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MA230U.S.A

Manufacture:McIntosh
Price: JPY 316,364 Sold Out
25-47488-18329-00
U.S.A 1964 made
Arrival: 2025-09-14 20:02:02
Refreshment maintenance was completed in 2025/4 and 2024/3, and all switch contacts were polished, etc. A rare Mclntosh tubular premain amplifier. Even with the same Mackin, they are a bit different from transistor amplifiers, and the thick, glossy sound is just like the American sound of the 60s. This is a superb item that you would like to pair with vintage speakers. There are no visible scratches on the exterior, etc., and it can be said that it is good when viewed from that age (Kobayashi Hitoshi) Maintenance information: 2025.4.10 Maintenance completed (all SW/VR front panels removed, disassembly contacts polished. Input/output check, sound output test) 2024.3.13 maintained (fuse defect replacement/each switch and selector contact defect repair/8 electrolytic capacitors 100μF and other defects and deterioration replacements/2 block capacitors 40μF x 3 other deterioration replacement/vacuum tube 7591 deterioration replacement/BIAS and AC BAL. readjustment · vacuum tube socket and RCA jack caulk repair *Other operation checks have been performed (measured at 23 to 36 W SP: 8 ohms with rated output AC100 to 117 V) *2 block capacitors have been replaced with MEPCO products by other companies) Accessories: none Main specifications: output 30W x 2 (4/8/16Ω) vacuum tube 7591 x 4, 12AU7 x 2, 12AX7 x 1 RCA3 system Phono (MM) 2 system SP terminal 1 system W407 x H138 x D302 mm 19.5 kg
　　
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