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Gyraf Audio

Gyraf Audio G14-S (Gyratec XIV)

Passive stereo EQ, dual-technology (tube/solid-state) makeup gain

Equalizer

Price not published

Specifications

Type
Equalizer
Description
Passive stereo EQ, dual-technology (tube/solid-state) makeup gain
Topology
passive LC filter network with selectable tube (6H23n/E88CC/6922, transformer-balanced) or solid-state (opamp, active servo-balanced) makeup-gain stage
Signal path
Analog
Channels
2
Channel format
stereo, linked controls
Form factor
19" rack
Powered
true
Impedance (Ω)
Tube mode: 5k in / 1k out; SS mode: 24k in / 100 out
Introduced
September 2020
Country of manufacture
Denmark

Details

Controls: 5 EQ bands (Low 35-270Hz, Low-Mid 180-750Hz, Mid 500Hz-2.1kHz, High-Mid 950Hz-6.3kHz, High 4.5-22kHz), each with 11 switchable frequencies, continuously variable Q, per-band boost/bypass/cut, output TRIM, hard relay bypass, IN/S mode switch (tube vs solid-state)

I/O: Balanced I/O; tube mode ~5k ohm in / ~1k ohm out, solid-state mode 24k ohm in / ~100 ohm out

Notes: FINISHED product (current line), the Pultec-style paralleled tuned inductor/capacitor passive EQ referenced by the research brief; full legacy name 'Gyratec XIV'. A DIY version is documented separately on gyraf.dk/diy and excluded (out of scope) — only this manufactured G14-S unit is listed. Dual-topology design: user selects tube ('IN') or solid-state ('S') gain-recovery stage via switch — flagged as a notable judgment call since it is effectively two circuit topologies in one chassis; topology field lists both. Max boost/cut ~10-12dB, trim +3/-5dB, channel tracking <1dB. digital_control inferred 'false'. No USD price published (dealer/distributor quote model). Rack height and frequency response not published.

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