Stax
Explore Stax vintage audio equipment in the Vintage Technology Archive.
Models
Unknown
- 12S — Little-documented Stax SRA-12S preamp from the mid-1970s — an all-FET design that drove Stax electrostatic headphones directly. Priced at $500.
- 80M — Stax DA-80M mono Class A amplifier, 90W RMS, advertised as an ultimate subwoofer amp in late-'70s Stax print ads. Thin documentation.
- DA-300 — Stax DA-300 Class A power amplifier, c. 1975–1980. 150W/ch RMS, later DA-300(a) revision. Known mainly through Stax's own advertising.
- DA-80 — The Stax DA-80, a late-1970s Class A amplifier from Stax's improved Class A line. Little is documented; the record is ads plus one 1978 Audio listing.
- DA-80M — Stax DA-80M: a little-documented class-A monoblock amplifier. Period ads rate it at 90 watts RMS mono; for subwoofer duty.
- SR-34 — Stax SR-34 electret earspeaker system — 25–20,000 Hz ±2 dB, 8 ohms, 95 dB SPL, sold with energizing adapter. The affordable way into Stax.
- SRA-125 — The Stax SRA-125: an all-FET, linear-coupled preamp from 1975 that drove Stax electrostatic headphones directly, priced at $500. Little else documented.
- SRA-12S — Stax SRA-12S: 1970s all-FET preamp that drove Stax electrostatic headphones and a two-channel amp simultaneously. $500 US; documentation is thin.
- SRM-001 — Stax SRM-001 — the elusive energizer half of the SR-001 MK2 portable electrostatic system. Thin documentation, sold as a bundle with the S-001 MK II.