Zapco Studio 54 schematics?

djQUAN · 9th October 2011, 12:36 PM

Does anyone have a schematic or a user manual for a Zapco Studio 54 amp?

I have one given to me by a collector friend (9.5/10 cosmetically) and opened it up to find leaking electrolytics inside. took em all out but haven't bought replacements yet. I was curious about how the circuit works so I hope someone has a schematic somewhere.

I also want to see the manual for complete specs of the amp as the only thing I know is what my friend told me that it puts out 4x5wrms which is tiny.

Robcrx · 9th October 2011, 02:44 PM

Quote:

Originally Posted by djQUAN

I also want to see the manual for complete specs of the amp as the only thing I know is what my friend told me that it puts out 4x5wrms which is tiny.

its actually 4x25 watts

djQUAN · 9th October 2011, 03:36 PM

yeah I figured that out when I checked the datasheet for the chip amps.

still, a schematic and manual would be nice as I'm curious about the feedback taken from the speaker terminals. Seems there is a circuit to lower distortion of the chip amps.

djQUAN · 12th October 2011, 01:51 AM

up. anyone?

Robcrx · 12th October 2011, 02:58 PM

why not call zapco - or post on the zapco.com forums ?

djQUAN · 05:33 PM

never thought about that. I just emailed technical support. I hope I get a useful answer

edit: I got a reply within minutes from tech support with the schematic diagram. no manual but it'll do. Very fast technical support!

9th October 2011, 12:36 PM	#1
djQUAN diyAudio Member Join Date: May 2004 Location: manila	Zapco Studio 54 schematics? Does anyone have a schematic or a user manual for a Zapco Studio 54 amp? I have one given to me by a collector friend (9.5/10 cosmetically) and opened it up to find leaking electrolytics inside. took em all out but haven't bought replacements yet. I was curious about how the circuit works so I hope someone has a schematic somewhere. I also want to see the manual for complete specs of the amp as the only thing I know is what my friend told me that it puts out 4x5wrms which is tiny.

12th October 2011, 05:23 PM	#6
djQUAN diyAudio Member Join Date: May 2004 Location: manila	never thought about that. I just emailed technical support. I hope I get a useful answer edit: I got a reply within minutes from tech support with the schematic diagram. no manual but it'll do. Very fast technical support! Last edited by djQUAN; 12th October 2011 at 05:33 PM.

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9th October 2011, 03:36 PM	#3
djQUAN diyAudio Member Join Date: May 2004 Location: manila	yeah I figured that out when I checked the datasheet for the chip amps. still, a schematic and manual would be nice as I'm curious about the feedback taken from the speaker terminals. Seems there is a circuit to lower distortion of the chip amps.

12th October 2011, 01:51 AM	#4
djQUAN diyAudio Member Join Date: May 2004 Location: manila	up. anyone?

12th October 2011, 02:58 PM	#5
Robcrx diyAudio Member Join Date: Feb 2009 Location: Toronto Canada	why not call zapco - or post on the zapco.com forums ?

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