Pioneer Stereo Tuner TX-470L
från 1980.
Analog Kvalitetstuner
Number of Transistors
Semiconductors present.
Semiconductors
Main principleSuperheterodyne (common
)Wave bandsBroadcast, Long Wave and FM or UHF
.Power type and voltageAlternating Current supply (AC) / 220; 240 Volt
Loudspeaker- For headphones or amp
.MaterialMetal caseModel: Stereo Tuner TX-410L - Pioneer Corporation; Tokyo
ShapeBook-shelf unit.
Dimensions (WHD)420 x 98 x 254 mm / 16.5 x 3.9 x 10 inch
NotesA hi-fi 3 band AM/FM stereo tuner with an analogue dial. With AM Signal Strength and FM Tuning meters, FM Stereo indicator, switches for band (MW/LW), Function (FM/AM) and Muting (On/Off), an internal AM ferrite rod aerial, terminals for AM and FM antennae and Ground and a Line Output interconnect cable with RCA phono plugs.

Specification FM Tuner Section Usable Sensitivity10.8dBf (1.9µV)50dB Quieting SensitivityMONO 17.3dBf (4.0µV)
STEREO 39.2dBf (50µV)Signal-to-Noise Ratio (at 65dBf)MONO 75dB
STEREO 70dBDistortion (at 65dBf)MONO 1kHz; 0.1%
STEREO 1kHz; 0.2%Capture Ratio1.0dBAlternate Channel Selectivity 400kHz60dBStereo Separation 1kHz40dBFrequency Response30Hz-15kHz +0.5dB,-1dBSpurious Response Ratio70dBImage Response Ratio55dBIF Response Ratio80dBAM Suppression Ratio50dBMuting Threshold19.2dBf (5µV)Antenna Input300? balanced, 75? unbalancedAM Tuner Section Sensitivity MWIHF ferrite antenna 300µV/m
IHF external antenna 30µV LWIHF ferrite antenna 450µV/m
IHF external antenna 45µVSelectivity25dBSignal-to-Noise Ratio50dBImage Response Ratio40dBIF Response Ratio70dBAntennaFerrite loopstick antennaAudio Section Output Level/ImpedanceFM (100% MOD) 650mV/3.6?
AM (30% MOD) 150mV