Locomotive Audio

Locomotive Audio is a boutique manufacturer known for crafting valve based processors that deliver rich colour, warm harmonics and a classic studio feel. Built with a focus on musicality and robust engineering, the brand’s compressors and preamps are prized for adding weight, depth and texture to vocals, drums and mix buses. Locomotive Audio gear brings vintage inspired tone into modern recording setups with reliability and expressive character.

Made In U.S.A.

Released in 2014 /

Locomotive Audio 86B-2 Vacuum Tube Preamp

The Locomotive Audio 86B-2 Vacuum Tube Preamp provides Two Huge Channels of Sweet and Harmonic Tube Preamp Gain that can sound Warm and Clean to Aggressive and Grungy.

Made In U.S.A.

Released in 2015 /

Locomotive Audio 14B Variable MU Compressor

Compression Type: Variable-Mu

Just like its popular vintage inspirations, the Gates Sta-Level, UA 175B, RCA BA-6A and Collins 26U, the results are a sound that cannot be replicated with any other method of gain reduction. The Locomotive Audio 14B delivers!

Made In U.S.A.

Released in 2015 /

Locomotive Audio WT-72 Valve Mic Preamp

The Locomotive Audio WT-72 is a two-channel all-tube equaliser that is renowned for its warm and musical sound and is commonly used in professional recording studios for mixing and mastering applications.

Made In U.S.A.

Released in 2016 /

Locomotive Audio WT-COMP Compressor

Compression Type: Variable-Mu

The Locomotive Audio WT-COMP Compressor will put a stamp on any material run through its circuitry. The smooth and euphonic sound of soft-knee vari-mu compression paired with thick, distinct and colourful harmonic saturation makes the Weight Tank Compressor very unique.

Made In U.S.A.

Released in 2020 /

Locomotive Audio Copperline Phantom Power Supply

The Locomotive Audio Copperline is a two-channel utility unit designed to sit between microphones and preamps or line-level devices, offering precision control over signal flow. It features a 5-position attenuator, high-pass filter, mute, polarity switch, Vintage Ω load, and patent-pending Variable Voltage Phantom Power.

Made In U.S.A.

Released in 2024 /

Locomotive Audio 86B-1 Microphone Preamplifier

The Locomotive Audio 86B-1 is a compact valve preamp delivering sweet harmonic gain from clean warmth to aggressive saturation.

Made In U.S.A.

Released in 2025 /

Locomotive Audio 40AM-2 Microphone Preamplifier

The Locomotive Audio 40AM-2 is a two-channel tube preamp inspired by 1940s American broadcast gear like the RCA BA-11A and Gates SA-70. It delivers thick, warm, and compressed tones using octal 6SJ7 tubes, custom transformers, and flexible tone-shaping controls including a 5-position response switch, input pad, low cut filter, and DI input.

Made In U.S.A.

Released in 2025 /

Locomotive Audio 40AM-1 Microphone Preamplifier

A compact 500-series valve preamp that recreates classic 1940s American tone, offering transformer selection, five-position response shaping, pad, low-cut filter, DI, and LED metering for versatile colour and control.