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IWISTAO Tube FM Tuner + 6P1 Tube Amplifier
It is a finished tube FM tuner, whose tubes have been located on the same board, so it looks compact and elegant, and it is a little different with the tube FM radio that we have post before.
IWISTAO Finished Tube FM Stereo Tuner Whole Aluminum Chassis High Sencitivity from IWISTAO HIFI AUDIO on Vimeo.
Sweat and Mellow Sound from IWISTAO Tube FM Radio Built-in 6P1 Power Amplifier
The tube FM radio used tube 6N3 as a high-level and mixing, tube 6C11 as the unit local oscillates,tube 6J4 as IF amplification together with 5pcs mid cycle inductances, and it has the advantages of high sensitivity, low noise. After stereo decoded by TA7343AP, then the signal will be amplified by tube 6N2 as a preamplifier. And power amplifier part, it used 6N2 to drive 2pcs tube 6P1 that is classic and famous application.