Heritage Audio HA-609A Diode Bridge Compressor

Heritage Audio HA-609A - A Modern Diode Bridge Compressor/Limiter

Heritage Audio's HA-609A is a modern interpretation of the classic diode bridge compressor/limiter, designed to meet the demands of contemporary tracking and mixing. Built in Madrid, Spain, the HA-609A combines the heritage of classic audio equipment with modern manufacturing techniques, offering exceptional audio quality without compromising on value.

Key Features:

• Modernized Classic Design: Integrates the classic transformer-coupled diode bridge compressor/limiter concept with several improvements for contemporary workflows.
• Discrete, Class A Design: Features a completely discrete, Class A design with three Carnhill St Ives transformers per channel, enhancing audio character and warmth.
• Versatile Attack Modes: Includes a fast attack mode for both compressor and limiter sections, making it suitable for handling individual tracks, groups, and 2-bus program material.
• Improved Channel Matching: Utilizes a proprietary system of diode bridge gain reduction cells for superior channel matching.
• Precise Control and Recall: Offers rotary switches and high-quality, stepped pots for accurate settings and stereo image preservation.

Specifications:

• Maximum Input Level: >+22 dBu
• Maximum Output Level: >+26.5 dBu into 600 Ω
• Self-Noise: <-75 dBu (20 Hz-20 kHz), -80 dBu A-weighted
• THD+N: <0.07% at +20 dBu (50 Hz- 20 kHz)
• Frequency Response: ±0.5 dB, 15 Hz- 30 kHz (COMPRESS and LIMIT OUT)
• Input Impedance: 10 kΩ, transformer balanced and floating
• Output Impedance: <75 Ω, transformer balanced and floating, Class A driven
• Compressor and Limiter Characteristics: Adjustable threshold, ratio, and release with auto release options

The Heritage Audio HA-609A is more than just a compressor/limiter; it's a bridge between the classic and the contemporary, offering the warmth and character of vintage gear with the precision and flexibility needed for modern music production.