Vintage Pioneer SX-450 // Solid-State Receiver

The Pioneer SX-450 is a testament to the timeless appeal of classic audio gear. With its vintage charm and woodgrain finish, it exudes an air of nostalgia. Beyond its stylish exterior, it boasts a warm and resonant sound that transports you back to the golden age of audio. The Pioneer SX-450 is a piece of audio history that not only complements your decor but also brings a touch of vintage magic to your listening experience.

RESTORATIONS

• Full 30-point service check
• Replaced lamps with LEDs
• Resoldered
• Cleaned controls, switches, and chassis

SPECS

Type   Solid state stereo receiver

Tuning range   AM/FM

Power output   15 watts per channel into 8Ω (stereo)

Frequency response   20Hz to 60kHz

Total harmonic distortion   0.5%

Damping factor   25

Input sensitivity   7.5mV (mic), 2.5mV (MM), 150mV (line)

Signal to noise ratio   70dB (MM), 90dB (line)

Output   150mV (line), 30mV (DIN)

Speaker load impedance   4Ω (minimum)

Semiconductors   1x FET, 3x IC, 28x transistors, 15x diodes

Dimensions   17.64"W x 5.55"H x 12.09"D

Weight   19 lbs.

LINER NOTES

The Pioneer SX-450 is a 15 watt FM/MW stereo receiver featuring FM muting, tape monitor switch and provision for 2 pairs of speakers. The unit employs a direct-coupled OCL circuit in the power amplifier with a first-stage differential amplifier.High FM sensitivity is ensured by a low noise FET in the front end with a frequency linear 3-gang variable capacitor.