Pioneer TX-7800

FM Section

Usable Sensitivity: Mono 9.3dBf (1.6μV)

50dB Quieting Sensitivity: Mono 15.5dBf (3.3μV), Stereo 37.1dBf (39.2μV)

Signal-to-Noise Ratio (at 85dBf): Mono 83dB, Stereo 79dB

Distortion (at 85dBf)

100Hz: Mono 0.08%, Stereo 0.01%

1 kHz: Mono 0.05%, Stereo 0.08%

10 kHz: Mono 0.6%, Stereo 0.3%

Frequency Response: 20 to 15,000Hz + 0.2dB, -0.5dB

Capture Ratio: 1.0dB

Alternate Channel

Selectivity: 75dB

Spurious Response Ratio: 95dB

Image Response Ratio: 85dB

IF Response Ratio: 100dB

AM Suppression Ratio: 65dB

Muting Threshold: 19.2dBf (5.0µV)

Stereo Separation: 50dB (1kHz), 35dB (50Hz to 10kHz)

Subcarrier Product Ratio: 70dB  

Multipath Jacks: Vertical and Horizontal

De-Emphasis Switch (switchable): 25µS - 75µS

Antenna Input: 300 ohms balanced; 75 ohms unbalanced

AM Sectiom

Sensitivity: 300µV/m (IHF, ferrite antenna); 15µV (IHF, ext. antenna)

Selectivity: 15dB (Wide), 50dB (Narrow)

Signal-to-Noise Ratio: 50dB

Image Response Ratio: 45dB

IF Response Ratio: 50dB

Antenna: Ferrite loopstick antenna

Audio Section

Output Level/Impedance

Fixed (FM 100% MOD, AM 30% MOD): 650mV (FM), 220mV (AM)/4.2k ohms

Variable (FM 100%, MOD, AM 30% MOD): 0mV to 1.3V (FM), 0mV to 400mV (AM)/3.6k ohms

Semiconductors

FETs: 2

ICs: 7

Transistors: 11

Diodes: 30

Miscellaneous

Power Requirements: 220/240V, 50-60Hz

Power Consumption: 23W (UL)

Dimensions: 453x155x390 mm

Weight: 8.3 kg