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Tube-Tech MP1A – No Longer Available

Exceptionally smooth sounding stereo mic pre and direct instrument input amplifier

Product Description

The Tube Tech MP 1A is a combined dual Microphone Preamplifier and Direct Instrument amplifier for microphones or instruments.
The microphone inputs and outputs are balanced as well as fully floating. The inputs provide a switchable +48 V phantom power as well as a switchable -20 dB pad. Gain is adjustable in 5 dB increments from +20 dB to +70 dB.

The Direct Instrument Inputs are unbalanced with a gain ranging from + 10 dB to + 60 dB. The amplifiers are all tube based and the heaters are on a strict diet of DC-voltage only to avoid hum. All transformers, with the exception of the mains transformer, are enclosed in MU-metal cans. Input and output transformers come with a static screen between the primary and secondary wirings.

  • Tube based push-pull output amplifier
  • Gain from +20 dB to +70 dB in 5 dB increments
  • Pad in front of input transformer (-20 dB)
  • Built-in +48 V phantom power
  • Microphone input impedance = 1,2 kohm
  • CMRR >60 dB @ 10kHz
  • Direct Instrument Jack-socket input for various instruments
  • DI input impedance > 1 Mohm
  • Frequency Response @ -3 dB: 15 Hz to 60 kHz
  • Typical noise figure: 5 dB @ 200 ohm

Product Specifications

Condition New
Tube or Solid State Tube
Channels Dual-Channel
Chassis 19-inch Rack-mount
Rack Spaces 2u
Direct Input Yes
Digital I/O No

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How do you rate this product?
I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.