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584 € ▼ est. median price 2025 based on 4 trusted listings

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Vacuum tube preamplifier using 12AX7 (ECC83) x4 and 274B (5U4G) x1 tubes. Frequency response: 10Hz-100kHz (-1/-2dB). S/N ratio: 96dB. Five RCA inputs (LINE1-5), three RCA outputs. Input sensitivity: 250mV / 100k ohm. Output impedance: 700 ohm. Four-band equalizer (150, 400, 2k, 10kHz, ±6dB). KOA high-precision carbon resistors. Remote control. Predecessor to the TRX-3 and TRX-4. Dimensions: 343x310x180mm, 11kg.

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Yahoo Auctions

[ B ]7419② TRIODE TRX-1 tube amplifier Try o-do origin box attaching 3288962 Yahoo Auctions Auction bid
¥22,660 Apr 23, 2026

Yahoo Auctions

[ B ]7420③ TRIODE TRX-1 tube amplifier Try o-do origin box attaching 3288967 Yahoo Auctions Auction bid
¥26,400 Apr 23, 2026

Audio Union

Triode TRX-1 Audio Union ¥178,000 Oct 5, 2025

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