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Mini-MP 2-Channel Analog Mic/Instrument Preamp

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Overview

Professional recording quality and features at project studio prices from Apogee.

The Apogee Mini-MP preamplifier takes the reference quality of the Trak2 and the premium Mini-Me preamps to the next level.

The preamp offers an amazing-sounding, affordable, portable mic preamp that is an ideal addition to Apogee conversion systems, mobile studios and pro recording facilities. Just like its Mini-Series siblings, the Mini-MP gives you Apogee quality, without compromise, that you can take anywhere.

You've Got Gain
The Mini-MP features two individual ultra-fast, high-gain and low-distortion preamps, each providing an awesome 75 dB of gain. Adjustment is step-less via a single control knob, so there's no need for pads or other types of noisy switch mode gain adjustments. Another great advantage of a stepless gain control is the ability to adjust levels on the fly without pops and other audible gain. The ultra-linear gain control is also a very useful tool for those who like to "ride" the gain, making the unit a perfect solution for both studio and on-location recording.

Additionally, the Mini-MP Preamp provides a stereo master output gain control. This enables the Mini-MP to feed all types of audio equipment, balanced or unbalanced, from consumer to professional grade.

Keep the Noise Down
A problem with many mic preamplifiers is the noise and distortion they add to the signal. Not the Mini-MP. To maintain a crystal clear, ultra-low distortion audio path, all required switching is accomplished by gas-filled relays, and the use of capacitors in the audio chain has been limited to separating phantom power from the active circuitry only. This results in a considerable reduction in unwanted distortion and provides the clean sound you'd expect from a premium pre-amp.

Ins and Outs
The microphone inputs on the Mini-MP can handle levels up to +18dBu, giving you plenty of headroom. The Mini-MP also offers auto-selected High-Z inputs for instruments and consumer level equipment. This is a great feature for going direct from guitar, bass (or direct out from an amp), and keyboard to your recording device.

On the output side, the Mini-MP uses Apogee's newly developed electronically balanced line drivers which were designed for the Mini-DAC and simulate true transformer behavior. The result is perfect symmetry when used in balanced mode (even with an unsymmetrical load) and no increased distortion when used unbalanced. This circuitry is an ultra low output impedance, high current driver, capable of running levels up to 26dBu to the most complex or low impedance loads, as found in many recording studios utilizing vintage audio-equipment.

Middle-Side Mode
Another exciting feature of the Mini-MP is the selectable Mid-Side (MS) matrix decoder mode. MS is great for recording audio using an MS-configured mic setup, preserving total mono-compatibility or for changing the stereo width of existing L-R recorded material.

The Apogee Mini-MP can run as two completely individual pre-amps or in the Mid-Side mode, where the left channel will be the "Mid" and the right channel the "Side. " In this mode the left output is the "sum" and the right output the "difference. "

Phase, Phantom Power and High-pass filter
The Mini-MP Preamplifier includes a phase switch, phantom power, and a selectable 80Hz High-pass filter with a roll-off of 18dB/oct per channel. Mini-MP's High Pass filter works wonders for vocals, eliminating unwanted lows.

Easy on Energy
The Mini-MP has been specially designed for both field and studio recording, resulting in a premium pre-amp with low power consumption. The Apogee Mini-MP is not critical about its power-supply at all; any DC voltage 6-14 Volt at 1 amp will be sufficient. This gives the Mini-MP owner total flexibility to select from many battery and third party power pack options and the freedom to record any place, anywhere.

Features

  • Superb two-channel microphone preamplifier with phantom power and HI-Z instrument inputs
  • Low distortion pre-amps with 75dB of gain. THD+N: ”105 dB at unity, -85 dB at 60 dB of gain
  • Ultra-linear gain control
  • Mid-Side (MS) feature
  • 80 Hz Hi-pass filter with a roll off of +18dB/oct
  • Low power consumption allowing the use of several types of batteries and third party power packs
  • Inputs: 2, combi-jack mic/line inputs (Hi-Z)
  • Outputs: 2, XLR analog out
Specs

Mini-MP 2-Channel Analog Mic/Instrument Preamp Specifications:

  • Pre-amp gain: 0”70 dB
  • Output gain: nominal +6 dB
  • Max input level: +18 dBu
  • Max output level, ll @ THD+N <= -98 dB:
  • 26 dBu in 100k Ohms
  • 24 dBu in 600 Ohms
  • 21 dBu in 300 Ohms
  • THD+N:
    • -105 dB at 0 dB of gain
    • -96 dB at 40 dB
    • -85 dB at 60 dB
    Bandwidth:
    • 2.5 -
      > 200kHz(-.5 dB) at 0 dB gain
    • 4 ” 160 kHz (-3 dB) at 40 dB
    • 4 ” 92 kHz (-3 dB) at 60 dB
    • EIN:
      <124 (22-22 kHz) 150 Ohms
    Input impedance:
    • Balanced: 1.6k Ohms
    • Unbalanced HI-Z: 2.2 M Ohms
    • Output Impedance: 25 Ohms
    HPF:
    • 18 dB/oct ( 3rd order Butterworth)
    • -3dB at 80 Hz
    • Phantom power: 48 Volt
    • Power: 6”14 VDC, 3W
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