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Chip Amps Amplifiers based on integrated circuits

DNM style
DNM style
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Old 29th December 2006, 09:56 PM   #1
urxle is offline urxle  United Kingdom
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Default DNM style

Has anyone out there, ahem, emulated a DNM PA1 power amp? (or even the newer one)
Much as I like my GCs, I can't get enough of my PA1 but would like to find a diy project that can equal / approach what it can do.
Having forked out much for it I'm wary of interfering with it but there must be some brave soul who has opened and mapped theirs?
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Old 30th December 2006, 11:59 PM   #2
Panelhead is offline Panelhead
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Default Try Solid State Forum

The circuitry of the DNM units looks simple enough. Someone must have "cloned" one.
The BEL amp is the one I would like to clone myself. They are extremely simple circuits. Shows what you can get by spending years with a circuit.

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Old 31st December 2006, 08:12 AM   #3
analog_sa is offline analog_sa  Europe
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Default Re: DNM style

Originally posted by urxle
I can't get enough of my PA1

I've always liked DNM amps and preamps. Are you brave enough to open it and take hi-res pics? Cloning should not be too difficult.
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Old 31st December 2006, 09:07 AM   #4
NATDBERG is offline NATDBERG  United Kingdom
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I bought a PA1 off ebay early this year and it amazed me! So much so that I sold it ... and put down a deposit for a pair of 2nd hand PA2s I found (basically bridged PA1s with different power supplies). I'm normally too tight to spend much money, so it shows how good it was.

When I get them, hopefully soon but maybe not for a whiile, I'll take some photos of the insides to compare - thinking about it, I still have photos of the insides of my PA1 from when i sold it..

From what I've read, much of the cost of dnm designs is payment for the research and ideas with actual material costs quite low. Perfect reasons for cloning.

I'm not much of a DIYer to be honest (more of a paint-by-numbers fixer) but I'd love to see someone elsemake one of these for a fraction of their cost, simply because they sound so good.

Does anyone out there have a 6000 PA3S to open up?
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Old 10th January 2007, 07:25 PM   #5
urxle is offline urxle  United Kingdom
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Default DNM styley

Hi fellas and ta for replies. I've had a run of bad events with electronic devices (tho hopefully my current 3 are up) hence I'm a bit neurotic re accidentally knacking it but I may well get there soon.
'Scuse my ignorance but I haven't come across a BEL amp yet, what is / where is it found please?
Also I haven't come across PA2's - could you mean PA3's?
I have seen them on the site but know nothing of their construction though there are apparent similarities with PA1.
All have me drooling, prospect of remotely effective clone makes my back arch and fur begin to show, so say someone got pics good enough to draw from, then what?

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