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Technics SU-40A Tube Power Amplifier. Serviced!
  1. Technics SU-40A Manufacture, Verifications and Dimensions

The Technics SU‑40A is a Japan‑built tube power amplifier manufactured between 1968 and 1972, with fully verified dimensions of 360 × 150 × 330 mm and a weight of 14.8 kg. All details below are grounded directly in authoritative sources.

Manufacture Verification

  • Manufacturer — National Panasonic / Technics (Japan)

  • Production years — 1968–1972

  • Country of origin — Japan

The SU‑40A is part of Technics’ early high‑end tube lineup (SU‑20A / SU‑30A / SU‑40A / SU‑50A).

Verified Dimensions & Weight

All major sources agree on the same physical specifications:

  • Width — 360 mm

  • Height — 150 mm

  • Depth — 330 mm

  • Weight — 14.8 kg

These values are confirmed by HiFi‑Wiki, HiFi Engine, Audio‑Database, and Radiomuseum.

Technical Verification

  • Type — Tube stereo power amplifier

  • Rated output —

    • 25 W + 25 W (16 Ω)

    • 24 W + 24 W (8 Ω)

    • 22 W + 22 W (4 Ω)

  • Frequency response — 4 Hz – 50 kHz

  • Tubes —

    • 2 × 6267

    • 2 × 12AT7

    • 4 × 50HB26

  • Special features — Continuously variable damping factor, low‑cut filter, speaker impedance selector

Summary Table

Warranty Information

  • 30 days warranty standard applies to all on-sale products! Contact us for the extended package!
  • Please do not attempt to open/disassemble the goods regards to any reason to ensure the process and your safety without our instruction, or the warranty/support will be voided.
  • Please contact us ASAP within 30 days as any warranty/support policy time-frame will be applied once the item is marked as DELIVERED on the used carrier's site, otherwise we won't accept any reason to extend the warranty or solve any matter related to the unit.

Shipping Information

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