Tripath 5 Channel TA3020 Amp Board with Power Supply - diyAudio
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Old 12th November 2007, 08:58 PM   #1
john65b is offline john65b  United States
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Default Tripath 5 Channel TA3020 Amp Board with Power Supply

Tripath TA3020 5 channel Amp Board

I need to make room for the next project, so up she goes...

There are extensive mods for these boards listed here and this one has NO MODS DONE - completely stock.

I am keeping the tranny at the moment.

Best offer gets her.
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File Type: jpg ta3020.jpg (92.5 KB, 608 views)
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Old 18th November 2007, 02:42 AM   #2
john65b is offline john65b  United States
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I have completed the Overload Resistor mod (won't shut down on a 4 ohm speaker load), and replaced the crappy 2.2uF electrolytic input caps with nice Bennic 2.2uF Polypropylene caps.

How's $80 + shipping?

Just like having 5 UCD180 amp and power supply modules...Just add your toroid...
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File Type: jpg ta3020a.jpg (96.9 KB, 438 views)
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Old 18th November 2007, 03:29 AM   #3
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What kind of power is this capable of and what are the Toroid specifications needed?
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Old 18th November 2007, 12:43 PM   #4
john65b is offline john65b  United States
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With 60V rails, 300 wpc@ 4ohms.

The 500 - 600VA toroid that came with the unit has 5 wires - 84VCT and 7v-0 on the main plug (gets you +/-58V rails and the required 10V) and there are two smaller plugs on the toroid , only one of which is need to run the amp board - I beleive its 5v-gnd-gnd-12v. I will have to check right quick on this.

The third plug off the toroid onto the PS board powers another section - preamp or DAC? and not required to get the amp board running.

I believe the only voltages needed are main rails (+/-35V to +/-65V), a 10V and a 5V, i think they both need to be reference to main rails.

From the TA3020 datasheet (google it for full copy)

GENERAL DESCRIPTION
The TA3020 is a two-channel, 300W (4Ω) per channel Amplifier Driver IC that uses Tripath’s proprietary Digital
Power Processing (DPPTM) technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the
power efficiency of Class-D amplifiers.
APPLICATIONS
Audio/Video Amplifiers & Receivers
Pro-audio Amplifiers
Automobile Power Amplifiers
Subwoofer Amplifiers
B E N E F I T S
Reduced system cost with smaller/less
expensive power supply and heat sink
Signal fidelity equal to high quality Class-
AB amplifiers
High dynamic range compatible with
digital media such as CD and DVD
FEATURES
Class-T architecture
Proprietary Digital Power Processing technology
“Audiophile” Sound Quality
0.02% THD+N @ 50W, 8Ω
0.03% IHF-IM @ 30W, 8Ω
High Efficiency
95% @ 150W @ 8Ω
90% @ 275W @ 4Ω
Supports wide range of output power levels
Up to 300W/channel (4Ω), single-ended outputs
Up to 1000W (4Ω), bridged outputs
Output over-current protection
Over- and under-voltage protection
Thermally Enhanced 48-pin DIP (dual-inline
package
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Old 18th November 2007, 05:10 PM   #5
Nanook is offline Nanook  Canada
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Default whose kit is it?

41Hz? please let me know or pm me.

thanks

stew
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Old 19th November 2007, 01:41 AM   #6
gogu is offline gogu  United States
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Default Tripath 5 Channel TA3020

Hi, could you please tell me if the TA3020s are in sockets or directly soldered to the PCBs?
Thank you
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Old 19th November 2007, 03:23 AM   #7
john65b is offline john65b  United States
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They appear soldered.
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Old 28th November 2007, 03:59 AM   #8
john65b is offline john65b  United States
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I have decided to add the 600VA toroid to the sale. All set up to go - Solder up your inputs, add an IEC and your good to go.

I have updated the caps and overload limit.

$115 plus shipping.
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Old 28th November 2007, 04:53 AM   #9
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Any trades? hehe...
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Old 29th November 2007, 02:00 AM   #10
john65b is offline john65b  United States
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Quote:
Any trades? hehe...
Whatcha have? My current bug is Class A amps.....
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