ART Pro MPA III - Dual Channel Tube Microphone Preamp
The ART Pro MPA III is a professional dual-channel tube microphone preamp that delivers versatile, high-quality signal amplification for any studio or live application. Featuring selectable tube or solid-state operation per channel, variable input impedance, and premium tube warmth with clean headroom, the Pro MPA III is ideal for vocals, instruments, and critical recording tasks. With comprehensive metering, high-pass filters, and phantom power, it offers complete control and exceptional sonic flexibility in a rugged 2U rackmount design.
Dual-Channel Tube & Solid-State Flexibility
Each channel of the Pro MPA III can be independently switched between warm tube operation or clean solid-state mode. Variable impedance (150–3kΩ) optimizes performance with any microphone, while the hybrid design provides rich tube harmonics when desired and pristine transparency when needed.
Key Features of the ART Pro MPA III
- Dual-channel tube/solid-state microphone preamp
- Selectable tube or solid-state operation per channel
- Variable input impedance (150–3kΩ) for microphone optimization
- High-pass filter and +48V phantom power per channel
- Precise VU metering with clip indicators
- Balanced XLR and 1/4" I/O
- High headroom and low noise performance
- Rugged 2U rackmount chassis
Technical Specifications
- Type: Dual-channel tube/solid-state microphone preamp
- Input Impedance: Variable 150 Ω – 3 kΩ
- Maximum Input Level: +20 dBu
- Maximum Output Level: +27 dBu
- Frequency Response: 20 Hz – 20 kHz (±0.5 dB)
- THD: <0.01% (typical)
- Equivalent Input Noise: -129 dBu (A-weighted)
- Power: Internal, 115/230 V AC selectable
- Dimensions: 19" × 3.5" × 8.5" (483 × 89 × 216 mm)
- Weight: 12.8 lbs (5.8 kg)
