Heritage Audio HERCHILD Model 670 Tube Compressor
The Heritage Audio HERCHILD Model 670 Tube Compressor is a stunning recreation of the legendary Fairchild 670, considered by many to be the ultimate studio compressor. Renowned for its rich, smooth sound and musical dynamic control, the HERCHILD 670 delivers the iconic variable-mu compression that has defined countless classic records — now with modern reliability and precision.
Designed for the most demanding professional environments, the HERCHILD Model 670 offers true dual-channel or linked stereo operation, making it ideal for stereo bus compression, mastering, and high-end tracking applications. Every detail, from the all-tube signal path to the custom-wound transformers, stays faithful to the original design, ensuring the unmistakable warmth, depth, and musicality that made the original 670 a studio legend.
With independent controls for each channel, selectable time constants, input gain, threshold, and DC bias adjustments, the HERCHILD 670 provides flexible and precise control over your sound. Its hand-built construction, premium components, and meticulous attention to authenticity make it a centerpiece for any serious recording or mastering studio.
Key Features:
- Authentic recreation of the legendary Fairchild 670 stereo tube compressor
- All-tube, variable-mu compression for rich, musical dynamics
- Dual-channel or stereo-linked operation
- Independent input gain, threshold, and DC bias controls per channel
- Selectable time constants based on original Fairchild configurations
- Custom hand-wound input and output transformers
- Transformer-balanced inputs and outputs for maximum sonic integrity
- Heavy-duty 6U 19″ rackmount chassis with internal power supply
- Ideal for stereo bus, mastering, drum groups, and high-end tracking
- Hand-built with premium-grade components for ultimate reliability
Technical Specifications:
- Channels: Dual mono or stereo linked
- Compression Type: Variable-mu, tube-based
- Controls per Channel: Input Gain, Threshold, DC Bias, Time Constant Selector
- Time Constants: 6 selectable settings
- Input/Output: XLR balanced
- Transformer Balanced: Yes
- Frequency Response: 20 Hz – 20 kHz ±1 dB
- THD+N: <0.5% at nominal operating levels
- Maximum Output Level: +24 dBu
- Power Supply: Internal, 115V/230V selectable
- Dimensions: 6U 19″ rackmount
- Weight: Approximately 22 kg
Bring the unparalleled warmth, punch, and musicality of the most legendary compressor in audio history into your studio with the Heritage Audio HERCHILD Model 670 Tube Compressor — the ultimate tool for critical recording, mixing, and mastering applications.