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Tube MP-C

Code: 5466

Tube Preamp/Opto-compressor with Independent Circuits, XLR and 1/4

Price: €248.00
Price: €248.00
BUY Online: €218.00
BUY Online: €218.00
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The Tube MP/C (PreAmplifier/Compressor) is a multi-purpose tool for audio engineering and recording. Two independent circuits featuring a tube-based analog preamplifier and a VCA-less compressor with optical gain reduction control are housed in one, convenient desk-top chassis.

Used as a mic/line preamp or as a DI (direct) box, the Tube MP/C is designed to work seamlessly with any recording, sound-reinforcement, or electronic instrument setup. A R T’s Tube MP/C circuitry is a hybrid design utilizing the latest, most advanced, solid-state and tube technology.

The preamplifier’s active balanced solid-state input provides extremely low noise and excellent common mode rejection. The ¼-inch high impedance input prevents loading of any connected device making the Tube MP/C perfect for DI or line level applications. The preamplifier’s second stage 12AX7a tube runs on a regulated DC voltage providing an additional 20dB of gain.

The compression circuit features a VCA-less design and utilizes optical electronics (Vactrol) coupled with a 12AX7a vacuum tube gain stage for superior musical performance.

    • Tube-based mic/line preamplifier with up to 80 dB of gain 
    • Hand-selected 12AX7a tube
    • Optical (VCA-less) compressor circuitry = transparent dynamics control
    • 1/4-inch unbalanced inputs and outputs 
    • XLR balanced inputs and outputs 
    • Transformer isolated XLR output 
    • Selectable output range for Line/Instrument interface levels 
    • LED meters for Tube Warmth, Gain Reduction and Output level 
    • +48V phantom power 
    • Phase reversal switch 
    • Selectable release time settings 
    • > 90dB dynamic range 
    • Custom extruded aluminum chassis
  • Frequency Response: 30 Hz – 60 kHz +/- 1 dB balanced output, 20 Hz – 60 kHz +/- 1dB 1/4″ output
  • Total Harmonic Distortion: <0.1% @ max gain
  • CMMR: > 60 dB @ max gain
  • Equivalent Input Noise: -128dBu typical (“A” wtd., Shorted XLR balanced input, gain @ max)
  • Input Impedance: 1M Ω 1/4″ input, 5K Ω XLR input
  • Input/Output Connections: Input: XLR balanced or 1/4″ balanced. Output: 1/4″ unbalanced XLR balanced, transformer isolated.
  • Maximum Gain: +80 dB (balanced in-out, +64dB (unbalanced input, balanced output)
  • Maximum Input Level: unbalanced (Inst): +15 dBu, balancd (mic): +10 dBu
  • Maximum Output Level: +19 dBu (Line mode)
  • Output Impedance: LR: <600 Ω, 1/4″: <300 Ω
  • Low Cut Filter: -3 dB @ 70 Hz, 6dB/Octave
  • Phantom Power: Switch selectable, +48Volts DC, filtered, current limited
  • Chassis Type: All aluminum black anodized with integral rubber sides
  • Power Requirements: 9VAC @ 1000mA (external)
  • Attack Time: <1 ms (limit), 20 ms (comp.)
  • Release Time: 150ms (fast), 20ms – 3s Program dependant (Auto)
  • Tube Type: Hand selected 12AX7a
  • Compressor Slope: 2:1 (Comp.) / 11:1 (Limit)
  • Dimensions: 1.75″H x 5.9″ W x 6.5″ D (44.5mm x 150mm x 165mm)
  • Weight: 2.9 lbs (1.32 kg)