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Tempofoon TFT-400 AM/FM tuner (construction)
Generously build FM stereo tuner with excellent performance made by "Comet Electro", "Cometro" Japan.
Also sold under the brandname "Vendomatic" and other names.
The tuner has a much better IF section with a high-quality, low distortion IF Murata ceramic filter.
With two, at the time ultra modern, Toshiba IF-ICs for low noise.
Vendomatic version with different cabinets ^
Click here to download the service manual PDF format
FM front-end with 3 gang var.capacitor one 1st stage FET and 2x VHF transistors 1 amp, 1 osc. ^
FM + IF + Multiplex + PS + final-Audio ^
FM IF stage at 10.7 MHz, with 2x TA7061 Toshiba IF-IC and the Murata ceramic filter. ^
Comet FM-IF pcb solderside ^
Comet FM front-end pcb ^
Many electrolytic caps can be exchanged when out of specs. Lamps can be exchanged for LEDs.
Some AC lamp-wiring can be twisted.
AM section ^
Power supply ^
This tuner sounds excellent.
Matching Tempofoon amplifier ^
© PE1MMK Hans Hilberink, last update: 15-07-2021.