Audio Database

TX-15
Commentary

FM/AM tuner using a vacuum tube.

The space electron tube "New Vista" is adopted for the FM tuner section.
Equipped with FM-AFC, stereo indicator, and FM sensitivity selection switch.
Box.

Model Rating
Type FM/AM Tuner
Circuit system Superheterodyne
AM/FM/MPX AM part tuned harmonic one stage amplification
FM part tuning type cascode high frequency amplification
Ratio detection
Switching FM multi-circuit
Receiving band FM : 76 MHz to 90 MHz
AM : 535 kHz to 1650 kHz
MPX Separation 35 dB or More (1 kHz)
Practical sensitivity AM : 20 μ V (input required for SN30dB, 30% modulation)
5 μ V (IHF)
FM : 2.5 μ V (input required for SN30dB, 30% modulation)
1.5 μ V (IHF)
Signal-to-noise ratio 53 dB or More (1 kHz)
Accessory circuit FM-AFC
Stereo indicator
FM sensitivity selector switch (Local, Distant)
Antenna AM : Ferrite Bar Loop Stick Antenna with External Antenna Terminal
FM : 300 Ω Unbalanced type, T-type simple FM antenna included
Used vacuum tubes, etc. 1 x 6CW4 (New Vista)
6BA6x3
6AU6x1
6BE6x1
6CG7x1
6AV6x1
6CA4x1
6RE13x1
OA81x7 (diode)
Pwer 100 VAC / 117 VAC Switching, 50Hz/60Hz
Power consumption 75W max.
External dimensions Width 390x Height 148x Depth 340 mm
Weight 8.6kg