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Pioneer Model TX-7800 Tuner

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Front View
EBay Auction #278920516
Date: 3/14/2000

Additional Front View
EBay Auction #278920516
Date: 3/14/2000

DescriptionAM FM Tuner
Designed inJapan
Manufactured InJapan
IC Count7
FET Count2
Transistor Count11
Diode Count30
AC SwitchYes
Unswitched AC Outletsone, 200 watts max

FM Tuner
RF Sensitivity1.6 uV
300 Ohm Binding PostsYes
75 Ohm Binding PostsYes
50 dB quieting sensitivity, Stereo39.2 uV
50 dB quieting sensitivity, Mono3.3 uV
THD, Mono.08%
THD, Stereo.3%
Signal to Noise Ratio, Mono83 dB @ 65 dBF
Signal to Noise Ratio, Stereo79 dB @ 65 dBF
Frequency Response20 Hz to 15 kHz +.2/-.5 dB
Capture Ratio1.0 dB
IF Image Rejection85 dB
IF Rejection100 dB
Stereo Subcarrier Rejection70 dB
Alternate Channel Selectivity (wide or normal)75 dB
Spurious Rejection95 dB
Stereo Separation at 1 kHz50 dB
Mono SwitchYes
Signal Strength MeterYes
Center Tuning MeterYes
Multiplex Filter (Hi-Blend)Yes
Quartz Frequency LockYes
Stereo LampYes
Muting SwitchYes, fixed at 5 uV
Output Level AdjustmentYes
25 uS Deemphasis Switch (Dolby Associated)Yes
Station MarkersYes
Oscilloscope X-Y OutputsYes

AM Tuner
RF Sensitivity300 uV/meter and 15 uV external
Alternate Channel Selectivity15 db wide, 50 dB narrow
IF Rejection50 dB
Image Rejection45 dB
Signal to Noise Ratio50 dB
Signal Strength MeteringYes
External Ferrite AntennaYes
Antenna binding PostsYes

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