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W-7MU.S.A

Ask 25-46948-14398-00
W-7M
Manufacture:Heathkit
Price: JPY 161,818(pair)
U.S.A
Shop: Osu shop
Arrival: 2025-09-06 20:08:58
description
The price has been reduced. 2025/9/6 sales price 198,000 yen Maintained! Tubular mono power amplifier using EL34 as output tube. The first stage uses 1 6AN8. It is an extremely high power amplifier that produces 55W with a simple configuration. In addition to volume volume, the front is equipped with a damping factor switch. The output is compatible with 4/8/16 ohms (Sasaki Shota) Maintenance information: 2025.9.6 maintained (◎ common volume knob broken replacement 1 x 2 · main volume cracked replacement 1 piece x 2 · vacuum tube socket and RCA jack re-caulking repair ◎ One side volume knob deterioration replacement 1 piece ※ Other operation checked (measured at 28 to 41 W SP: 8 Ω with rated output AC 100 to 117 V) 2021.5.22 maintained (◎ common · 150 μF defective replacement x 2 · block capacitor 200 μF deterioration replacement 2 x 2 · oil capacitor 0.1 μF other deterioration replacement x 2 · vacuum tube socket and RCA jack caulking repair · BIAS re-adjustment ◎ 1 side · SP terminal defect replacement 2 pieces · Oil capacitor 0.1 μF deterioration replacement※ Other operation checked (measured at 41 to 55 W SP: 8 Ω at rated output AC 100 to 117 V) ※ Please connect the output to the top and bottom (8 ohms up and down if it is 8 ohms). The front DAMPING FACTOR will be effective by setting it to MAX. (*The back meter section of this model is not wired) Accessories: none Main specifications: 55W output using vacuum tube EL34 x 2 6AN8 x 1 W380 x H145 x D215 mm
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