[Rogers Gomez] has posted up this hybrid tube based headphone amplifier over at DIY Audio. Being a fan of tube amplifiers, but wanting something with lower voltage and lower cost, he put together this little system out of spare parts he had lying around. He wanted it to have as few parts as possible and be able to power his 32 ohm Grado headphones.He states that he'd built several YAHA amps, and a … [Read more...]
Tube amp monitor
June 23, 2008 By 5 Comments
Sparkfun contributor [Pete] really loves tube amps, but he's a very safety-conscious guy who doesn't like being electrocuted. This is a problem, since tube amps are usually very high voltage, and a small mistake can be fatal. To deal with this voltage issue, he built a tube amp with a control system built around a 6DOF v3 controller board. The control system is there mainly in case of a failure, … [Read more...]
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