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#1
11th July 2008, 10:57 AM
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Hi-Fi World SE Headphone Amp?
Hi All
Has anyone got any info on (or can remember anything about!) the single ended headphone amp as published many moons ago in Hi-Fi World? It was a transistor design, only a handful of parts, possibly part of a "Maximalist Preamp" series of articles?  Cheers Sparks 
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#2
12th July 2008, 03:51 PM
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Re: Hi-Fi World SE Headphone Amp?
Hi SPARKS
I not to sure but if it was the one in the hifi world Diy supp I may have it I think it was built into a black heatsink type case it’s the only one am aware of
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 The Blues man   Turntable Rega 3 custom RB250 with ortofon 2M Blue /other goldring 1042 /WD phono2 /WD CF pre custom converted /WD psu2 /home built JE Labs Single Ended 6SL7/KT66/Speakers Frugal horns Mk1s Other turntables AR EB101/Thorns TD150mk2/Thorns TD160mk2 If you have trouble reading my posts its because I am a dyslexic member
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#3
18th July 2008, 09:43 PM
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Richard Brice's Hi-Fi World SE Headphone Amp!
Aha! Found it!
In August 1994, the DIY Supplement (No.9) included a circuit by Mr Richard Brice for a Class A Headphone Amp using BD135s driven by a couple of TL072s, first postulated in Hi-Fi World April 1994. Later, in Supplement 18 (November 1995), there were a couple of suggestions and modifications to the original design sent in by readers. Can anyone tell if this is still a good sounding circuit, or if it could be made better by being "brought up to date" (using modern components?)? Would Mr Brice mind if I posted the articles on HeadWize http://headwize.com/ubb/forumdisplay.php?fnum=3 to get a broader feedback? Cheers Sparks
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#4
31st July 2008, 02:00 PM
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Re: Richard Brice's Hi-Fi World SE Headphone Amp!
Note: the articles are copywrited both by Richard Brice and Hi-Fi World, so republication without the permission of both is not allowed. Both articles are available for viewing in our DIY Archive
http://www.world-designs.co.uk/diyarchive/ As to whether it sounds good I've never heard one - but it doesn't use valves (unlike our own WDHD3S)!
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