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Alice 504T mic pre front panel with input, limiter and output controls.
Alice 504T mic pre 500 Series module with front panel and circuit board.
Sale!
Alice 504T mic pre front panel with input, limiter and output controls.
Alice 504T mic pre 500 Series module with front panel and circuit board.

Alice 504T – Mic Pre with limiter & transformers

The Alice 504T mic pre is a 500 Series preamp with transformer-balanced input, ultra low-noise gain stages and a classic Ted Fletcher limiter for warm, controlled vocal and instrument recording.

Product Overview

The Alice 504T mic pre is a 500 Series microphone preamplifier with transformer-balanced input and output, designed to deliver classic Alice warmth with modern low-noise performance. Sharing its heritage with earlier Alice console designs, the Alice 504T mic pre adds a built-in limiter so engineers can capture dynamic singers and instruments with smooth, musical control.

At a Glance

  • 500 Series mic pre with input and output transformers for classic analog character.
  • Shared-gain, multi-stage low-noise amplifier topology for high headroom and low distortion.
  • Soft-knee limiter for gentle, musical dynamic control during tracking.
  • High-pass filter, phantom power and mic/line switching for flexible studio workflows.

System Details

The microphone input on the Alice 504T mic pre uses a transformer and dedicated Alice circuitry to extract full warmth and detail from any professional microphone while preserving a subtle analog sheen. Audio gain is shared across multiple low-noise amplifier stages, providing high gain with excellent overload margins, very low noise and tightly controlled harmonic distortion for ribbon, dynamic and condenser mics.

The onboard limiter adds gentle second-order harmonics when driven and prevents unexpected peaks from clipping converters or recorders. A switchable high-pass filter around the low-frequency range helps manage rumble and plosive energy, while phantom power, mic/line selection and limiter in/out switching make the Alice 504T mic pre equally at home on vocals, instruments, voice-over and dialogue.

Use Cases

The Alice 504T mic pre is ideal as a character front-end for vocals, acoustic instruments and voice-over where a warm yet detailed sound and reliable peak control are required. Mounted in a standard 500 Series rack, it also suits project and commercial studios looking to add classic British console tone and a musical limiter alongside cleaner preamps and audio interfaces.

Frequently Asked Questions

Is the Alice 504T mic pre suitable for ribbon microphones?
Yes, the low-noise, high-gain amplifier design and transformer-balanced input make the 504T an excellent match for ribbon and low-output dynamic microphones.

Can the limiter be bypassed?
The limiter on the Alice 504T mic pre can be switched in or out, so you can track clean, use it as a safety limiter or drive it intentionally for added colour as needed.

Alternative Products

For other character mic preamps, explore additional 500 Series modules and outboard in our
Alice product page.
section, including transformer-based designs and clean transparent options for different recording chains.

Browse more preamps, dynamics and processing tools in our
Mic Processors category.