OR-0028
Salo Oy
Salo, Finland · 1991 – c. 2004
Ser. LN-9207-0033
1992 · effect
Issued as VST3 · AU
Restored 2025 from 1992 hardware.
Salo 2110 — POTS Telephone
Salo 2110 · analog line reference · restored from unit no. LN-9207-0033 · Salo Oy, Salo, Finland, 1992
The restorer's note
The oldest voice in the house and the one everyone recognizes — narrowband, companded, a dial tone somewhere in its bones. Serial 0033: an early unit, built the year after Salo opened its doors. The µ-law companding is original; a plain equaliser would only impersonate it.
Acquisition
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The plate
Listening
Listening
Demonstration recordings, prepared at the bench.
The local line
The note reads dry for six seconds; then the line takes it — 300 Hz to 3.4 kHz, the companding crunch at its bench 60 % — and the voice arrives as a call.
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The band, closing
Low climbs from 200 to 600 Hz while High falls from 4 kHz to 2.4 kHz — the band closing on the voice from both ends — and Compand then brings the µ-law crunch from nought to full.
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On hold
The mix is sent down the line: the Dial tone opens the call, Line Noise at 70 % and Hybrid Echo at 60 % colour the passage — the music of a phone left off the hook — and the Busy signal ends it.
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