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Great River Electronics MP-2NV Stereo Preamp, from Great River

Neve-inspired stereo preamp boasting incredibly deep and punchy lows and an instantly recognizable mid-range.

Great River Electronics

$2,275.00

Retail:  $2,960.00

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What We Think

Great River has taken a familiar design and in a lot of ways improved upon it. When it comes to sound, the often unwieldy low-mids that a classic 1073 (or 1073 clone) will tend to have is much tighter and punchier with the Great River preamp. Also the Hi-freq response reveals much more detail than its inspiration. Key features like the “loading” button that engages a 600 ohm resistor before the output stage opens the door to a ton of sonic variations. Also, switchable input and output metering really set this preamp apart in the ever growing sea of Neve inspired hardware.  
 
When I use it on rock vocals, it adds a weight and texture that is simply to die for. This is also my go to pre for overhead recordings, where the high frequencies are delivered in a warm, controlled manner and the drums sound punchy and thunderous. Being a Neve-inspired unit, it shares the same source flexibility, so while I have my favorites, it performs exceptionally all throughout the studio. I also really like the DI of the Great River. They managed to implement a FET-buffered route for the instrument signal to pass through the custom wound Sowter transformer. This makes the DI much more than an afterthought which, lets face it, on some mic pres thats exactly what it is. I often go with its DI over my pricy dedicated DI units. 

1073-Style Preamp Blind Shootout: WA273-EQ vs. Vintech X73i vs. BAE 1073 vs. Great River MP-2NV

In this BLIND 1073-style preamp shooutout video, we put the Warm Audio WA273-EQ, the Vintech X73i, the BAE 1073, and the Great River MP-2NV up against each other on acoustic guitar & male vocals. Can you tell which is which? FOR THE RESULTS AND A COPY OF THE HIGH RES AUDIO FILES:(without YouTube compression), give us a call at (919) 682-5552 or email us at proaudio(at)soundpure.com.

Manufacturer's Description from Great River

The MP-2NV (two channel mic preamp) greatly modernizes and improves classic British design. This single-rack-space pair of preamps offer the same definitive sonic fidelity and expert craftsmanship as all Great River products, with the ability to fine-tune gain effects like 1970's-era 1073's. Transparency and vintage harmonic structure are both achieved with NV-Series preamps.

The MP-2NV achieves "new classic" performance status with two discrete Class-A gain stages (the dual gain-stage meters are a Great River exclusive), a front-panel DI input jack which is routed via FET through the input transformer (also unique to Great River preamps) for must-hear-to-believe sound from all hi-Z instruments, and a discrete high-current Class-A "big iron" transformer-coupled output amplifier. The MP-2NV is a fundamentally important audio tool that brings out the best in every microphone and instrument.

Great River Electronics

About Manufacturer

Great River Electronics Inc. designs, manufactures, and markets superior quality professional audio products that are built to perform and capture your sound with integrity, character, and accuracy. The company has an experience base in excess of twenty years in analog and digital domains of audio processing. In addition, the company also designs industrial control systems used in commercial applications. Great River Electronics Inc. is located just southeast of the capital city St. Paul, Minnesota. Dan Kennedy, co-founder of Great River Electronics Inc., began designing microphone preamplifiers to solve noise problems associated with recording orchestral music using ribbon microphones. Intelligence, perseverance, and passion yielded product designs that are supremely quiet, clearly transparent, and extremely musical across all musical genres and tracking formats. The combination of crystal clear high-end coupled with tight, solid low-end result in precise, full sounds that realize their natural sonic positions within any mix. In addition, Dan has designed an equalizer, EQ-2NV and EQ-1NV, to complement the NV Series preamplifiers or to function as a standalone equalizer. The design philosophy at Great River Electronics Inc. has always been to utilize the minimum circuitry necessary to provide maximum sonic performance. Legendary Jensen and Sowter transformers optimized for Great River Electronics Inc. are used in all microphone preamplifiers. In addition, all units are equipped with gold plated switch contacts, operate on externally switched 110 or 220 volts, and have a standard two-year warranty with registration. These preamplifiers are widely used internationally in professional recording studios, digital project studios, and road recording rigs. The units are designed as perfect front-end additions to digital audio workstations (DAWs). Two design types of preamplifiers are currently available - Original MP Series, the clean series, and the newly developed NV Series, the vintage sound series. The Original MP Series, the MP-2 and the MP-4, are two channel and four channel units that offer the most pristine, definitive sound clarity and accuracy available today. These units have optional output transformers to isolate and balance the signal. The NV Series, featuring the MP-2NV and the ME-1NV, modernize vintage sound. Both units are tunable preamplifiers that offer the same definitive sound and solid craftsmanship as all Great River Electronics preamplifiers with the ability to 'tune that sound' a la 1970's 1073's. The equalizers, EQ-2NV (two channel) and EQ-1NV (one channel), are loosely based on the topology of vintage 1081/1083 models. The newly-designed class A, discrete single-ended amplifiers in the EQ-NV Series bring greater clarity and dynamic range to the musicality and control of the 108x models. The EQ-2NV and EQ-1NV use the same internal components and have identical and stunning sonic performance capabilities. Great River Electronics Inc. understands the needs, demands, and mission of today's busy recording professionals - produce great music with great sounds and great performances accurately articulated and meticulously defined every time.

Specifications

  • Multiple In/Out connections: XLR balanced; ¼" -10dbV output for 'no-latency' DAW monitoring; high-Z input on front panel (disconnects mic input): TRS ¼” insert patch point for compressor or equalizer ahead of the output amplifier
     
  • Adjustable gain stages: input in 5db steps to 60db; output from -25 to +10db; maximum overall gain 70db; 2 to 3 stages of single ended solid state amplifier gain blocks, depending on gain structure; high-current 70ma Class A bias on output stage
     
  • Input and output meters on each channel (dual-stage metering is a Great River exclusive)
     
  • Front panel switches: polarity; phantom power; input impedance (1200 / 300 ohm); output loading (600 ohm resistor across output transformer)
     
  • High quality, custom wound Sowter transformers
     
  • Gold plated switching contacts
     
  • Local power supply regulation on each channel
     
  • 110 or 220 volt operation with external selection, either 50 or 60 Hz
     
  • 3 year warranty with registration
     
  • Single rack space with internal power supply
     
  • 'Big Iron Vintage Sound' from custom-wound transformers
     
  • 'No-latency' output monitoring for DAW users
     
  • High-Z input is ideal for bass, guitar, and sound modules (FET-buffered and routed into the input transformer, a Great River exclusive)
     
  • Gain stage monitoring via dual meters (also a Great River exclusive)
     
  • Ultra quiet noise floor for outstanding performance at any gain setting
     
  • Excellent stereo imaging (nearly identical phase response channel-to-channel)

Sound Clips

Isolated recording of a Hammond B-3

(click to download)
Royer Labs Live Series SF-24 Ribbon Microphone > Heil PR-30 Microphone > Chandler Limited Germanium Mic Pre/DI > Great River Electronics MP-2NV Stereo Preamp

Description:

Recording of a Hammond B-3 played by the Damon Castillo Band and engineered by Ross Hogarth. Miked with a Royer SF-24 Stereo ribbon mic on the top of the Leslie and a Heil PR-30 on the bottom. The SF-24 into the Great River MP-2NV Preamp and the PR-30 into the Chandler Germanium Preamp. This sample presented here at 192 kbps and at a sample rate of 44,100. Enjoy!!

Recording of a Hammond B-3 played by the Damon Castillo Band and engineered by Ross Hogarth. Miked with a Royer SF-24 Stereo ribbon mic on the top of the Leslie and a Heil PR-30 on the bottom. The SF-24 into the Great River MP-2NV Preamp and the PR-30 into the Chandler Germanium Preamp. This sample presented here at 192 kbps and at a sample rate of 44,100. Enjoy!! (view less)

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