OR-0014
Tekura
Oregon, USA · 1979 – c. 2001
Ser. Type 1601 · Ser. No. 00092-A
1992 · effect
Issued as VST3 · AU
Restored 2024 from 1992 hardware.
Tekura 1601 — Jitter Reference
Tekura Type 1601 · Jitter Reference · restored from Ser. No. 00092-A · Tekura, Oregon, USA, 1992
The restorer's note
A device for adding clock jitter in exact, calibrated amounts — which, as an effect, is a subtle frequency-dependent shimmer no other tool quite makes. Serial 00092: very early, very low. The sidebands scale with pitch, exactly as the instrument intended.
Acquisition
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The plate
Listening
Listening
Demonstration recordings, prepared at the bench.
The calibrated wander
The pad runs dry for five seconds, then the bench calibration: Amount at 20 %, Random at 60, Periodic at 40, Rate at 400 Hz. A fine unsteadiness in the top of the chord — more felt than heard, which is the point of a reference.
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Sidebands on schedule
Amount rises from 0 to 100 % over calibrated tones, then Rate walks from 1 Hz to 5 kHz. The sidebands step away from each tone as the periodic component climbs — exactly where the arithmetic says they should be.
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Random against periodic
Amount held at 70 %. The first half is Random alone — a broadband smear across the chord; at twelve seconds Periodic takes over and the smear resolves into discrete sidebands at the Rate. Interp moves to Thiran for the close.
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