MELODIUM P22T – 2-Channel Tube Mic Preamp

OVERVIEW

The MELODIUM P22T is a boutique 2-channel tube microphone preamplifier that brings vintage tone into the modern studio. Inspired by the classic Ampex 351, its fully balanced, all-analog design is engineered with ultra-low noise circuitry, making it equally suited for delicate sources and high-gain applications.

With over 80 dB of gain, the P22T delivers warmth, detail, and musicality across the full audio spectrum. An impedance switch allows precise matching for vintage microphones (50 ohms) or modern designs (200 ohms), making it especially ideal for ribbon mics. Handcrafted in France with premium components, the P22T combines timeless sonic character with modern reliability to bring every recording to life.

KEY HIGHLIGHTS

Vintage-Inspired Design:

Modeled after the legendary Ampex 351 tube mic preamp with added modern refinements.

Ultra-Low Noise Circuitry:

Captures quiet and delicate sources with stunning clarity and no unwanted background noise.

Powerful Gain Range:

Delivers over 80 dB of warm, organic tube gain for all types of microphones.

Flexible Impedance Switch:

Optimized for vintage (50 ohms) and modern (200 ohms) microphones, perfect for ribbons.

Handcrafted in France:

Built with passion, precision, and locally sourced premium components.

FEATURES

• 2-Channel Tube Preamp: Classic analog design in a 2U rackmount unit
• Vintage Tone: Inspired by the renowned Ampex 351 tube mic preamp
• Ultra-Low Noise: Engineered for quiet, clean amplification of delicate sources
• High Gain Power: More than 80 dB of tube-driven gain
• Impedance Switch: 50 / 200 ohms for vintage and modern microphones
• 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: 2-channel tube microphone preamplifier, inspired by Ampex 351

Rack Size: 2U rackmount unit

Circuitry: Fully balanced, classic analog, ultra-low noise

Gain: >80 dB

Impedance: Switchable 50 Ω (vintage mics) / 200 Ω (modern mics)

Frequency Response: Full range audio spectrum

Output Stage: Push-Pull design

Transformers: Input and output transformers

Tubes:

• 2 × 12AX7
• 1 × 12AU7

Power Supply: Regulated

Microphone Compatibility: Suits all types, perfect with ribbon mics

Weight: 9.1 kg

Construction: Handcrafted in France using premium locally sourced parts