Warm, fat diode bridge compression for the mix bus. The Heritage Audio Successor is a true-stereo, diode bridge-based bus compressor with advanced sidechain filtering and built-in parallel compression. Introduced in 2019, it brought colourful transformer compression to mix bus duties that were usually handled by clean VCA units.
Why customers choose it
Who it is for
Mix engineers working on the stereo bus, drum bus or instrument groups, and studios that want analogue glue in their mix chain.
What’s in the box
- 1 x Heritage Audio Successor
- AC power cord EU and US
- Power supply HA-PSU03
Specifications
| Type | True-stereo diode bridge bus compressor |
|---|---|
| Maximum input | Over +22 dBu |
| Maximum output | Over +26 dBu into 600 ohm |
| Self-noise | Under -75 dBu |
| THD+N | Under 0.07% at +20 dBu (dynamics out) |
| Frequency response | 15 Hz – 30 kHz, +/-0.5 dB |
| Input impedance | 10 kohm, transformer balanced |
| Output impedance | Under 75 ohm, transformer balanced, Class A |
| Sidechain | Internal filters, external send/return |
| Dimensions | 482 x 44 x 185 mm (1U) |
| Weight | 3.38 kg |
| Channels | 2 (true stereo) |
| Transformers | Carnhill |
Good to know
- Single controls work both channels in true stereo.
- Stepped controls make it easy to recall settings between sessions.
FAQ
Can it do parallel compression on its own?
Yes. The Blend control mixes dry and compressed signal inside the unit, with no extra gear needed.








































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