The lush, punchy, warm sound of the most famous tube compressor. The Heritage Audio Herchild HA660 (HERCHILD Model 660) is a mono tube-based variable-mu compressor that faithfully reproduces the design and exact components of the original Fairchild 660. It adds modern controls that today’s engineers expect, for vocals, instruments and buses.
Why customers choose it
Who it is for
Professional mixing and mastering studios, vocal and instrument tracking, and engineers who want the vintage variable-mu sound on a single channel.
What’s in the box
- 1 x Heritage Audio Herchild 660
- AC power cord EU and US
Specifications
| Type | Mono tube variable-mu compressor |
|---|---|
| Tubes / transformers | 11 valves, 5 transformers |
| Input impedance | 2 kohm |
| Output impedance | 600 ohm |
| Output level | +30 dBu clipping point |
| Signal-to-noise | 120 dB |
| Self-noise | Under -82 dBu |
| Harmonic distortion | Under 1% up to +18 dBu output (no limiting) |
| Power | Over 100 W |
| Dimensions | 482 x 134 x 200 mm (3U) |
| Weight | 7.365 kg |
Good to know
- It is a single-channel unit and takes 3 rack spaces; for stereo, see the two-channel Herchild Model 670.
- Tube gear draws over 100 W – give it ventilation in the rack.
FAQ
Can it be used on vocals?
Yes. It gives clean, transparent compression without pumping, or a denser, coloured sound when pushed.
Talk to Suhavi
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