• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

srpp

  1. meako

    Nobsound Tube Preamp

    I recently acquired this preamp from Nobsound/Douk Audio. It is based on the Marantz 7 line stage with the Shigeru Wada circuit mod. It had two 12ax7s and two 12au7s from PSVANE. Stock tubes sounded awful. It was very metallic and the bass was really weak. So, I ended up replacing the 12au7s...
    • meako
    • Thread
    • 12au7 12ax7 5814a douk nobsound shigeru wada srpp tube preamp
    • Replies: 34
    • Forum: Tube Audio
  2. My last tube preamp

    My last tube preamp

    This is my SRPP linestage preamp based on the 6SN7, the Hong Kong-built BEZ Model Q4B by Edmund Lam. With all NOS tubes: '50s RCA 6SN7GTB blackplates, gas-regulators also by RCA (1958 OC3 and a 1967 OD3), and a NIB '50s Mullard GZ30 rectifier. With nothing but a 23-step attenuator and a...
    • jt1stcav
    • Media item
    • bez linestage q4b srpp
    • Comments: 0
    • Category: Member's Tube Gear
Back
Top Bottom