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4x100W at 4 Ohm TK2050 Class-T Digital Audio Amplifier Board

Brand:| Model: AA-AB33182
Overview
Based on two TC2000 and four TP2050 chips from Tripath, this Class-T audio amplifier board simplifies the creation of exceptional sounding custom multi-channel systems.
Highlights
  • Perfect Class-T architecture featuring Tripath TC2000 and TP2050
  • Four channels—each up to 100W
  • Pre-assembled, pre-tested
  • Ample heat sink with cooling fan
  • Audiophile quality sound
  • Up to 90% efficiency
Part # 
320-335
Weight: 1.15 lbs.  
IN STOCK
List Price$99.95
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Part # 320-335
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Product Details

4x100W at 4 Ohm TK2050 Class-T Digital Audio Amplifier Board

Based on two TC2000 and four TP2050 chips from Tripath, this Class-T audio amplifier board simplifies the creation of exceptional sounding custom multi-channel systems. Compatible with power supplies ranging from 10V DC to 30V DC, it can be used in many audio applications. The amplifier has four channels with the same power of up to 100 watts each, resulting in outstanding sound quality and versatility. You can employ any number of channels you like, and leave the others unused.

This amplifier is exceptionally well designed, with a lot of power reserve, high fidelity, low distortion, good S/N ratio, high sensitivity, and full protection with heatsink and fan. These ideal characteristics make this amplifier a candidate to become the basic building block of your future high fidelity system, or it can become the element that will upgrade an existing system.

Features and Specifications: 
• Two Tripath TC 2000 and four Tripath TP2050 chipsets
• Over/under voltage protection, over current protection, over temperature protection
• Input sensitivity: 520 mV @ 100W per channel 
• Input impedance: 10 kΩ
• Efficiency: 90.3% @ 100W per channel
• Minimum impedance (per channel): 3.2Ω
• Output power (using 30V power supply): 64W x 4 @ 4Ω (1% THD+N), 108W x 4 @ 4Ω (10% THD+N)
• Frequency response: 20 to 20,000 Hz (±3 dB) 
• Signal to noise ratio: 100 dB (A-weighted) 
• DC power supply range: 10V to 30V
• Dimensions (L x W x H): 153 x 112 x 53 mm.



Product Specifications
  • Power Output (RMS Per Channel @ 8 ohms)50 Watts
  • Power (RMS/Channel 8 ohms)26 - 50 Watts
  • Special FeaturesClass T,Board Only Module
  • Weight Range< 10 lbs.
4x100W at 4 Ohm TK2050 Class-T Digital Audio Amplifier Board
  • BrandParts Express
  • ModelAA-AB33182
  • Part Number320-335
  • UPC844632007910
  • Product CategoryAmplifiers
  • Unit of MeasureEA
  • Product Rating
    (5 Reviews)
  • Weight1.15 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

4x100W at 4 Ohm TK2050 Class-T Digital Audio Amplifier Board
4x100W at 4 Ohm TK2050 Class-T Digital Audio Amplifier Board is rated 4.2 out of 5 by 5.
Rated 5 out of 5 by from These amps are all so great. This is no exceptionThis product, just like all the Sure Amp Boards, works great, has next to no distortion and easily embeds in audio projects. I have put this thing in countless custom projects and the new owners are always blown away. Sometimes, I put these right in speaker cabinets I've restored or build, with a BlueTooth unit to create an almost wireless sound system. People LOVE it.
Date published: 2014-03-20
Rated 3 out of 5 by from Didn't work in the car. Worked fine on the computer.The amp picked up way too much noise to be used in the car. I spent all day with no success trying to get it grounded enough to stop the noise even ran a ground directly to the battery. Put the amp in different locations and ended up using a regular auto amp instead with no problems. Not sure if there is a filter or something that would allow it to be used in the car since the directions say it can be used for auto. I hooked it up to a 12 volt and then a 24 volt power supply to a laptop in the house and it sounds good with either power supply with no background noise.
Date published: 2014-01-29
Rated 5 out of 5 by from Wish I had this decades ago!Got this to drive a multi-speaker basement setup: 2 Bose 301 Series II, 2 Realistic rear mini speakers, 2 large Utah bookshelf speakers (and eventually 2 AR-4 speakers, once I re-cone them). I wanted to see how much current it was taking since the power supply (24VDC, 14.6A, Part #: 320-316) fan was not running. At idle, it took 0.37A. At too loud for upstairs TV watchers, it took 0.4A. I measured it with 2 different meters. Since my power supply would only go to 27.4V, that is 10.96W input power. So it is loafing, with lots of head room, and sounding very good! I drove it with a McIntosh C27 preamp.I wish I had this amp decades ago when I was providing the sound for a parade float for a children's chorus. It would have sounded far better than what I had then and it would have run on batteries (even 2 x 12V lawn tractor ones would have lasted the duration of the parade). And it would sound far better than the typical float "boom box" setup.This amp would also have been excellent for providing the sound for a Jr High musical in a sound challenged cafeteria-auditorium. The individual channels would have allowed adding the proper delay between the front audience speakers and the middle audience speakers, or for adding individual channel echo-canceling signal processing.
Date published: 2014-03-20
Rated 5 out of 5 by from Wow, it sounds better than expected!Giving it a rectified 25VDC from a salvaged pwr supply, The sound quality is much higher than anticipated. The onboard fan was initially a concern, but remains mechanically and electrically silent. I have not tried to clip this amp, but have driven it fairly hard and it delivers the goods. The turn off thump is also quiet enough to completely dismiss. There is no power-up pop. The power jack seems to be an oddball size, which required me soldering directly to the board (no biggie). Overall, definitely a deal.
Date published: 2013-07-22
Rated 3 out of 5 by from 50% reliability, and missing some features.I recently purchased two of these amps to run 6 Aura Pro tactile transducers + 4 Dayton "Pucks". One amp is running four Aura Pros, the 2nd amp is running 2 Aura Pros (4 ohms each) and 4 Dayton pucks (16 ohms each), two per remaining channel in series, so that amp is running two channels at 4 ohms, and two at 8 ohms. But the 2nd amp whose channels I plan to run at 8 ohms were not working....after troubleshooting a bit, I found the channels are indeed dead. So I'll be replacing the 2nd amp.I'd also mention that the recommended Mean Well amp does not come with a power connection required for this amp, and despite what the manual says, there is not a terminal block for the power input for this amp. So be sure you order part #090-492 to go along with this amp. I simply soldered my power connections for the time being.
Date published: 2014-01-03

Product Q&A

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4x100W at 4 Ohm TK2050 Class-T Digital Audio Amplifier Board

Hey guys,

Hey guys,Which potentiometers should I use to control volume on the 4x100W @ 4 Ohm TK2050 Class-T Digital Audio Amplifier Board?
Asked by: sitting bull
Just use some 10K pots in series with the input signal.http://www.parts-express.com/pe/showdetl.cfm?partnumber=023-530I have used many of these for misc. amp projects. I just get a little project box, rca female inputs/jacks, and the pot with knob....*Boom* a lil passive preamp (well not really a preamp but volume attenuation). I like this as its just the cd player and the amp, nothing in between to color sound. Simple and cheap. Good Luck
Answered by: Progneta
Date published: 2012-09-26

Power distribution

I have a 28V linear power supply rated up to 18A max. I'd like to use it to drive these amp boards and maybe other items in my rack. If I just power the amplifiers, do I need to build some sort of bus or just run them in parallel from the PSU?. Volume control is via media application software. Based on the current overhead, do i need some sort of protection for these boards, or just operate the volume reasonably?
Asked by: greyleopard
Well, there is an easy test for driving several rack items at once. Listen to your amp alone at close to full volume--but not clipping. Then add on one at a time to see if the loudness or clarity changes. Voltage sag in a power supply starts out as lowered output volume potential then just plain bad. You will notice a difference if so. Parallel from the PSU is likely the way to goo--I can't see why not. Protection is almost never needed here. You would need to get the trigger just right to avoid "pumping" the volume. You sound like you don't run anything into clipping anyway. Good project!!
Answered by: Joe from San Francisco
Date published: 2013-10-30

hi

power supply?
Asked by: speaker freack
We recommend the 14.6A power supply with this amplifier.
Answered by: MattP
Date published: 2013-09-27

Class D" or T" . Please explain?

Class D" or T" . Please explain? Which one is it? Manual says Class D, I heard class D is horrible for mids & highs but decent for Low end...Are Class T & D associated with ea other? Whats gong on?
Asked by: Dr Noob
This amplifier is class D. Class T refers to a tripath based chip amps and is similar, but still a separate class.When Class D first came out there were some sound quality issues, but the category has improved dramatically over the years and they are very comparable to a standard class AB amplifier these days.
Answered by: Chrisf
Date published: 2013-07-22

2.1 Setup?

I want to use this amp for a 2.1 setup. I know I can't bridge the outputs, but I still need a mono out for the sub with a L/R in to have both channels going to it. How can I configure the inputs, with one rca output, from my source?
Asked by: AaronLP
If I understand your question--unless you have a sub-woofer with 2 voice coils, the sub inputs may be "y" type--and the2 outputs would be fighting each other. Same as trying to bridge the outputs. There are buffering devices that allow joining 2 speaker outputs, but they may be cost prohibitive. I will try to find one. In the meantime, you do have substantial power with just one speaker output. When you double the power output, you only get 3 db headroom increase anyway.
Answered by: Joe from San Francisco
Date published: 2013-11-01

Can this amp be used for a car audio 4 channel amp?

Just for fun. Can this amp be used for car audio 4 channel amp hooked up to RCA connectors off the head and ran on the car's 12 volt power supply. How well do you think it would perform?
Asked by: Customer
I see no reason this will not work, these are used for that application all the time.
Answered by: MattP
Date published: 2013-07-03

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