A Neglected 70's Beauty! Pioneer SX-450 Receiver Overhaul Transformation - Retfurb Retro Audio
44:15
Pioneer SX-434 Vintage Receiver Restoration
1:36:49
PIoneer SX 450 Repair and Restore
16:17
NAD 3020 A Amplifier Tone Control Sound Issue Fault Finding & Repair. Retfurb Retro Audio
11:09
TEST PIONEER SX 450 AUDIO GOLDEN AGE
12:36
Kenwood KR 3010
1:00:42
Sansui SC-1100 Tape Deck Restoration & Repair
9:03
Pioneer sx 450 Reseña.(equipos de audio para el hogar)
6:05