Chameleon Labs 7603 X-Mod Microphone Preamp & EQ - Namm B-Stock

This Chameleon Labs 7603 X-Mod was brand new and used for display for three days at the NAMM Show 2026 by the manufacturer. It comes with a full factory warranty, our extended warranty, and all factory packaging and paperwork.

Chameleon Labs 7603 X-Mod Features

• UK Carnhill Transformers: Features Carnhill UK microphone and line input transformers and Carnhill UK output transformer, all with mu-metal housings.
• Discrete Class A Design: High-resolution, low-noise circuitry for pristine audio.
• Hi-Z Direct Input: Front panel TRS input for instruments like guitars.
• Inductor-Based EQ: Three-band EQ with adjustable high-pass, low, mid, and high frequencies.
• Selectable Mic Impedance: 300Ω or 1200Ω settings for optimal microphone matching.
• Precision VU Meter: Custom ballistics for accurate input/output monitoring.
• Universal Power Supply: Onboard switch-mode power supply for worldwide compatibility.

Description

The Chameleon Labs 7603 X-Mod retains the exceptional dynamics and low distortion of the 7603 while introducing the unique sonic character of Carnhill’s legendary English components. This pre-amplifier is perfect for artists and engineers seeking both versatility and vintage tonal quality.

With its custom-designed transformers and inductor-based EQ topology, the 7603 X-Mod delivers superior performance while preserving the musicality associated with classic designs. The unit’s flexibility and precise control make it an indispensable tool for any studio setup.

Specifications

User-Controlled Functions:

• Mic Impedance: Switchable between 300Ω and 1200Ω for mic matching.
• 48V Phantom Power: Switchable phantom power for condenser mics.
• Direct Input: 100kΩ input sensitivity for instruments.
• Polarity Switch: Reverse the polarity of the audio signal.
• High-Pass Filter: Adjustable at 40Hz, 80Hz, 160Hz, and 320Hz.
• EQ Controls: Low, mid, and high-frequency adjustments with inductor-based design.
• Gain Adjustment: Mic boost (+20dB to +70dB) and line level (-30dB to +20dB).
• VU Meter: Monitor input/output levels with overload indicators.

Audio Specifications:

• Frequency Response: 10Hz - 20kHz (-0.5dB), 10Hz - 50kHz (-1dB).
• Maximum Output: +28dBu into 600Ω load.
• Signal-to-Noise Ratio: 116dB at maximum output.

Inputs:

• Microphone: Transformer balanced, RF isolated.
• Line: Transformer balanced, RF isolated.
• Direct Input: High impedance (100kΩ).

Mechanical:

• Build: 1RU steel enclosure with an aluminum front panel.
• Graphics: Laser etched for durability.
• Knobs: Milled aluminum for precision control.

Power Supply

100V - 240V (50/60Hz) switch-mode power supply with 3A peak output capability and low power consumption.