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Old 14th May 2011, 02:59 PM   #1
diyAudio Member
Join Date: Mar 2007
Location: California
Default Proton AA-1660 6 channel power amp

I'm offering for sale a multichannel power amp made by Proton, which had an excellent reputation for making good power amps before getting out of the business. This model manufactured in the early 1990's and it still works great today. This is a great way to get into active multiway speakers using an outboard crossover.

Up to two pairs of channels can be bridged to give 150W channels, so you operate with 4,5, or 6 channels.

PROTON AA 1660 six-channel amplifier specifications:
  • Rated output: (20Hz ~ 20KHz) 60W @ 8 Ohm; 150W @ 8 Ohm (Bridged)
  • Total harmonic distortion: <0.05%
  • Intermodulation Distortion: <0.01%
  • Damping Factor:> 100
  • Frequency Response: (20Hz ~ 20KHz) +-0.5dB
  • Bandwidth: (total harmonic distortion < 0.1%) 10Hz ~ 50KHz
  • Input Sensitivity: 1.0Vrms
  • left and right channel separation: (@1kHz) 60dB
  • signal to noise ratio: 113dB
  • Dimensions: 42 (W) x12 (H) x39.5 (D) cm
  • Weight: 12.6 kg
  • power consumption: 700W max
I can post or Email pics of the actual item, but it basically it is in very good condition and looks like this:
Click the image to open in full size.

I'm asking $240 + shipping from 95616. Shipping weight is about 30 lbs. Local pickup OK. Guaranteed not to be DOA. Shipping to USA only.

PM and/or post reply if interested.

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Old 20th May 2011, 04:38 PM   #2
diyAudio Member
Join Date: Mar 2007
Location: California
This has been listed on Ebay:
Proton AA-1660 6-channel bridgeable amplifier - RARE | eBay

Best offers accepted!

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Old 23rd May 2011, 10:08 PM   #3
diyAudio Member
Join Date: Mar 2007
Location: California
This has now been relisted at a lower price:
Proton AA-1660 6-channel bridgeable amplifier - RARE | eBay

Lots of pics of the actual item, in excellent cosmetic and working condition, are viewable in the listing.

I also made a mistake in my first post in this thread:
THREE pairs of channels can be bridged, for 3 x 150W power.


Last edited by CharlieLaub; 23rd May 2011 at 10:11 PM.
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Old 7th June 2011, 02:35 PM   #4
666mojo is offline 666mojo  United States
diyAudio Member
Join Date: Apr 2011
Hi Charlie im in sacto seen your proton on ebay and then hear please call me id like to get amp 613 =9293 THANX.....Brent
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Old 11th June 2011, 02:40 PM   #5
diyAudio Member
Join Date: Mar 2007
Location: California
This is still available, although not currently listed on Ebay.

I'm asking for $200 plus shipping from 95616 to your zip code. Packed weight is about 35 lbs.

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