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2nd June 2011, 02:22 PM
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#1 |
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Richard Murdey
diyAudio Member
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Model 0147 DIY Kit from 47 labs.
This seems new. Solid state, discrete transistor headphone amplifier kit form 47 labs. I like the styling and the old school layout. Price is quite reasonable too.
0147 Treasure Interesting aside: I had never seen this before, but it ends up very similar to my Sapphire headphone amp I built recently, with a very similar design philosophy. The output stage is kept outside of the feedback loop, and the output stage is comprised of a pair of complementary transistors on each phase of the push pull buffer. I achieved this with a diamond buffer, they did it with two "sziklai pairs" but the end result is the same and it's done for the same reason: to lower distortion by having NPN and PNP transistors in each phase of the push pull output stage. Last edited by rjm; 2nd June 2011 at 02:33 PM. |
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14th December 2011, 05:27 AM
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#2 |
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Richard Murdey
diyAudio Member
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Now updated in grey.
MODEL 0147 And a version with a USB DAC built in, MODEL 0247 Plus, check out the CD player, solid state power amp, and passive preamp ... 47 Labs Shop I'm such a sucker for grey hammertone. Yeah, I know it's a commercial link, but this new stuff from Mr. Kimura is channeling the low-rent DIY vibe big time, it deserves to be here. Last edited by rjm; 14th December 2011 at 05:31 AM. |
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14th December 2011, 11:47 AM
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#4 |
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diyAudio Member
Join Date: Nov 2002
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Some of us need english
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14th December 2011, 04:00 PM
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#6 | |
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diyAudio Member
Join Date: May 2006
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Quote:
except if snake oil is involved......
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