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IWISTAO Tube FM Radio

Sep 08, 2026 | 0 comments

HA12016 FM Stereo Decoder: How It Works and What Its Spec...

PUBLISHED BY IWISTAO · FM Radio Technology Pilot-tone decoding, measured specifications, careful alignment, and a three-way comparison with LA3401 and Toshiba TA7343AP. Contents What the HA12016 does Inside the FM...

Sep 05, 2026 | 0 comments

FM Radio Tuning: Air Variable Capacitors vs. Electronic T...

September 5, 2026 · Radio Engineering How mechanical tuning, varactors, and PLL synthesis work—and what they can tell you about reception and sound. Contents What tuning changes in an FM...

Sep 22, 2025 | 0 comments

The 6P1 Vacuum Tube: A Vintage Gem for Small Power Amplif...

Published by IWISTAO In the world of vacuum tubes, certain models have achieved legendary status—think EL34, 300B, or EL84. Yet beyond these icons lies a wide range of underrated tubes...

Jul 06, 2017 | 0 comments

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.

IWISTAO Tube FM Radio Tuner Finished

Jun 21, 2017 | 0 comments

Sweat and Mellow Sound from IWISTAO Tube FM Radio Built-i...

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.

IWISTAO Tube FM Stereo Radio Built-in Power Amplifier