Pioneer Spec-4 Amplifier - Part 1

Pioneer Spec-4 Amplifier - Part 1

Pioneer SPEC-4 Amplifier Troubleshooting and Repair Part 1

Zachry TM-300 - Sony TA-1120a - Pioneer SPEC-4 ( part 1 )

Vintage Audio GK

Pioneer Spec 1 and Spec 4

Pioneer SPEC setup with Diatone DS 5000. Pioneer SPEC 4 and Pioneer SPEC 1 Complete setup.

Nelusha Namudura

Pioneer Spec 1 / Spec 4 AUDIO SELECT

Audio Select Vintage

Pioneer SPEC 1 + SPEC 4

Pioneer SPEC 1 SPEC 2. The Best Stereo Amplifiers. Classic Vintage Hi-Fi Repair & Restoration In 4K.

Vintage Audio Addict

Pioneer Spec-4 Amplifier Part 2 - Power Supply and First Amplifier Board

PIONEER SPEC 1+SPEC 4 EXQUISITE SOUND

PIONEER SPEC 1 PRE amp and SPEC 4 POWER AMP 150 watts

Pioneer HPM 1500 / Pioneer Spec 1 / Spec 4 (English Sub)

Pioneer SPEC-4 - Sony TA-1120a - Philips CD-880 - JVC-5331 (part 1)

Vintage Audio GK

Vintage Pioneer SPEC-1 Control Pre-Amplifier video demo!

Pioneer SPEC-4 Stereo Power Amplifier Operational Test Video.

SSC Global Company

Pioneer SPEC-4 - Sony TA-1120A - Teac VRDS-25x - T+A Criterion TMR-160 mk2 ( part 1 )

Vintage Audio GK

Pioneer SPEC-1 & SPEC-2 Vintage Preamp/Amplifier Demo

Pioneer SPEC-1 Preamplifier & Pioneer SPEC-2 Power Amplifier (3 Line Voltage Models) SOLD

YesterYearAudio

Pioneer SPEC-4

Pioneer Spec-4 Part 3: Restoring the Amplifier Module