MELODIUM P22T PORTABLE – 2-Channel Portable Tube Mic Preamp Stereo Set
OVERVIEW
The MELODIUM P22T Portable combines classic tube warmth with modern engineering, delivering a versatile 2-channel stereo preamp that adapts to both studio and field recording. Inspired by the iconic Ampex 351, this preamp is fully balanced, engineered with ultra-low noise circuitry, and capable of more than 80dB gain. Its powerful push-pull output stage and premium transformers ensure recordings are full-bodied, dynamic, and exceptionally musical.
With selectable input impedance for vintage (50 ohms) and modern (200 ohms) microphones, the P22T Portable provides unmatched compatibility. Whether you’re working with ribbons, condensers, or dynamics, this preamp enhances every signal with warmth, clarity, and depth. Its dedicated regulated PSU – capable of powering mono or stereo setups – adds both reliability and flexibility, making it an ideal choice for mobile engineers who demand uncompromised sound quality.
KEY HIGHLIGHTS
Classic Tube Warmth:
Inspired by the legendary Ampex 351 design, the P22T Portable delivers rich, organic tones across a wide dynamic range.
Ultra-Low Noise Performance:
Engineered with precision circuitry to capture even the most delicate sources without background noise.
Versatile Gain Structure:
With more than 80dB of gain, this preamp provides exceptional headroom for any microphone type, including ribbons.
Flexible Impedance Matching:
Selectable 50/200 ohm input ensures perfect matching for vintage and modern microphones alike.
Portable Stereo Power:
A separate regulated PSU supports both mono and stereo operation, complete with a backlit interface for easy use in any environment.
FEATURES
- 2-Channel Tube Preamp: Classic analog design in a portable stereo set
- Vintage Tone: Inspired by the renowned Ampex 351 tube mic preamp
- Ultra-Low Noise Circuitry: Engineered for quiet, clean amplification of delicate sources
- High Gain Power: More than 80 dB of tube-driven gain
- Fully Balanced Architecture: Warm, organic, and detailed sound across a wide dynamic range
- Selectable Input Impedance: 50 / 200 ohms for vintage and modern microphones
- Regulated Power Supply: External PSU supports mono or stereo operation
- Backlit PSU: Ensures easy visibility
- Transformer-Coupled: Input and output transformers for added warmth and character
- Push-Pull Output Stage: Ensures powerful and balanced signal handling
- Tube Complement: 2 × 12AX7 and 1 × 12AU7
- Perfect for Ribbon Mics: Smooth and detailed response with optimal impedance matching
- Handcrafted Build: Designed and made in France with premium components
TECHNICAL SPECS
Design: Portable 2-channel tube mic preamp stereo set
Inspiration: Classic Ampex 351 tube mic preamp
Circuitry: Fully balanced, ultra-low noise
Gain: >80dB
Input Impedance: 50 / 200 ohms selectable
Frequency Response: Full range audio frequencies
Output Stage: Push-Pull
Transformers: Input & Output
Tubes:
- 2 x 12AX7
- 1 x 12AU7
Power Supply: Separate regulated PSU (mono or stereo capable, backlit)
Microphone Compatibility: Suits all mic types, ideal for ribbon microphones
Weight: 13 kg
Build: Designed and hand-crafted in France with premium, locally sourced components









