Item # 581817 | Customer Ratings: ( 4 Based on 6 reviews)

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ART ProMPA II - 2-Channel Tube Mic Preamp
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An affordable high-performance, 2-channel microphone preamp.

The new ART ProMPA II is the next generation in affordable high performance microphone preamp technology. Each microphone input circuit, with selectable 48v phantom power, features variable input impedance which can radically vary the overall performance of any high quality dynamic or ribbon microphone. The ProMPA II can be configured for dual mono or stereo operation with selectable mid/side mic support, summing the adjacent channel, to decode left/right signals.

The ProMPA II can operate at either a low or high plate voltage on the two integrated hand-selected 12AX7 tubes for wider variation of preamp tone and performance. Large back-lit analog VU output meters display input or output levels while multi-colored LED arrays, with average or peak hold, show tube gain.

Housed in a standard 2 rack unit space rack-mountable steel chassis, with CNC routed black anodized aluminum face panel, the ProMPA II is designed to deliver years of reliable operation in the studio, production facility, or on the road for live sound reinforcement.

ART ProMPA II - 2-Channel Tube Mic Preamp Features:

  • Variable Input Impedance For Flexible Microphone Voicing (150 Ohms To 2400 Ohms)
    Selectable Plate Voltage
    Large VU Meters
    Backlit Function Switches
    Discrete Class-A Input Microphone Preamplifier
    Low Noise at Lower Gain Settings
    Extremely Low Total Harmonic Distortion (THD)
    Wide Frequency Response
    Additional Front Mounted Instrument Input Jack
    Supports Mid/Side Miking Technique
    Operates at +4dbm/-10dbv Output
    Selectable Stereo/Dual Operation of Output Controls
    Automatic Instrument Input Selection

ART ProMPA II - 2-Channel Tube Mic Preamp Specifications:

  • Frequency Response 15Hz to 48 kHz (+0, -1dB) @ normal plate voltage
    15Hz to 120 kHz (+0, -1dB) @ high plate voltage
    Dynamic range: >110dB ("A" weighted)
    CMRR: >90dB
    THD: <0.005% (typical)
    Equivalent Input Noise: -129dBu (XLR, "A" weighted)
    Maximum Input Level: +19dBu (cannon)
    Maximum Instrument Input: +17dBu
    Input Impedance: 150-3000 Ohms adjustable (XLR)
    >800K Ohms (Instrument)
    Maximum Output Level: +27dBu (XLR)
    Output Impedance: < 47 Ohms (XLR)
    Maximum Gain: 75dB
    Meter Calibration: 0 VU = +4dBu output (+4dB mode)
    0 VU = -10dBV output (-10dB mode)
    High Pass Filter: single pole, 10-200 Hz adjustable
    Power Requirements: USA - 105 to 125 VAC / 60 Hz Export units configured for country of destination
    Dimensions: (H x W x D in) 3.50 x 19.0 x 8.75
    Dimensions: (H x W x D mm) 88 x 482 x 222
    Weight: (lb/kg) 10.5 / 4.7

ART ProMPA II - 2-Channel Tube Mic Preamp

In general - one year warranty for equalizers, power conditioners, and personal processors.
3 year warranty for TPS, DPS, and studios.
5 year warranty for pro gear.
Check with manufacturer for specific product warranty.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 6 reviews)
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  • YOU Need one of These!!!

    As reviewed by Cliff on 1/15/2011

    WOW... I just bought one of these Pre-amp units for my Studio. I had read reviews about how great this was, and it lives up to them all. I took the advice of others and changed the stock tubes out right away. I used the (Tung-sol 12ax7) tubes as recommended by other reviews, and they have proven to be a good choice as well. For Acoustic Guitar Recording you are not going to find a better sound anywhere near this price! Reallly great pre... can't say eoungh about how much I love this unit. it has great warmth and presence and almost no noise at all. Very Quiet and Clean even when cranked. So versitle, so easy to use... Get one for your studio!

    5 of 5 people found this review helpful.
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  • If your buying this buy some decent 12ax7s to replace the stock tubes

    As reviewed by Clayton Stokes on 10/23/2013

    Was in the studio 3 months and was tracking drums one day and blew one channel's tube opened it up and they were CHINESE tubes... so there's the first problem Do yourself a favor when you buy this go find yourself a matched pair of russian american or better yet JAN 12ax7 vaccum tubes cause your going to blow through the stock Chinese tubes just like i did. Besides that it works fine just have to be careful with that gain.

    3 of 3 people found this review helpful.
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  • Great for the money!

    As reviewed by Steve on 2/26/2011

    I've had my PRO MPA II for about a week now, and I'm very happy with it so far. The sound quality and warmth are great for what it is. It's not a Focusright, but it's also less than $300! I've run some guitar processor's directly into it for recording and it works great, as does running a Bass with active p'ups. I've also run an SM57 and AKG Perception 220 through this, and they both sound good! A great buy for home recording.

    3 of 3 people found this review helpful.
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Questions about the ProMPA II - 2-Channel Tube Mic Preamp (581817)

PO Box 4769
Westlake Village, CA 91359
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