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Old 14th February 2003, 08:12 AM   #1
HKC is offline HKC  Hong Kong
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Default Pioneer M22 Power Amp Schemetic

Hello

Does anyone has the schemetic of Pioneer M22 Class A power amp to post it here?

Thanks
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Old 14th February 2003, 08:21 AM   #2
halojoy is offline halojoy  Sweden
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Default Re: Pioneer M22 Power Amp Schemetic

Quote:
Originally posted by HKC
Hello
Does anyone has the schemetic of Pioneer M22 Class A power amp to post it here?
Thanks
Have Pioneer ever made a real Class A amplifier?
They often call their Class AB amplifier for that.
How old is that Pioneer M22 ?
--------------------------------------------------------
halo Google searched: pioneer "M-22" schematic
got 20 hits:
http://www.google.com/search?num=30&...C3%B6kning&lr=

On this link there is M-22 schematic for sale:
http://www.halls.com/manuals.html

Here you can get the Service Manualhttp://www.stereomanuals.com/)
http://www.stereomanuals.com/manuals...neer_all-1.htm

/halo - surprised by a 40W Class A Pioneer Amp
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Old 14th February 2003, 08:45 AM   #3
halojoy is offline halojoy  Sweden
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Arrow Pioneer M-22 Amplifier - information

http://www.silverpioneer.com/m22_amplifier.htm

Click the image to open in full size.

shows the Pioneer M-22 Amplifier
from the "series 20"

/halo
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Old 14th February 2003, 09:08 AM   #4
HKC is offline HKC  Hong Kong
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Default Pioneer M22 Power Amp Schemetic

Hello Halojoy Thanks for giving the information.
I recall Pioneer manufactured the M22 power amp in the mid - late seventies. I am not sure is it a real Class A power amp but the heatsinks are quite hot when amp is working.
I have the M22 power amp and the C21 pre amp but both amps needed to re-store so I need the schemetic to do so.
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Old 14th February 2003, 09:12 AM   #5
halojoy is offline halojoy  Sweden
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Default Re: Pioneer M22 Power Amp Schemetic

Quote:
Originally posted by HKC
Hello Halojoy Thanks for giving the information.
I recall Pioneer manufactured the M22 power amp in the mid - late seventies. I am not sure is it a real Class A power amp but the heatsinks are quite hot when amp is working.
I have the M22 power amp and the C21 pre amp but both amps needed to re-store so I need the schemetic to do so.
I think I read 1977-79 in the site.
I think it is real Class A Amplifier.
And probably some of the best Amps Pioneer ever have done.

You can be proud to be owner of such a classic amp.
Vintage collectors like that model,
and would give you a lot of money for it.

/halo
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Old 14th February 2003, 10:31 AM   #6
HKC is offline HKC  Hong Kong
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Default Pioneer M22 Power Amp Schemetic

Halojoy

I believe most of the modern amps' sound quality are better than these two amps but I like these two amps especially the body styling of the M22 and I considered these amps were the two best amps that Pioneer have ever made that is why I want to re-store them.

Regards
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Old 17th February 2003, 07:40 AM   #7
KaLok is offline KaLok  Hong Kong
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Pls leave your mobile phone no. to my email, maybe I can help you.(I also live in HK)
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Old 17th February 2003, 10:00 AM   #8
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Default M22

Service manual are available from www.schaltungsdienst.de

Jan Didden
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Old 31st December 2003, 01:27 PM   #9
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Default Pioneer M22

is this theme still actual?
I own a Pioneer M 22 on my own. I have repaired it on my own. Since I am physicist I know what to do. If you want me to repair it, I will do it for 500Euros. If no interest let me know if I can buy the M 22 from you for 400Euros. Best regards.
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