coil. Ohm’s law states that a potential of 20 volts applied across a resistance of 4 ohms will result in 5 amp of current to flow. Using the equation P (Power) = Voltage x Current, we get 20 x 5, or 100 watts of power. If we change the impedance of the load to 2 ohms, we double the current to 10 amps, for a resulting power level of 200 watts.

If you look at the specifications for an amplifier, especially a subwoofer amplifier, you will see power ratings at different load impedances. In most cases, unless the voltage of the power supply in the amplifier is adjustable, amplifiers will make more power as the load impedance decreases.

What About These Subs?

Deciding which subwoofers to buy depends on the amp you are using and the number of subwoofers you are going to use. You want to choose a combination of subwoofers that will let you wire the voice coils together to an impedance that will allow the amp to make the power you want. Let’s look at several examples.

Example 1

Voice Coil
Images courtesy of JL Audio

We have the option of two different fictional subwoofers, each rated for 750 watts of continuous power handling. One subwoofer has a single 4 ohm voice coil. The other subwoofer has dual 4 ohm voice coils.

The dual voice coil subwoofer can have its coils wired in series to produce an 8 ohm load, or in parallel to produce a 2 ohm load. To complete this fictional example, we have an amplifier that will produce 400 watts into a 4 ohm load and 700 watts into a 2 ohm load. We have a small car and want to use a single 12 inch subwoofer in a large vented enclosure to get maximum low-frequency output. What sub should we use?

If we use the single voice coil subwoofer, the amplifier will not make full power in the 4 ohm load. We should use the dual voice coil subwoofer and wire the voice coils in parallel to present the amp with a 2 ohm load.

Example 2

Voice Coil
Images courtesy of JL Audio

In this example, we have the same electronic equipment, but the vehicle is a large SUV. There is a lot of room for subwoofers, and the owner wants to list to reggae, loudly. The owner has listened to a friend’s system and found out that a pair of subs matches his listening preferences perfectly. Which subs should we use?

If we use the dual voice coil subs, we have three options for wiring the four (two on each sub) voice coils together. We could wire all the coils in parallel. Parallel wiring will present the amp with a 1 ohm load. Most likely, the amp will go into protection because the load is too low. We could wire all the coils in series to present the amp with a 16 ohm load – but that’s not going to happen. We could wire the voice coils on each subwoofer in series, then parallel the pair of subwoofers to get a 4 ohm load. A 4 ohm load is not ideal.

If we use a pair of single voice coil subwoofers, however, and wire the subs in parallel, we get a 2 ohm load. Happy amp and happy customer!

Choosing and Wiring Subwoofers

  • Voice CoilYou can use as many subwoofers as you want on a single amplifier.
  • You must use all the voice coils on each sub. If you need a 4 ohm load but have a dual 4 ohm sub, using only one coil is going to cause issues. Bad issues.
  • Wire all the subwoofers you choose so the current going through each subwoofer is the same. In most cases, this means using pairs of subs. In the past, several companies offered dual 6 ohm voice coil subs that could be wired in groups of three to present amplifiers with standard load impedances of 1 or 4 ohms.

Do not wire one dual voice coil subs in series and one in parallel before connecting the subs together in parallel. You will get more current through the (parallel) low-impedance subwoofer. This imbalance will upset the performance of the enclosure and wreak havoc with the reliability and quality of your system. This is unrelated to the wiring of multiple subwoofers, but: Don’t mix and match different subwoofers. Each has its enclosure requirements and response characteristics. There is no way to guarantee that the output of two different subwoofers will sum positively at all frequencies.

So, Which Voice Coil Configuration Is Better?

The answer to the question “which is better” is neither. SVC and DVC subwoofers are simply two different options when buying. They are analogous to a tire manufacturer offering different-sized tires for different vehicles – there is an application for each.

Adding a subwoofer system should be one of the very first things you do to upgrade a factory audio system. When you are ready to make the leap into the realism, impact and dynamics that a great subwoofer can add, drop by your local car audio specialist retailer. They would be happy to work with you to design a system that meets your performance expectations.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, RESOURCE LIBRARY

Product Spotlight: Rockford Fosgate M2 Subwoofers and Coaxial Speakers

BestCarAudio.com - July 23, 2021

Rockford Fosgate M2

When it comes to delivering great sound on your boat or powersports vehicle, the M2 series of subwoofers and coaxial speakers from Rockford Fosgate delivers fantastic performance. These Element Ready speakers and subs not only sound impressive, but they look cool and are designed with materials that can handle the worst punishment Mother Nature can dish out.

Rockford Fosgate M2-Series Coaxial Speakers

Rockford Fosgate M2

Whether you need a speaker for the dash of your side-by-side or the bow of your boat, the new M2 coaxial speakers from Rockford Fosgate are a great choice. The models of the flagship M2 series combine the best audio performance, the coolest styling and the most power handling available.

You have your choice of 6.5- or 8-inch coaxials in black or white. In addition, all the M2 speakers and subwoofers include the Color Optix feature with integrated RGB LED illumination. When combined with the PMX-RGB controller, you can choose from hundreds of color options to add extra style to your vehicle. You can even control the lighting using your Apple or Android smartphone using the RF Connect app.

Rockford Fosgate M2

The M2 coaxial speakers are based on an injection-molded PA66 glass fiber reinforced frame that offers good rigidity. The mineral-filled polypropylene woofer cones feature a thermoplastic elastomer surround and Rockford Fosgate’s Vertical Attach Surround Technique (VAST) that increases effective cone area. A 1-inch voice coil wrapped around a Kapton former is at the heart of these drivers. The 1-inch tweeter in each speaker features a dual neodymium magnet motor and a laminated “PXNX” diaphragm design for clean, crisp highs. The tweeter is suspended above the woofer, so there’s no pole piece to take up valuable space. This design increases the surface area of the woofer for more output. Electrical connections are made via corrosion-resistant brass terminals or waterproof Deutsch-style connectors.

The RGB LED lighting is concealed and protected by an optically clear, UV-stable lens. In addition, a weathertight Deutsch connector is provided for each driver so your installer can connect the LEDs in the grille to the controller. Speaking of the grille, you can choose from the twin six-spoke Sport option or the stainless steel mesh design.

Every component used on the speakers includes UV inhibitors, which help ensure that they look great and won’t break down and yellow, chalk, crack or fade when exposed to harsh sunlight. The speakers pass the ASTM G154 500-hour accelerated weather test for UV exposure and the ASTM B117 500-hour salt fog exposure test. In addition, the ISO 60068-2-24 structural integrity test confirms that the designs can handle the bumps and impacts common to marine and powersports applications.

Rockford Fosgate M2

The M2-65 (white) and M2-65B (black) speaker sets have a power rating of 150 watts continuous and 600 watts peak power. The speakers have a nominal impedance of 4 ohms and a 1-watt, 1-meter sensitivity of 91.8 dB. The 8-inch M2-8 and M2-8B speakers up the power handling to 250 watts, with peak power rated at 1,000 watts. Sensitivity increases to an impressive 93.1 dB at 1-watt, 1-meter.

This driver design is also available in Rockford Fosgate’s M2 two-way wake tower speakers in white or black.

M2 Subwoofers Bring Fun to the Party

Rockford Fosgate M2

Of course, no serious mobile sound system is complete without subwoofers. Rockford Fosgate has you covered with no less than 16 options. First, you have your choice of 10- or 12-inch drivers in dual 2-ohm or dual 4-ohm voice coil configurations. Next, you can pick from white or black cosmetics to complement or contrast your vehicle. Finally, you can choose from drivers designed for infinite baffle or sealed applications. Any combination of the above criteria is available to ensure that your boat looks and sounds the best it can. All the subwoofers in the M2 series feature Color Optix RGB LED lighting built-in. Deutsch connectors are provided for both speaker power and lighting connections for a clean and tidy installation.

Rockford Fosgate M2

The subwoofers feature 1.95-inch two-layer voice coils and are rated to handle 400 watts continuously with peaks of 1,600 watts. The specific Xmax specification varies by model, but all are around 0.5 inch in each direction. The 10-inch sealed subwoofers will work in enclosures as small as 0.5 cubic foot, and the 12’s require at least 0.75 cubic foot. Wisely, the owner’s manual has suggestions for implementing a (correctly named) infrasonic filter in vented enclosure and infinite baffle installations.

The included Versa switch allows your installer to switch from series or parallel voice coil wiring quickly during installation. In addition, the subwoofers are made from materials similar to that of the coaxial speakers and pass all the same physical and environmental test requirements to function reliably.

Rockford Fosgate M2

Upgrade Your Adventure with Rockford Fosgate Speakers and Subwoofers

If it’s time to upgrade the audio system on your boat or powersports vehicle, drop by your local authorized Rockford Fosgate dealer and ask about the complete line of Element Ready M2 subwoofers and coaxial speakers. They’d be happy to design a system that will sound amazing. You can find a dealer in the U.S. or Canada using the Dealer Locator on their website. Also, be sure to follow the Rockford Fosgate Facebook page, Instagram feed and YouTube channel to be the first to see the latest demo vehicles and new products from our friends in Tempe, Arizona.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

  • Devine Concepts

Filed Under: ARTICLES, Car Audio, PRODUCTS, RESOURCE LIBRARY Tagged With: Rockford Fosgate

Product Spotlight: Rockford Fosgate DSR1 Digital Signal Processor

BestCarAudio.com - July 9, 2021

Rockford DSR1

Thanks to the DSR1 digital signal processor from Rockford Fosgate, upgrading car audio systems has never been easier. Aside from a full suite of easily configurable audio processing features, the DSR1 includes an iDatalink Maestro amplifier replacement interface. Maestro technology can be used to upgrade the audio system in more than 1,500 vehicle applications with reliable and predictable results. The DSR1 is compact, powerful and, most importantly, it can make the stereo in your car, truck or SUV sound amazing.

Rockford Fosgate DSR1 Features

At its core, the DSR1 is the latest generation of Rockford Fosgate’s 3-SIXTY digital sound processor. The compact unit includes four pre-amp inputs that will accept up to 4 volts of signal from a radio and four speaker-level inputs that will accept signals up to 12.5 volts from an amplifier. The DSR1 includes a DC offset detection circuit that will power the unit up when it detects that the factory radio has turned on. Rockford has also included a coaxial digital input for connectivity with SP/DIF-equipped factory-installed audio system. The eight outputs are rated to produce up to 4 volts, making them compatible with any amplifier on the market.

Rockford DSR1

The software used to configure the DSR1 is designed for tablets and smartphones. Your installer can download the PerfectTune app from the Apple Store or Google Play store and use this slick graphical interface to configure the input and output connections and calibrate your audio system.

Rockford DSR1
Your installer has several options to route audio signals into the DSR1.

From a system configuration perspective, the DSR1 can accept audio on one or two sets of inputs. There are output configuration options that include front/rear/sub, front two-way/rear/sub, center/front/rear/sub, front three-way/sub and a few more options. The function of the optional PLC2 remote is configurable in the software to act as subwoofer level control, a Punch bass boost control or the master volume control for the system.

Rockford DSR1
The front three-way and subwoofer option is one of the eight available output configurations available in the PerfectTune app.
Rockford DSR1
The optional PLC 2 remote control can be configured as a subwoofer level, Punch EQ or master level control.

The setup options continue with crossovers adjustable in frequency from 20 Hz to 10 kHz with slopes of 6 dB through 48 dB per octave. All of the filters have a Linkwitz-Riley alignment, so they sum flat at the crossover point. Your technician can apply high- or low-pass filters to each channel or use both to create a bandpass crossover for midbass and midrange drivers. Your installer can implement an infrasonic filter on the subwoofers by applying a high-pass filter at 20 or 25 Hz to protect drivers from excursion issues at high volume levels.

Rockford DSR1
Channels three and four configured with a 300 to 3.5 kHz bandpass filter to power a set of midrange speakers.

Each output has a dedicated output trim level control to adjust each driver before your technician implements equalizer settings to smooth the output. The EQ for each of the eight outputs has 31 bands of adjustment. Each band can be fine-tuned in terms of frequency, Q-factor and boost or cut. Lastly, the signal delay settings for each channel are adjustable in 0.01-millisecond steps. Rockford Fosgate includes a delay calculator tool that allows your installer to enter the distance to each speaker. In turn, it provides the equivalent delay setting information while minimizing the maximum overall delay.

Rockford DSR1
The eight output channels have dedicated 31-band parametric equalizers that your tech can use to fine-tune the response of your car audio system.
Rockford DSR1
The built-in delay calculator makes quick work of configuring the signal delays for each speaker in a system.

iDatalink Maestro Integration Features

Many modern cars and trucks use a source unit and amplifier configuration with a fixed-level audio signal. Volume, tone, fader and balance adjustments take place inside the amplifier. Additionally, signal processing like equalization, crossovers, volume-based tone adjustments and all-pass filters are applied to the outputs of the factory-installed amplifier to maximize the performance of the speakers that came with the vehicle. Attempting to undo this processing is complicated. Enter the Maestro Interface. As experts in working with the digital networks in cars and trucks, iDatalink partnered with Rockford Fosgate to create an interface that will convert the CAN signals passing from a factory-installed radio to the amplifier into commands that the DSR1 can execute. When you turn up the volume on the radio, that command is forwarded to the DSR1 and the master output level increases.

Rather than experimenting with the input EQ and mixers on a DSP, or adding unwanted delay from an integration processing, using a solution like the DSR1 allows your installer to create an audio system that works just like the one from the factory. Not only will the music sound great, but prompts from the navigation system, audio from Bluetooth hands-free phone calls and chimes from safety solutions will function flawlessly.

Rockford DSR1
The DSR1 can replace a CAN-controlled amplifier to provide you with eight channels of output that can feed any amplifier on the market.

Why Upgrade Your Car Stereo with the Rockford Fosgate DSR1?

If you don’t have a digital signal processor in your aftermarket audio system, adding a solution like the DSR1 from Rockford Fosgate is the easiest way to add realism and authenticity to the listening experience. Instruments and vocals will sound more lifelike, and your music will be reproduced with accurate staging and imaging that will make you feel like you are at a concert.

There are DSR1 applications for select Ford, Chrysler, Dodge, Jeep, Ram, Fiat, Maserati, Volkswagen, Lexus, Subaru, Toyota, Nissan and Infiniti vehicles. When combined with a dedicated integration harness, upgrading your car audio system while retaining the factory infotainment system couldn’t be easier. Your installer can configure your new amplifier, speakers and subwoofer quickly with the PerfectTune app and deliver an audio system that sounds amazing. Likewise, the DSR1 is an ideal solution to upgrade audio system performance on a motorcycle, boat or side-by-side.

To find an authorized Rockford Fosgate retailer that can install a calibrate the DSR1 in your car or truck, visit the Dealer Locator page on their website. Be sure to give them a follow on Facebook and Instagram and learn more about their fantastic mobile, marine, motorcycle and powersports audio upgrades on YouTube.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

  • Devine Concepts

Filed Under: ARTICLES, Car Audio, PRODUCTS, RESOURCE LIBRARY Tagged With: Rockford Fosgate

Product Spotlight: Rockford Fosgate P300-10T Powered Subwoofer

BestCarAudio.com - May 28, 2021

Rockford P300-10T

Adding great bass to your truck’s audio system is easy with the Rockford Fosgate P300-10T powered subwoofer enclosure. This 10-inch bass upgrade system includes a Punch 10-inch subwoofer installed in an optimized enclosure and features a 300-watt power amplifier. Best of all, the system is ready to connect to a factory-installed audio system or an aftermarket source unit. If you’re looking for a way to add great bass to your truck, this is a fantastic option!

Punch Series Powered Truck Subwoofer System

Rockford P300-10TFitting in between the Power and Prime product echelons is the venerable Punch . Products in this range balance performance and value to deliver better-than-expected sound quality and reliability. The P300-10T is a perfect example of this philosophy as it combines a carefully thought-out enclosure with a high-quality subwoofer and a potent amplifier.

The enclosure features CNC-cut 5/8-inch MDF construction and has a durable vinyl-wrapped finish that resists damage from scuffs and scratches. The face, top and back of the enclosure have a carbon-fiber pattern in the vinyl, and the end panels are a classic leather-like grain. The enclosure is an acoustic-suspension (sealed) design that allows the overall size to remain compact. In terms of dimensions, the unit is 21.7 inches wide, 13.3 inches tall and measures a slim 7.9 inches deep at the base and only 4.8-inches deep at the top. Unlike enclosures designed for cars and SUVs, this truck enclosure has the driver mounted on the angled panel to fire into the seat. A durable mesh grille protects the subwoofer from damage. If you’re looking for a similar solution for a car or SUV, check out the P300-10 with the subwoofer mounted on the vertical panel.

The subwoofer included in the P300-10T is bespoke to this system but draws features and technologies from the Punch and Power series stand-alone woofers. As such, it features extensive voice coil cooling technologies like a large-diameter pole piece vent, vents under the voice coil in the bottom plate, venting under the spider mounting plateau and vents in the base of the cone. What makes the driver genuinely unique is its low-impedance design. Rather than the typical 4- or 2-ohm load we’re used to, it’s much lower so that the amplifier doesn’t need an expensive step-up power supply to produce impressive power levels. The result is a combination that offers good efficiency and excellent output.

Rockford Fosgate P300-10T Amplifier Features

Rockford P300-10TThe engineers at Rockford know what they’re doing when it comes to car audio component design. The amp in the P300-10T includes all the features your installer will need to integrate the system into your vehicle and make it sound amazing. First, with up to 300 watts of power on top, there’s no problem with the system playing loudly enough to keep up with the rest of the speakers in your truck while giving you a nice back massage.

The amp features a sensitivity control that allows the unit to make full power with signals between 150 mV and 6 volts. A switch adds an attenuator to the input so that the RCA pigtails can be cut off the provided harness to connect the amp to a factory-installed radio. In this mode, the maximum audio signal input voltage is 12 volts. A switch lets your installer can select from the remote turn-on input, DC offset sensing or audio signal sensing. The latter two options turn the subwoofer on automatically when a factory-installed radio turns on or starts playing music.

The adjustable electronic crossover is variable from 50 to 200 Hz, and the filter has a -12 dB/octave slope. A bass boost control is adjustable from 0 to +12 dB, and a polarity control switch that inverts the output from 0 to 180 degrees is included for quick system configuration. Last but certainly not least, the system includes a Punch Level Control that your installer can mount in the front of the vehicle. This control lets you fine-tune the system output to suit the music you listen to or your mood.

Electrical connections for eight-AWG power and ground wires, along with the remote lead, are made by a durable quick-release connector. Likewise, the audio input is on a Molex connector, and the Punch Level Control uses a 1/8-inch headphone jack. As such, the enclosure can be removed from the vehicle quickly and easily if you need extra cargo space.

Upgrade Your Truck with an Amazing Subwoofer System Today

If the stereo in your truck is like most on the road, adding a subwoofer system is one of the best upgrades you can make. The Rockford Fosgate P300-10T is a great solution to warm up your music or add some kick and get the mirror shaking. Drop by your local authorized Rockford Fosgate dealer and ask about upgrading your truck today! Be sure to follow our friends from Tempe by visiting the Rockford Fosgate website, their Facebook page, Instagram page and their YouTube channel for updates on all the latest new products.

Filed Under: ARTICLES, Car Audio, RESOURCE LIBRARY Tagged With: Rockford Fosgate

Product Spotlight: Rockford Fosgate T1650 Euro-Fit Coaxial Speakers

BestCarAudio.com - April 27, 2021

Rockford T1650

If you want a fantastic bang-for-your-buck speaker upgrade for your car or truck, check out the Rockford Fosgate T1650 Euro-Fit speaker set. Using many of the same technologies found in the popular Power Series T1 components, these speakers optimize every dimension to deliver impressive efficiency and great bass output while delivering crystal-clear sound.

What Size Are My 6.5-inch Speakers?

You’d think that cars and trucks that use “6.5-inch” speakers would all be the same, right? The reality is, some OE speakers in this class are closer to 6 inches in diameter, while others are closer to 7. Rockford’s Power Series coaxial speaker offerings include three size solutions to optimize the upgrade in your vehicle. The T16 models are 6-inch speakers and fit in cut-outs with a 5.04-inch diameter. At the other end of the scale are the T1675 speakers, which are a 6.75-inch set and require a 5.68-inch cut-out. In the middle, we have the T1650 speakers that we’ll focus on for this spotlight. These two-way drivers mount in a 5.51-inch cut-out, have an outer diameter of exactly 6.5-inches and require 2.5 inches of mounting depth.

Rockford T1650
The Euro-Fit T1650 is a true 6.5-inch speaker set with an optimized cone area to deliver excellent efficiency and bass extension when you upgrade your stereo system.

Rockford T1650 Features

The T1650 speakers are based around a custom-tooled, stamp-cast aluminum frame. Rockford Fosgate optimizes the rigidity of the design by including curved elements in both the vertical and lateral axis. Of note, there are four cooling vents near the magnet to let hot air escape from the outside of the voice coil and prevent air from pressurizing under the spider as the cone travels forward and rearward from rest. Also worthy of mentioning is the die-cut foam gasket on the rear of the mounting flange that helps to seal the speakers against the mounting surface. Not many companies include these gaskets, especially at a price point under $150 USD.

Rockford T1650
The stamp-cast basket features four cooling vents to increase power handling and improve the longevity of the T1650 speakers.

In terms of moving parts, the speakers use a carbon fiber-filled polypropylene woofer cone that’s suspended by a Santoprene rubber surround at the top and a long-lasting poly-cotton spider at the base. Rockford’s Vertical Attach Surround Technique (VAST) optimizes cone area by minimizing the width of the surround. Of course, the design team used its Klippel test equipment during the development process to ensure that these speakers operate linearly to minimize distortion.

At the base of the cone is a 1.1-inch diameter, high-temperature aluminum voice coil former with a winding that presents a 4-ohm load for the amplifier. Spade terminals in 0.25- and 0.205-inch sizes are provided for electrical connections.

One of the features that separate this speaker’s design from most competing products is how the tweeter is mounted. In most 6.5-inch speakers, the tweeter is mounted on a post that extends forward from the T-yoke through the center of the woofer cone. While this works fine, it sacrifices some cone area and reduces the efficiency of the driver. Rockford chose to mount the tweeter on a bridge that extends from the lower edge of the basket. The tweeter is angled upward to allow the installer to optimize the delivery of the highest-frequency information to the listener.

The tweeter itself is a 1-inch aluminum-dome design that has been treated to prevent unwanted diaphragm resonance. Importantly, Rockford Fosgate has integrated a 12 dB/octave tweeter filter network into the speaker to ensure a smooth transition with the woofer.

Rockford T1650
The bridge-mounted tweeter on the T1650 speakers is angled to help direct the highest of audio frequencies toward the listener.

Going back to the basket design, these speakers feature Rockford’s FlexFit 2 mounting solution. Rather than being riddled with holes, the driver mounting lip includes eight holes and eight slots that make them compatible with a variety of vehicles to save your installer time and hassle. Last and certainly not least, Rockford includes a set of perforated steel mesh grilles with the speakers for custom installations.

Rockford T1650

Let’s Look at the T1650’s Specifications

While design features are cool, how all those components come together is crucial to recreating your music with accuracy and exuberance. Rockford Fosgate rates the T1650 to handle 75 watts of power continuously and 150 watts maximum. The drivers have a Qts spec of 0.74, indicating that they are designed for installations in an infinite baffle application like the door or rear parcel shelf of a vehicle. This Q factor also indicates that the speakers will reproduce bass without the unwanted distortion that would be found from drivers with Qts values above 0.8. With that said, the compliance (Vas) specification is low enough that an enclosure with an internal volume of 0.5 cubic foot or larger won’t result in unwanted resonance in the midbass region (100-200 Hz).

Finally, the Xmax specification, which describes how far the woofer cone can move forward or rearward from rest, is an impressive 5 mm. This spec is more excursion than on some high-end component woofers in this size range. The transducer design team at Rockford Fosgate knows what they’re doing.

Rockford T1650
The T1650 speaker set includes a set of mesh grilles for custom installations.

Upgrade the Speakers in Your Car or Truck Today

If you’re shopping for a 6.5-inch speaker set to upgrade your car audio system, drop by your local authorized Rockford Fosgate retailer and ask for a demonstration of the T1650 set. Their unique combination of features will undoubtedly prove to be impressive. You can find a Rockford Fosgate dealer near you by visiting the dealer locator on their website. You can keep up with the newest product releases from Rockford by liking their Facebook page and following their Instagram feed. They also offer informative and entertaining videos on their YouTube channel.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

  • Devine Concepts

Filed Under: ARTICLES, Car Audio, PRODUCTS, RESOURCE LIBRARY Tagged With: Rockford Fosgate

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