AudioChainsDB
Solid State Logic

SiX CH

intermediate

$595

Used market: $490*

Manufacturer datasheet

Specifications

3 of 8 values have a recorded source
Type
outboard_preamp·
Added Gain dB
72
Input Connector
500-series edge connector (XLR mic via rack) + front-panel 1/4" TRS Line with 1 MΩ Hi-Z switch·
Output Connector
500-series edge connector·
Expert Description
En: A 500-series module carrying the channel strip of the SiX desk: the SuperAnalogue mic pre with +6 to +72 dB of gain (-3 to +63 dB on line), a switched 12 dB/octave 75 Hz high-pass, the one-knob feed-forward compressor with automatic make-up gain, two-band EQ and a five-segment meter calibrated in dBu. · Uk: Модуль формату 500, що несе канальну смугу пульта SiX: преамп SuperAnalogue із підсиленням від +6 до +72 дБ (від -3 до +63 дБ на лінійному вході), перемикний фільтр 12 дБ/октаву на 75 Гц, однокнопковий компресор прямого ходу з автоматичним доведенням рівня, двосмуговий еквалайзер і п'ятисегментний індикатор у dBu.·
Provides Phantom Power
yes
Requires Phantom Power
no
Updated At
2026-08-05T22:03:05.182Z·

Expert Audio Engineering Commentary

Gain Staging Advice

The minimum mic gain is +6 dB, not 0: this module cannot be used as a straight wire on a hot source. That is what the front-panel line input with the 1 MΩ switch is for, and its range starts at -3 dB.

Production Warning

A 500-series module draws its power from the rack, not from phantom. What it supplies to the microphone is +48 V from the rack's own rails, so a weak or overloaded rack shows up as a phantom problem at the capsule.

What the datasheet actually says

Quoted verbatim from the manufacturer’s own page, with the date we checked it. We state what is printed, not what anyone intended by it.

Unit not stated
«Mic Pre EIN: Typically 129dB»

Equivalent input noise is a level, always negative and always referred to a stated reference — normally dBu with a 150 Ω source. Printed as a bare positive "129dB" it names neither the sign nor the reference nor the source impedance, and cannot be compared with a competitor's "-128 dBu, 150 Ω" without assuming all three. The same page does state the reference for other figures, so the omission is specific to this row.

checked 8/5/2026

* Estimated with the depreciation fallback (~82% retained value). · checked on 8/5/2026