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FAIRCHILD  |  SKU: 21007

Model 670

Tube Compressors

Dual mono/stereo tube compressor with six selectable time constants, threshold, compression, and makeup gain controls

$48,500.00 CAD
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Description

The FAIRCHILD 670 has a reputation as one of the most versatile and best sounding compressors ever made. Having been used on countless hit recordings over the years, the FAIRCHILD 670 remains one of the most sought after pieces of studio recording gear throughout the world. Its unique combination of tube driven amplification and gain reduction makes the FAIRCHILD 670 capable of a wide range of compression effects, from subtle and transparent to heavy and pumping. We are proud to announce this faithful and meticulous recreation of the original FAIRCHILD 670, The legend reborn.

Applications: Vocals Drums Bass Guitars Strings Piano Brass Orchestral instruments Mix bus/mastering

Features

Dual mono/stereo operation

Six selectable time constants

Threshold, compression, and makeup gain controls

VU metering

Hand-wired point-to-point construction

Custom-designed transformers

Tube-driven amplification

Specifications

INPUT AND OUTPUT IMPEDANCE: 600 Ω
RANGE OF INPUT LEVEL: 0 dBm to +16 dBm
OUTPUT LEVEL: +4 or +8 dBVU (+27 dBm clipping point)
GAIN: +7dB
FREQUENCY RESPONSE: 40 cycles to 15 kc +/- 1dB
NOISE LEVEL: 70 dB below +4 dBm
LIMITING NOISES: Below audibility
INTERMODULATION DISTORTION: Less than 1% at any level up to + 18 dBm output (no limiting) Less than 1% at dBm limiting +12dBm output
TIME CONSTANT ATTACK AND RELEASE TIMES:
(Note: Positions 5 and 6 release times are automatic function of program material)
Position 1) .2 ms / .3 sec
Position 2) .2 ms / .8 sec
Position 3) .4 ms / 2 sec
Position 4) .4 ms / 5 sec
Position 5) .4 ms / .2 sec individual peaks, 10 sec multiple peaks
Position 6) .2 ms / .3 sec individual peaks, 10 sec multiple peaks, 25 sec consistently high program levels.
COMPRESSION RATIO: A function of the amount of limiting as well as setting of the two threshold controls which can be set to operate at ratios from 1:2 to 1:30
POWER REQUIREMENTS: 120 or 240 volts, 60 cycles AC, 3 amps.
CONTROLS:
a) 2 Input Gain controls: Step attenuator: 1 dB per step.
b) 2 Threshold Controls: continuously variable.
c) 2 Time Constant Switches: 6 positions so as to provide fixed and variable time constants for any type of program material.
d) 2 Metering Switches: 3 positions so as to measure plate current of each control tube, or as a limiting indicator.
e) Mode Switch: A-B positions: 2 independent limiters. Vertical-Lateral position: matrixing input and output, left and right in and out, limiting action vertical-lateral.
f) On-off switch

Installed Tubes: 8x 6386, 2x 12AX7, 4x 6973, 2x 12BH7, 1x E80F or (1x EF806), 1x 5651, 1x EL34, 1x GZ34

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