OR-0010
Halvyn
United Kingdom · 1983 – c. 2008
Ser. 2500/A008
1990 · effect
Issued as VST3 · AU
Restored 2024 from 1990 hardware.
Halvyn X-2500 — Exciter
Halvyn X-2500 · harmonic exciter · restored from unit no. 2500/A008 · Halvyn, United Kingdom, 1990
The restorer's note
The presence-and-air box that made a source lean forward — a little manufactured brightness that reads as money. Serial A008, an early unit, restored to add its exact flavour of shine: no more, no less.
Acquisition
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The plate
Listening
Listening
Demonstration recordings, prepared at the bench.
The air, plainly
The mix, then the mix with 25 % Harmonics generated above the 3 kHz split — the air switched in at five seconds, out at eighteen for reference, and in again.
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Harmonics, from nothing
Harmonics climbs from 0 to 100 % above the 3 kHz split. Frequency then drops the split to 1 kHz — brash, into the mids — and lifts it to 8 kHz, where only the top of the mix is excited.
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The bottom, enlarged
Big Bottom at 80 % under 40 % Harmonics. Bass Freq moves the low corner from 100 to 40 to 220 Hz, then Tune sweeps the harmonic character from one end to the other.
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