OR-0019
Tekura
Oregon, USA · 1979 – c. 2001
Ser. Type 6200 · Ser. No. 00147-A
1996 · effect
Issued as VST3 · AU
Restored 2025 from 1996 hardware.
Tekura 6200 — Correlation Analyzer
Tekura Type 6200 · Correlation Analyzer · restored from Ser. No. 00147-A · Tekura, Oregon, USA, 1996
The restorer's note
The goniometer and phase meter that told an engineer whether a mix would survive mono. Restored with its stereo tools intact — width, fold-down, rotation — and not one of them flattering. Tekura did not do flattering.
Acquisition
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The plate
Listening
Listening
Demonstration recordings, prepared at the bench.
One-sixty wide
The pad runs dry for five seconds, then through the M/S matrix at Width 160 % — pushed past unity, the sides carrying more than they were given. Nothing is corrected; the device does only what it is told.
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Zero to two hundred
Width falls to mono by nine seconds, then opens to 200 % by eighteen. Rotate swings the field to +45° and snaps to −45° at the close — a line, a cloud, and a tilt, in that order.
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The mono audition
Mono Below sums the low end under 300 Hz at six seconds. Fold auditions the whole mix in mono from twelve to eighteen. Display switches to Correlation at the end — a change of reading, not of signal.
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