No Image
AmplifiersStereo ReceiversDiscontinued
Estimated price (community-sourced)
$450
Around — community and catalog average, updates slowly
About the SX-727
The Pioneer SX-727 is a vintage AM/FM stereo receiver manufactured from 1972 to 1974. Its amplifier is rated at 37 watts per channel into 8-ohm loads in stereo, with a stated total harmonic distortion of 0.5%. It includes two phono inputs, microphone and auxiliary inputs, two tape-monitor circuits, pre-out/main-in connections, headphone output, and switching for up to three pairs of speakers. The tuner receives FM and medium-wave (AM) broadcasts.
Specifications
Type: AM/FM stereo receiver
Amplifier output: 37 W per channel into 8 Ω, stereo
Dynamic power: up to 195 W into 4 Ω
Total harmonic distortion: 0.5%
Frequency response: 7 Hz–80 kHz
Damping factor: 40
Tuner bands: FM, MW (AM)
Input sensitivity: 3 mV (MM phono); 2.7 mV (microphone); 200 mV (line/DIN)
Signal-to-noise ratio: 85 dB (phono); 95 dB (line)
Speaker load impedance: 4–16 Ω
Connections/features: two phono inputs, microphone input, auxiliary input, two tape-monitor circuits, pre-out/main-in, headphone output, three speaker pairs
Dimensions: 485 × 150 × 390 mm
Weight: 14 kg