Macintosh MC420 4ch High-Performance Tune and Full Overhaul
ハイスペックチューン ＆フルオーバーホール マッキントッシュ MC420 4ch
Macintosh MC420 4-channel amplifier, rated 50W × 4ch. This is a used unit that has undergone comprehensive restoration and tuning. All electrolytic capacitors have been replaced with premium alternatives, and coupling capacitors upgraded to film type. Ceramic capacitors, resistors, diodes, op-amps, and RCA terminals have all been replaced. All slide switches were removed, disassembled, and serviced. All solder joints were reflowed and the circuit board cleaned. The original aluminum protective bar was missing and has been fabricated from aluminum angle stock. This is not a new unit. Seller notes it is not pristine and advises buyers seeking perfect condition to refrain from bidding. Shipping size: 100cm.
Seller grades this with scratches and dirt (傷や汚れあり). Unit is a used restoration and is not perfect; seller explicitly discourages buyers seeking pristine condition.
Ships from Fukuoka, Japan, to our Osaka warehouse and on to Pomona.
Starting Price
No bids
$810
￥128,000
The bid is in yen and the dollar figure converts at today’s rate. This is the item alone; the all-in landed price is in the quote below.
Oct 12, 2026, 3:47 AM PDT
| Item price, at the starting price | $810¥128,000 |
| Export co. commission & import tax | $267¥42,240 |
| Shipping to our Osaka warehouse | $28¥4,400 |
| Ocean Freight to California | $50 |
All-in pickup (Pomona, CA), at the starting price
U.S. domestic shipping not included
$1,156
The seller sets shipping to Osaka after the sale, so that part of the quote is confirmed before you commit.