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Posts by mwhouston

I had a request from a Kiwi friend to make him a very compact and light headphone amp for his super expensive in ear buds and noise cancelling BOSE headphones. He travels regularly back to New Zealand to visit family and loves his music. I have made many headphone amps both portable and home based but he through down the gauntlet to build compact and light. Most off all it had to drive his phones well and sound good. The plane sound system didn't drive his phones well and...
A Kiwi friend of mine spends a lot of time on a plane. He has some expensive ear buds but found the plane's system really didn't drive them well. He asked me to make a small and light HP amp and this is the result. The enclosure is two tone ABS. I have lined it with bitumanised heavy Al foil and construction is on a prototype brd. All silver soldered and solid core copper wire for hookup.   Sounds excellent and drives my 32ohm AT Air 700s and Beyerdynamic 770 at 250ohms....
God! That's good.
Looks like a good start.
Highflying: You have me thinking.
Highflying: I developed a similar finish using a high quality house paint, a semi-dry roller and secretly, now well known, technique. Take look at my DIY, retro-thermionic blog spot (Google it).
Take a look at my genuine America Oak wood knobs on my Audio Bastard blog.
  Here I posted my 2N3055 headphone amp (Woody Pro) and said how much I enjoined it. I was forced to use it because I sold my Tubed HP amp. I bought some Beyerdynamics DT770s (250ohm) but found Woody Pro wouldn't drive it quite loud enough being an emitter follower. So I added my new Tube and Pass B1 preamp "Parley" in front of Woody. The additional gain of Parley and the nice tube warmth created a great synergy and had the 770s pumping.    I used a single stage...
Look sweet.
Very smart looking build.
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