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Can Jam 2010 (2010 International Head-Fi Meet) & The Most Recent Sponsored Threads

Can Jam 2010 (2010 International Head-Fi Meet) In Chicago, Illinois, June 5-6, 2010!





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Van Waarde single-ended OTL custom headphone amplifier
The amp is powered by an external ps which is a rectangular black box a bit bigger than the amp. The amp is based on a circuit typology designed by Aren van Waarde, it was built by a german specialist with high quality components (alps poti, mkp capacitors).

The chinese Darkvoice 336 is a half clone of van Waarde's circuit, it shares its basic typology but adjusts the power supply by minimizing it, among other sacrifices.

This are the specs from van Waarde himself:
• Extreme simplicity (only 2 double triodes required for stereo).
• Capable of driving low impedance headphones
• Amplifier stages directly coupled
• No global negative feedback
• Single-ended topology

The first stage uses one-half of a E88CC (6922/6DJ8/ECC88) in a common cathode configuration. This is directly coupled to a cathode follower which employs one-half of a 6AS7G.
Afbeelding 175
Afbeelding 174
Afbeelding 164
Afbeelding 165
Afbeelding 173
vw2
vw5
vw4
vw3
vw1

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