UREI 565-T
Four tunable active filters - the tool that saved problem tracks before digital repair existed.
Overview
The UREI 565-T is a filter set, not an equalizer in the conventional sense. It houses four separate, continuously tunable active filters in a single self-contained chassis: a low cutoff, two band-reject filters, and a high cutoff. It was built for recording studios that needed to rescue problem tracks rather than sculpt finished mixes.
The low cutoff filter is one of two continuously variable end filters covering the 20 Hz to 20 kHz range. Those two alone would make a useful band-limiting tool. The real work happens in the two notch/pass filters, each continuously tunable across the full 20 Hz to 20 kHz range.
A narrow notch is surgical. It can pull out a steady 60 Hz hum or a resonant ring without touching the surrounding program material. A wider notch is blunt, useful when you want to carve out a broader band.
Modern Recording (August 1985, p.46) listed the 565-T, nicknamed "Little piper", at $1196. It described the unit as two continuously variable end filters and two continuously variable notch filters, all covering the 20 Hz to 20 kHz range. That put it firmly in professional territory. The same listing showed the UREI 539 room equalization filter set at $1046 and the UREI 537 one-third octave graphic EQ alongside it.
It is useful for restoration work on tape transfers, or for salvaging a recording with a persistent hum or resonance. The controls interact, and the tuning is manual.
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