Heritage Audio HA-609A
Heritage Audio HA-609A
The Heritage Audio HA-609A is a stereo transformer-coupled diode-bridge compressor/limiter.
Specifications
Core specs
| Topology | stereo diode-bridge compressor/limiter, discrete Class A |
|---|---|
| Channels | stereo / two channel |
| Input level | > +22 dBu |
| Output level | > +26.5 dBu into 600 ohms |
| Frequency response | +/-0.5 dB, 15 Hz-30 kHz |
| Ratio | 1.5:1, 2:1, 3:1, 4:1, 6:1 |
Standard metafields
| Material | Three Carnhill St Ives transformers per channel; discrete Class A circuit topology |
|---|
Fit and constraints
Intended use
Constraints
To use it
Questions
What voltage, polarity, and current does this exact revision require?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Are the original box, power supply, and any model-specific accessories included?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Does this listing match the exact revision and finish shown in the source photos?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Description
The Heritage Audio HA-609A is a discrete, Class A transformer-coupled compressor/limiter featuring three Carnhill St Ives transformers per channel. It includes fast attack modes for both compressor and limiter sections, along with a proprietary diode bridge gain reduction system designed for improved channel matching. Rotary switches and stepped potentiometers enable precise recall and stereo imaging.