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Old 24th June 2002, 08:35 PM   #1
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Join Date: Oct 2001
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Question ARC Classic 60 circuit

Hi all:

I would like to find the circuit of the Classic 60! Thanks!

Any one can help?

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Old 24th June 2002, 10:13 PM   #2
PassFan is offline PassFan  United States
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Try A.G. Tannenbaum.
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Old 24th June 2002, 10:35 PM   #3
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What's the problem with your ARC classic 60??
has it become a large annual tube consumer??

Greetings,
Tube Addict
__________________
Sander
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Old 25th June 2002, 09:03 AM   #4
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Hi Passfan:

What is A.G. Tannenbaum??? Would you mind to tell me more?

Tube Addict:

No problem! Just what to keep the circuit for the reference!
I want to know how to tune the Bias!

Any suggestion for the Classic 60?

How to keep the condition well?

Thanks!
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Old 25th June 2002, 09:19 AM   #5
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There is a hole on the side of the unit which accepts a small screwdriver for tuning. You have probably not seen this hole When I was working on mine (many years ago), I was quite surprised to find this hole.

If you call up AR, they will most likely send you a service manual, especially if you can provide a serial number.

Petter
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Old 25th June 2002, 09:37 AM   #6
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Default ARC CL 60

Hatasa,

It is best to use an Oktet 6550愀 and set the current through each tube to 65 mA, thats a dissipation of 32 Watt/tube. The holes on the side are for Servo Balance Calibration (Very difficult and time eating) Can copy the Adjustment prodedure.

Reinhard
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Old 27th June 2002, 09:26 PM   #7
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Hi:

Thanks for the all reply. I would liike to know is ARC havent the e-mail address? Becoz I cant find any e-mail on their website! And I think I better to ask for the service guide from them. Also I would like to order some spare parts for the CL60 and the SP11!!! Like the know and the power switch.... easy damage man!

Ofcoz I still want to ask for the circuit who can be help!
Thanks!
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Old 29th June 2002, 03:11 PM   #8
KaLok is offline KaLok  Hong Kong
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ARC SP11你可買本德國出的schematic書,鴨記見過,CL60就. ..
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