Harman Kardon A402 restoration (Ep. 1)

Harman Kardon A 402 Amplifier - Repairs Part 1 (Ep. 111)

Harman Kardon PM665 Часть 3 — Усилитель и блок питания

Harman Kardon PM640 - eBay Junk - Repair & Torture Test (Ep. 9)

1980 HARMAN KARDON HK 725 Preamplifier HK 770 Twin Toroidal Power DC Amp

High End McIntosh C29 Preamplifier Repair!

Harman Kardon A402 Back to the workbench for warranty work (Ep. 30)

Harman Kardon 730 Receiver - Restoration (Ep. 113)

One of the most under rated and rarest amplifiers ever sold.

Harman Kardon Citation 19 - Repairs (Ep. 47)

BEAST TUBE POWER AMPLIFIER Unboxing & Review - Brooks Berdan Ltd.

HARMAN KARDON A-402 & HARMAN KARDON T-403 high fidelity set U.S.A. -TEST-

DIRTY MONSTER VINTAGE SHARP OPTONICA RECEIVER AMPLIFIER CLEANING HIFI AUDIO STEREO SOUND MUSIC JAPAN

Harman Kardon HK 450 Receiver - Restoration & Cleanup (Ep. 140)

Reparatie harman/kardon BDS270 van de heer Sanders.

PIoneer SX-939 Part 1: Restoring the power supply and protect circuit

Harman Kardon The Award Series A 300

You don't have to spend crazy money on a vintage receiver. Harman Kardon 430!

Restoration SONY TA - 150 Integrated Amplifier // Restore Antique AMP

Become A Super Electronics Troubleshooter!

JVC JA-S71 Integrated Amplifier Repairs - (Ep. 164)