Great River MP-2NV

2-channel Mic/Instrument Preamp with 60dB Gain and Transformer-balanced Output
Great River MP-2NV image 1
Great River MP-2NV image 1
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Great River MP-2NV
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A Modern Mic Preamp with Vintage Sound!

The MP-2NV is a Great River Electronics preamplifier that takes the classic circuitry and vintage sound of the 1073 module to a new level of modern sonic fidelity. Accuracy, transparency, and vintage "tuning" amplify this design goal. The circuitry allows for brilliant transformer saturation or the soft distortions of a single-ended amplifier. Extreme pushing of the unit will augment the sound of electric guitars, sound modules, and drums to add vitality, presence, and real punch.

Vintage Sound

The Great River MP-2NV features iron in the signal path for that big vintage sound. Its no-latency output monitoring provides a buffered sound feed to your DAW workstation. The MP-2NV's hi-Z input is ideal to shape the sound for bass, electric guitar, and sound modules. Dual metering provides visual monitoring of gain staging. The ultra-quiet noise floor delivers "stealth" performance for rich, textured vocal sounds. Finally, you'll hear an enhanced stereo image when using both channels of the MP-2NV.

Great River Electronics MP-2NV Preamplifier Features:
  • XLR balanced in and out connections
  • 1/4" -10dbV output for 'no-latency' DAW monitoring
  • hi-Z input on front panel
  • Adjustable gain in 5db steps to 60db
  • Output gain from -25 to +10db; maximum overall gain 70db
  • Input and output monitor meters on each channel
  • 2 or 3 stages of single ended solid-state amplifier gain blocks
  • Gold plated switching contacts
  • Front panel polarity, phantom power, input impedance, and output loading switches
  • High quality, custom wound Sowter transformers
  • Output transistor and transformer with heavy 70ma Class A bias
  • Local regulating of each channel
  • Long service life components

Additional Media

Studio Preamp Buying Guide

Tech Specs

Preamp Type Solid State
Number of Channels 2
Frequency Response 10Hz-30kHz
Phantom Power Yes
Analog Inputs 2 x XLR, 2 x 1/4" (Hi-Z)
Analog Outputs 2 x 1/4"
Channel Inserts Yes
Rack Spaces 1U
Height 1.75"
Depth 9"
Width 19"
Weight 12 lbs.
Manufacturer Part Number MP2NV

Customer Reviews

Based on 5 reviews
Write your review

Winner !!!

Truly an amazing piece of gear ! This pre sees a lot of action in our studio and it's well deserved. The character ranges from fairly clean to quite aggressive! Turning up the input gain and dimming the output trim will yield the most colored sounds from the unit and vice versa. The tone of the amp is VERY powerful, punchy and solid. You can't go wrong with this one !

Worth every penny

This pre is acoustically beautiful. It's really easy to quickly dial in the amount of saturation desired given the fact that it has input and output gain controls AND input/output meters. Want that classic nicely saturated iron transformer thick bass sound? Look no further! Plug in to the DI and be very happy (OK the bass/player matter some too..). The loading control is interesting - subtle, but there. Works great for overheads too! If only it had a line in - I keep wanting to reamp through it.
Music background: serious sound addiction, musician

Great Preamp

This preamp is a studio workhorse. It is one of the best general purpose preamps out there. Sonically it's fairly clean, but the tone is variable because there are separate knobs for input and output levels in addition to a button that switches the impedance. Also the DIs are fantastic for synths/basses/guitars and have rock-solid low end.
Music background: Songwriter


I use this ole pre on two AEA R84 ribbon mics plenty of SPL no problems there. Vintage sound maybe like an API don't know for sure. Also don't know why this isn't more popular this preamp as compared to vintech is FAR BETTER and even BETTER than the UA-2610S.
Music background: Music Producer, Studio Musician

Excellent Pre amp.

I bought the Great River preamp just on two years ago, and have found it to be great on virtually everything, from vocals through to bass,guitar and keyboards. It is especially useful with ribbon mics, and the variable impedance loading feature, while rather subtle, does make a difference to the sound when the track is played back. It's quiet, and has a lot of gain on tap. I has hi-z inputs also, which is a bonus. As always, try it out, if possible, to see if it suits your needs, and has the sound characteristics you're after. If you're after a good allrounder, check it out. I give it a solid thumbs up.
Music background: Singer/Songwriter
See also: Great River, Great River Preamps