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Chip Amps Amplifiers based on integrated circuits

Just bought a ADS amp
Just bought a ADS amp
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Old 3rd January 2011, 02:48 AM   #1
joesch1999 is offline joesch1999  United States
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Default Just bought a ADS amp

Amp works great I Know they are very clean and I am just wondering since I have not tore this thing apart is it gonna be difficult to fix because of parts availability or what am I going to expect
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Old 3rd January 2011, 03:18 AM   #2
joesch1999 is offline joesch1999  United States
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Amp is a p80 i would say made in the 90s when they were good
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Old 3rd January 2011, 01:36 PM   #3
tsmith1315 is online now tsmith1315  United States
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You may get more response in the car audio forum.

Send me an email address and I'll forward a copy of the manual in .pdf.

A/D/S used Sanyo STK series "Power Pack" chips in the P120 and P80. They are still out there, I need an STK0029 myself and have found it in a couple of places.

Standard switching power supply uses bipolars, and there's nothing unusual inside.

Oh, and the P80 was mid-1980's.
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Last edited by tsmith1315; 3rd January 2011 at 01:39 PM.
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Old 15th January 2011, 03:00 AM   #4
silverprl1 is offline silverprl1  United States
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Funny - I just grabbed two of those out of storage. 20th Anniversary Models from probably 1989? model P2110.2 PowerPlate and a P640.2 Powerplate. They are perfect. I haven't cracked them open, but I still think of them as the last high-end 12V amps. After a/d/s came all the crap stuff with outputs ;listed 4X what they actually were, followed by Capacitors and extra Batteries, and now you've got 2-3 yrs of working, whereas these a/d/s amps worked and were used from 1989 to 2004, and even cosmetically look like NIB.
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Old 15th January 2011, 04:24 AM   #5
joesch1999 is offline joesch1999  United States
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Gotta love old ads arguably one of the best, adcom car audio, mkintosh,pheonix gold maybe a couple others of that time, I know everyone will mk no contest i would say yeah big contest when you think about price
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Old 16th September 2019, 03:11 AM   #6
Mikewit is offline Mikewit  United States
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Default ads amps

Ran a Tri amp system with ADS amps Audio control Eqx into Audio control 2xs crossovers to a p-120 for the Ads 320 I woofers and p-40 for the Tweeters in the front

a p-120 for the Ads 300 plates in the back and

2 p-120's Bridged to two 12 "JL audio subs in the custom built box attached to the rear deck. Used a crossover point at 90 hz for the subs and don't recall the point for the Ads 320 I's up front



sound and staging was absolutely Amazing and clean sound that made MR Clean jealous. won the first alpine regional contest in the pro section. did not go to calif for the national because i would have been going up against cars that put more into looks than sound, however comparing my sound sheet this car beat every car in the nationals by judges reports and scope. Ads is awesome sound but then they changed models to the PQ... and did some stupid *** phase thing that sounded bad. i still have th ewhole system and am just now installing SOME of it into my car. with focal speakers. cant wait.
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