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SKU
37959
UnderTone Audio MPDI-4 Four-Channel Microphone Preamp
19” rack mount Class A four-channel mic preamp and DI
MFR# MPDI-4
Product Description
The Power Of Flexibility And Control
Created by Eric Valentine’s UnderToneAudio, the MPDI-4 is a mic pre for audio enthusiasts who like to have lots of control over the recording process. With a limitless amount of options for developing different sounds, this single rack space unit actually has four individual mic pre/DI circuits. Each input is versatile and can be used as a ¼” or XLR connection to make plugging in that much easier.
Vintage Meets New
With the goal of creating a preamp that matches classic consoles, while still offering digital audio cleanliness, UTA has brought a wide sonic palette to the table. Utilizing the same pre amp circuitry as their signature mic pre featured in the MPEQ-1, this new innovation builds off the original with some added extra special features. Thanks in part to a plethora of front panel options, the unit is capable of creating everything from organic distortion to crisp, clean audio with maximum headroom/minimum harmonic distortion.
Front Panel Glory
The MPDI-4 is one preamp that can fit into any studio situation. The output transformer is bypass-able via a switch on the front panel (instead of having an alternate output on the back), while a “load” switch adds extra harmonic coloration to the circuit. Via the unit’s output pad, engineers can drop the level by 10dB, making it possible to hit the mic pre harder and not clip digitally on your DAW. The traditional Mic Gain rotary switch offers gain in 5dB steps from -10 dB to -60db.
Product Specifications
| Condition | New |
|---|---|
| Channels | 4-Channel |
| Chassis | 19-inch Rack-mount |
| Module Slot Count | 1 Slot |
Product Reviews
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Incredible mic pre with maximum versatility.
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Amazingly Versatile Preamp! Like having Neve, API & Avalon All in one. Hope to pick up another one in the future.
Eric & Larry are Bad A$$ gear gurus! -
My favorite pre for drums.
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Amazing piece of gear ! Very versatile. Punch, clarity and also lots of personality. I’m thinking about getting more of those !
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Meets and exceeds all expectations!!! A super versatile, reliable unit that delivers a great sound every time. Looking forward to getting a couple more of these.
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A transparent preamp with all the flexibility one could ask for. Pure efficiency in a 1U rack.
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Awesome preamps
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The ability to drive the pres on drums makes them a rock drum punch machine. You can get all sorts of tones based on how hard you drive them. I got hip to them after seeing that one of my favorite studios, the Blasting Room, in Fort Collins, CO had a full on rack of these units. Scotty from VK (great guy BTW) hooked up a demo for me and man was I blown away! Now I just need to sell more gear so that I can afford another unit! I can't use anything else on drums after these.
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Related Blog Posts
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Buyer's Guide: Microphone Preamps
03.15.2019Read More
A crucial link in the audio chain is the microphone preamplifier, aka the mic preamp or mic pre. The output level of a microphone is very low and requires amplification to bring it up to line level. That’s what a mic pre does. But a mic preamp can’t drive a pair of speakers; that’s the job of the main amplifier.A key part of the job for a mic pre is to keep input noise to a minimum and to amplify without distortion.
Being the first amplification stage of the microphone signal, the mic preamp is essential to getting a good sound. Choose a poor one and you’ll be working harder to overcome its limitations. Choose a good one and processing your sound will get a lot easier. But what are the differences between average preamps and better ones? Let’s look at some of them. Continue reading →
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