REVIEW: Darkvoice 337
Pros: An engaging, organic, highly musical sound
Cons: 6SJ7GT tubes are fussy; doesn't like low-impedance headphones
Darkvoice 337: Introduction A little background: the Darkvoice 337 uses the 6AS7G dual-triode for its power/output tube which, while definitely delivering that special touch of midrange magic that I personally only experience from tubes, it is a far less syrupy tube than many. In fact, in the better amps, it’s a gutsy, powerful, neutral, very wide range amplification device. It does have a lot of power. While somewhat prone to microphonics, the 6AS7G also has the advantage of being an inexpensive tube. Given that the starting point of a decent pair of EL84’s is $50, and a pair of something like an EL34 or 6550 is $200+, the 6AS7G has a significant advantage in being affordable, since they...
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