Tripath TA2020 4 Channel Amp - diyAudio
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Old 28th November 2007, 03:49 AM   #1
john65b is offline john65b  United States
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Default Tripath TA2020 4 Channel Amp

This was my first foray into Tripaths (after the Sonic Impact mod)

I found an individual who was working for a Video Game Kiosk company that were test prototyping 6 channel Tripath TA2020 amp boards .

He had about 20 of these six channel amp boards and I bought quite a few of them. This particular board had two channels in protect mode (1/2 output) and I used the working 4 channels to build this amp. Sound has that Tripath sound and the TA2020 is a 20wpc.

Could use a few more mods.

I have installed a LM350 Voltage reg to bring the 19VDC 3.2A Laptop Power Supply to a usable 13VDC. The LM350 allows up to 5A, while the lesser LM317 was limited to 1.5A.

Has a pop upon startup and pop on shutdown due to the 10,000uF cap installed on the power leads to the board.

All encased in a nice Hammond enclosure - bottom of enclosure is a bit hacked up from a previous botched job.

Anyway, $85 plus shipping takes her...
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Old 28th November 2007, 03:51 AM   #2
john65b is offline john65b  United States
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Default Backside

Backside of amp.

BTW the Laptop Power Supply is included.

A $40 VALUE AND WILL POWER MOST COMPAQ AND HP LAPTOPS!!
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Old 28th November 2007, 03:52 AM   #3
john65b is offline john65b  United States
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Default Inside

Inside showing the TA2020 Chips (all 3, but two on left are connected)
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Old 28th November 2007, 03:54 AM   #4
john65b is offline john65b  United States
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Underside of amp - cosmetic issues clearly visible...
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Old 28th November 2007, 03:55 AM   #5
john65b is offline john65b  United States
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Default Another Inside pic

Another inside pic...
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Old 12th December 2007, 03:29 AM   #6
john65b is offline john65b  United States
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Bump - this one too.
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Old 11th January 2008, 11:31 PM   #7
john65b is offline john65b  United States
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Another Bump

Still Available...
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Old 17th April 2009, 05:55 PM   #8
john65b is offline john65b  United States
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I had to take this posting off the trading post a year ago as I had to move across the country.

Anyway, it is again available...
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Old 29th April 2009, 03:11 AM   #9
john65b is offline john65b  United States
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Bump...
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Old 29th April 2009, 03:34 PM   #10
doug20 is offline doug20  United States
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Im interested, do I send you an email?
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