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IWISTAO Tube FM Tuner + 6P1 Tube Amplifier
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posted by Vincent Zhang
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.
About this tube FM radio, it used 6N3 as a high-level and mixing, 6C11 as the unit local oscillates, IF amplification as 6J4 together with 5pcs mid cycle inductance, 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.
Its casing is made of whole aluminum metal chassis, gold with rushed oxidation treatment, and the front panel with 8mm thick aluminum plate, the others with 4mm aluminum one. On the front panel, there are dual level meters to display audio signal level, and the digital frequency meter display FM reception frequency. Electronic tube with a modern digital frequency meter that is complementing each other with nice, classical and elegant style, maybe the frequency display board of the wireless receiver is the designer's wisdom. The lower right corner of the unit has a knob to manually tune the radio. All tubes are exposed at the top plate for heat dissipation purpose, and equipped with cat eye indicator there. The whole structure of the tuner is compact, components layout had been optimized to be more reasonable.
After connected with a power amplifier and speakers, you can listen to tube taste with music sweet and mellow. Here we connected it with a tube amplifier with tubes 6P1, and HIFI 4 inches full range speakers.
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