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Adcom 555II - Nelson Pass ?
Adcom 555II - Nelson Pass ?
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Old 29th September 2002, 06:31 PM   #11
1/137 is offline 1/137
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Default Schematic for Adcom 565

I have one dead adcom 565 and would like to try to repair it. Does anyone have or know of a source for the schematic for this amplifier?

thank you,
rt
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Old 29th September 2002, 06:36 PM   #12
Peter Daniel is offline Peter Daniel  Canada
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Must be your lucky day since I have the service manual for that amp. Do you want me to e-mail it to you now or send the copies together with A75 boards?
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Old 30th September 2002, 01:44 AM   #13
KaLok is offline KaLok  United States
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I'm interest coz I have this machine, could you email service manual to me? thanks a lot!

email:chan_kalok@sinaman.com
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Old 30th September 2002, 02:04 AM   #14
Peter Daniel is offline Peter Daniel  Canada
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How many output devices your machine has?
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Old 30th September 2002, 06:30 AM   #15
KaLok is offline KaLok  United States
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I need to go home tonight and open it to count.
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Old 30th September 2002, 10:52 AM   #16
1/137 is offline 1/137
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Default Output Transistors 565 & 555 + 555II

Peter,
Looks like my 565 has 4 banks of 5 TO3's...the 555 & 555 II have 4 banks of 4.

rt
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Old 30th September 2002, 11:05 AM   #17
1/137 is offline 1/137
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Default Schematic for 555 II

Does anyone have this schematic....for the 555 II. I have a pair of 565's....one 555 and one 555 II and am trying to find schematics for each. I now have the 555 and 565 circuits and am just looking for the 555 II.

thank you,
rt
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Old 30th September 2002, 12:56 PM   #18
Jared is offline Jared
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you can run these amps to 4 ohm mono, for 800 watts, right?
I have one bridged as a sub amp, and saw the power spec into 2 ohm mono one time online, but it was not from a verifiable source.
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Old 30th September 2002, 03:46 PM   #19
KaLok is offline KaLok  United States
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4 pairs toshiba TO-3 per channel
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Old 30th September 2002, 05:18 PM   #20
thylantyr is offline thylantyr  United States
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During listening tests, I ran my 555II bridged @ 1ohm running 8
paralleled ribbon tweeters in a line array. No sweat! hehe
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