The Alice 504T Mic Pre with limiter & transformers is a high-quality microphone preamplifier designed to deliver warmth and a distinct sonic character. Here are the key features and technical specifications:
Key Features:
- Unique Mic Input Circuitry:
- Utilizes unique circuitry with a transformer in the microphone input to capture the full warmth from professional microphones and impart a distinctive “fairy dust” sound.
- Overload Margins and Low Noise:
- Maintains excellent overload margins for both microphone and line-level inputs.
- Achieves extreme low noise performance.
- Shared Gain Across Four Stages:
- Audio gain is shared across four low-noise amplifier stages to handle challenging sound sources.
- Classic Limiter Design:
- Incorporates a classic Ted Fletcher-designed limiter from 1979, known for its admired sound.
- Used by top artists and major studios for its unique limiter characteristics.
Technical Specifications:
- Mic Input:
- Frequency Response: 20Hz to 20KHz, precision balanced +0, -1dB.
- Line Input:
- Frequency Response: 10KHz.
- Relative Input Noise:
- -128.6dB.
- Harmonic Distortion:
- (@ 0dB output 1KHz) 2nd order: 0.005%, 3rd order: 0.03dB.
- Maximum Mic Gain:
- 77dB.
- Maximum Input Level:
- Approximately -10dBu.
- Maximum Output Level:
- +22dBu.
- High Pass Filter:
- 6dB/8ve, 3dB down at 75Hz.
- Limiter:
- Soft knee with approximately 12:1 ratio.
- Switchable Features:
- Switchable Phantom Power: In/Out.
- Switchable Mic/Line: In/Out.
- Switchable Limiter: In/Out.
- Manufacturing Origin:
- 100% manufactured in the UK.
The Alice 504T Mic Pre with limiter & transformers is designed to offer a unique and warm sonic character, making it suitable for a variety of professional audio applications. With its shared gain structure, low noise, and the classic limiter design, it provides a distinctive and sought-after sound profile. The switchable features add versatility to adapt to different recording situations. As a product manufactured entirely in the UK, it reflects a commitment to quality craftsmanship.
