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preamplifier

  1. avanti1960

    Integrated Tube Amp- Tube Types and Positions vs. Impact on Sound

    Hi, I just got a new tube integrated amplifier and have some questions about the types of tubes in the various positions on the amplifier- 2X 12AT7 (phase inverter) 2X 12AT7 (preamp stage) 2X 12AU7 (first stage power amp) 4X 6L6GC (power tubes) If I wanted to tube roll, which positions would...
    • avanti1960
    • Thread
    • amplifier positions preamplifier tube tube roll
    • Replies: 3
    • Forum: Tube Audio
  2. A

    Silent Night >>>>>>>>>>>>>>>>

    (Newbie) What NEW Preamplifier Transistors with an extremely Low Noise and High Gain are superior to the following: 2SC2362 or 2SC1845 or KTC2240?
    • acvegas
    • Thread
    • amp amplifier audio low noise preamplifier transistor
    • Replies: 1
    • Forum: Solid State
  3. T

    Nikko Beta 50 - missing capacitor - can anyone help

    Hello , I was hoping someone here may have access to a nikko beta 50 preamplifier. I have not been able to find a schematic anywhere for this unit. And the previous owner had removed some parts to replace and never finished the project. I need to know which capacitors c806 and c817 were. They...
    • Trebolo
    • Thread
    • capacitor help nikko preamplifier schematic
    • Replies: 2
    • Forum: Solid State
  4. davstev

    Kenwood 700M + what preamp?

    With the help and generosity from some savvy AK'ers, I recently overhauled a 700M. I've considered acquiring the preamp mate to the 700M- the 700C. It's pricey and rare, and definitely looks great beside the 700M. But I ask myself what the 700C would bring to the table that other fine preamps...
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