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a12

  1. StepheK

    Reisong A10: Technical review.

    To follow up with the work I did on the big sister amp, the Boyuurange/Reison A50, a viewer had a new in the box A12 dropped shipped for me to review and possibly modify it etc. I'm going to post this spoiler, it's a hot mess. Massive distortion was visible on an analog scope and running a...
  2. Old Guy8

    On Impulse I ordered a Boyuu Reisong A10 EL34, class A. Any experience? Add your opinion on it.

    Read some good online reviews and Amazon reviews were all positive. Ordered a Boyuu Reisong A10 (Chi-fi) integrated off Amazon. EL34b power tubes (2), auto-biasing. 6n2p (2) 5z4p (1) rectifier Single end ultra linear 6 wpc claimed 4 and 8 ohm taps. Two sets RCAs With these optional upgrades...
    • Old Guy8
    • Thread
    • a10 a12 boyuu boyuu a10 reisong reisong a10 reisong a12
    • Replies: 616
    • Forum: Tube Audio
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