Model PL Stereo Tube Preamplifier

DIY-K-PL

Here is a Stereo Tube Preamplifier Kit that is easy to build, and is just fun! The Tube Preamplifier utilizes a 5670 triode. The Preamplifier is compatible with all "L" Series Amplifiers, it gets its B+ and filament voltage from the Amplifier board and can provide 10 to 30 db of gain.

The PL Stereo Tube Preamplifier comes in kit form (K-PL). The kit comes complete with all the resistors, capacitors, tube, circuit board, and necessary hardware for mounting on a "bread board" provided (which is compatible with the amp you purchase or have previously purchased).

NOTE: The Preamplifier and Tone Control kits cannot be used together as they both have gain.

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  • Input Impedance = 100k ohms
  • Frequency Response = 20 to 20,000 Hz
  • Input output connections = Jumpers to Amplifier PC Board
  • Gain = 10 to 30 db - set by a resistor
  • Two channel