PIONEER TX-8800

Technic details

Specifications

Type:	AM / FM Stereo Tuner
[FM tuner section]	Circuit method: FET RF 1 step, 4-unit variable condenser, 5-step limiter, quadrature detection, PLL MPX Practical sensitivity: Mono - 4μV (S / N 50dB) / 1.9μV (IHF) Stereo - 50μV (S / N 50dB) S / N ratio: Mono - 73dB Stereo - 68dB

[FM tuner section, continued]	Harmonic distortion (Mono): 0.2% (100Hz) 0.2% (1kHz) 0.2% (10kHz) Harmonic distortion (Stereo): 0.3% (100Hz) 0.3% (1kHz) 0.6% (10kHz) Capture ratio: 1dB Effective selectivity: 80dB (400kHz) Separation: 40dB or more (1kHz) 35dB or more (50Hz to 10kHz) Frequency characteristics: 50Hz to 10kHz, +0.2 -0.5dB 20Hz to 15kHz, +0.2 -2dB Image interference ratio: 85dB or more IF interference ratio: 90dB or more Spurious interference ratio: 90dB or more AM suppression ratio: 55dB Carrier leak suppression ratio: 65dB Muting operation level: 2.2μV Antennas: 300Ω (Balanced type) 75Ω (Unbalanced type)
[AM tuner section]	Circuit system: Non-tuning RF 1 stage 2 series variable condenser Practical sensitivity: 300μV / m (Bar antenna) 15μV (IHF) Selectivity: 35 dB S/N ratio: 50dB Image interference ratio: 40dB or more IF interference ratio: 55dB or more
[Output level / impedance]	Fixed: 650mV / 5kΩ Variable: 50mV to 1.5V / 2.5kΩ 4ch MPX: 250mV / 5kΩ
Semiconductors used:	Transistors x 16 pieces FET's x 1 piece IC's x 3 pieces Diodes x 8 pieces
AC outlets:	Power switch non-interlocking x 1 line