MAINTENANCE! A tube mono power amplifier that makes you hear a profound, really macintosh sound. The overhaul has regained a good sound. You can enjoy the relaxed and calming sound unique to vintage McKinne. Appearance, scratches, dullness and oxidation can be seen (Satoshi Yonejima)
Maintenance information: 2021.6.25 Maintained (AC code pairing exchange 1 x 2, vacuum tube 6550 degradation exchange 2 x 2, vacuum tube 12AX7 degradation exchange 1×2, film capacitor 0.1μF other → Replaced to oil capacitors made in USA 8 × 2 · Domestic electrolytic capacitors 10μF and others → Replaced in USA 3 × 2 · Resistors 2W and 1/2W domestic made → Made in USA 7 × 2 · HUM ADJ defective replacement 1 × 2 · Vacuum tube socket and RCA jack caulking repair ◎ 2806 side · AC stopper missing item added · Vacuum tube 5U4GB deterioration exchange · Vacuum tube 12AU7 deterioration exchange · Resistance 1/2 W defective Exchange* Other operation checked (rated output AC100-117V)
Accessories: no accessories
Main specifications: 60W load 4Ω/8Ω/16Ω Frequency characteristics 20-30,000 Hz W356 × H203 × D254mm 20.7kg