KERWAX REPLICA RevC – 2-Channel Tube Line Preamplifier with M/S Mode

OVERVIEW

The KERWAX Replica RevC brings the sonic magic of vintage consoles into your modern studio. Derived from the custom 24-channel tube mixer at Kerwax Studio, this 2-channel preamp is designed for producers and engineers who demand authentic analog warmth and tonal flexibility.

With dual operation modes – Left/Right or Mid/Side – the Replica RevC excels in both mixing and mastering applications. Its intuitive controls, including gain drive, output volume, bias adjustment, EQ, and high-pass filtering, allow you to shape your sound from subtle tube coloration to full-bodied harmonic saturation. Fully handcrafted in France using the finest locally sourced components, this unit combines precision engineering with musical soul, making it an essential tool for elevating stems, instruments, or entire mixes.

KEY HIGHLIGHTS

Authentic Tube Warmth:

Craft the unmistakable character of vintage studio gear with rich harmonic coloration.

Flexible Stereo & M/S Processing:

Switch between Left/Right and Mid/Side modes for versatile mixing and mastering.

Powerful Tone Shaping:

Dial in everything from subtle warmth to heavy saturation with intuitive controls.

Handcrafted Boutique Build:

Meticulously designed and assembled in France with premium components.

Perfect for Mixing & Mastering:

Ideal as a front-end or insert to add depth, width, and analog character.

FEATURES

• 2 x Audio Modes: Left/Right and Mid/Side
• 2 x Tubes per Channel: Dedicated Preamp & Drive stages
• Tube Preamp BIAS Adjustment: Shape tonal character and saturation
• Gain/Volume Controls: Dial in harmonic distortion from subtle to bold
• Trim Adjustment: Fine-tune levels with precision
• Treble & Bass EQ Adjustment: ±10 dB for tonal sculpting
• Selectable High-Pass Filter: Choose 80 Hz or 120 Hz cutoff
• Individual Channel Phase Switch: Correct or creatively alter phase
• Output Level Monitoring: Classic VU-meters for accurate metering

TECHNICAL SPECS

Audio Modes: 2 — L/R (Left/Right) + M/S (Mid/Side)

Analog I/0: 2 input + 2 output, balanced XLR

Line Level: +4 dBu standard operating level

Maximum Output Level: +20 dBu

Frequency Response: 30 Hz to 27 kHz (-1.5 dB)

Total Harmonic Distortion: 80%

Equalization: Treble and Bass Freq. EQ, +10 dB

High-Pass Filter: 80 Hz or 120 Hz, 6 dB per octave

Vacuum Tubes: 12AX7-type (ECC83, 7025)

Rack Height: Standard 5U (5 units)

AC Power: 115V / 230V

Power Consumption: 27W

Dimensions (L x W x H): 483 x 342.5 x 222 mm

Weight: 10.6 kg

Operating Temp. Range: 10°C to 35°C

Storage Temp. Range: O°C to 50°C

DOWNLOADS

• Brochure
• User Manual