Acme Audio MTP-66: The Motown Tube Preamp

Step back in time to 1966, deep in the heart of Detroit, where the Motown sound was born. The Acme Audio MTP-66 faithfully recreates the iconic 5-channel Motown input box—famously dubbed the “Motown guitar amp”—designed by Motown’s chief engineer at the request of producer Berry Gordy. Used to capture legendary performances by artists like James Jamerson, Dennis Coffey, and Bob Babbit, this circuit defined the sound of an era. Now, Acme Audio brings this extraordinary tone to your studio with the MTP-66 Motown Tube Preamp—a meticulously crafted single-channel lunchbox preamp featuring an all-tube signal path and modern enhancements for today’s audio professionals.

Key Features:

• Faithful Reproduction: Built using original 1966 engineering schematics for an authentic Motown sound.
• All-Tube Signal Path: Hand-selected tubes drive a high-performance Cinemag output transformer for pristine audio fidelity.
• Mic and Instrument Amplification: Includes a microphone amp section based on original Motown designs with a fixed gain pentode and Acme Audio/Triad input transformer.
• Adjustable Input & Output: Added input and output controls (not available on the original) let you customize drive and compression to suit your sound.
• Compact Design: Single-channel lunchbox format for seamless integration into modern setups.

Specifications

• Signal Path: All-tube with hand-selected tubes
• Output Transformer: Cinemag for superior sonic quality
• Input Transformer: Acme Audio/Triad for microphone amp section
• Controls: Adjustable input and output levels

The Acme Audio MTP-66 is more than just a preamp; it’s a piece of Motown history brought back to life with precision engineering and modern usability. Whether you’re tracking bass, guitar, or vocals, this preamp delivers the warmth, depth, and character that defined the Motown era—now available for today’s studios. Experience the soulful sound of Detroit with the MTP-66.