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Old 9th July 2012, 08:20 PM   #1
Autotat is offline Autotat  United Kingdom
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Default Erm, what is mine?

Hello folks, I'm going to show my ignorance now.

I have a Cambridge Audio C500 / P500 Pre/Power-Amp combination.

My question is simple, is this a Solid State amp or a Chip amp? I've try'd google but to no avail.

Once I know what type mine is, I'll know which part of the forum to post my next dumb question in.

Cheers.
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Old 9th July 2012, 08:27 PM   #2
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The P500 is a solidstate amp with darlington outputs so youre at the right place and I recall that schematics have been posted here previously. I might have service manual.
The C500 is probaly IC based as is usual from cambridge.
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Old 9th July 2012, 08:55 PM   #3
Autotat is offline Autotat  United Kingdom
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Fantastic, thanks for the quick reply.

A copy of the service manual would be very greatfuly received if at all possible.

Are darlington outputs reasonable? I've been happy with it's sound over the years so if they are a rather rudimentary product then things can only get better.

Anyway, I'd better post a new thread with my next dumb question.

Thanks again.
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Old 9th July 2012, 10:06 PM   #4
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Sorry I dont have of that particular model, I have A500. The internals are probably the same as my schematics for the amp circuit seem the same as the schematics posted here for the P500. I could send these if you like.
Darlington outputs are fine by me, there are those that frown apon it, mostly as performance with other topologies can be better, note this is performance as measured. Sanken make very good darlingtons these days, far better than yesteryear.
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Old 10th July 2012, 05:43 AM   #5
Autotat is offline Autotat  United Kingdom
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At 14 years old, mine probably are yesteryear!

The A500 service manual should be fine if that's ok, from photos I've seen it looks to be the same as my amps anyway but squeezed into one box with the one power supply.

Cheers.
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Old 10th July 2012, 05:53 AM   #6
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Drop me your email address as pm and Ill email it to you.
The particular darlingtons on that model were a little troublesome, that is if you were driving the amp hard and into 4 ohm speakers. They did tend to blow but the manufacturer has come up improved parts.
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Old 10th July 2012, 10:14 AM   #7
Autotat is offline Autotat  United Kingdom
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I can't say that I drive mine very hard, the pre-amps volume control rarely ventures above 1/4 travel and the floor standing Mission 734i Speakers are I think 8 ohm from memory.

I'll PM you my email address.

Many thanks.
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