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Product 581817

Open-Box ART ProMPA II - 2-Channel Tube Mic Preamp

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The new ART ProMPA II is the next generation in affordable high performance microphone preamp technology. Each microphone input circuit, with selecta...Click To Read More About This Product

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OVERVIEW

(Open Box) 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.


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
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
Reviews
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Review Snapshot

by PowerReviews
ARTProMPA II - 2-Channel Tube Mic Preamp
 
4.1

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (8)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

82%

of respondents would recommend this to a friend.

Pros

  • Good audio (11)
  • Easy to use (9)
  • Professional functions (9)
  • Versatile (8)
  • Good power output (7)

Cons

No Cons

Best Uses

  • Home studio (9)
  • Professional recording (8)
  • Amateur recording (7)
  • Outdoor events / games (3)
  • Performances (3)
    • Reviewer Profile:
    • Experienced (6), Professional musician (6)

Most Liked Positive Review

 

What A Game Changer...AWESOME SOUND..!!!

IF you have a mixer, then you KNOW what your preamps sound like on your mixer. Do you want to bump up your game? This preamp will change everything. I run this through...Read complete review

IF you have a mixer, then you KNOW what your preamps sound like on your mixer. Do you want to bump up your game? This preamp will change everything. I run this through a mic pre on my mixing board, with the gain on that board mic pre at 0db gain. I use the gain on this unit, put the settings the way they sound good to me and WOW. since there are 2 tubes in this unit, I changed 1 tube in channel 1 for a Mullard 12ax7, left the stock tube in channel 2 to compare the two tubes. You will have to make your own judgement on what you want, but, I can tell you, this unit is amazing. I can't believe how much an external preamp can change the sound of a microphone...amazing...Bottom line, I can run this preamp through my board and use the processing on the board along with this preamp...I am amazed...what a difference in sound..

VS

Most Liked Negative Review

 

ART rubbish

A considerable numbe or ART preamps suffer from poor shielding in the power transformer which causes an acute buzzing. Our studio bought four of the devices and two of them suffered from this problem....Read complete review

A considerable numbe or ART preamps suffer from poor shielding in the power transformer which causes an acute buzzing. Our studio bought four of the devices and two of them suffered from this problem. ART and Thom Davis refused to honor the 3year warrantee. This company and the people in it build cheap, poorly conceived rubbish. Make your own mind up about ART but we will never deal with them again

Reviewed by 16 customers

Displaying reviews 1-16

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(10 of 10 customers found this review helpful)

 
5.0

get one

By juju

from Oklahoma City, OK

Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

we have in the studio a UNIVERSAL AUDIO la 610 an this unit ART pro mpa ii,they truley sound alike, no difference.we put both of these up aginst each other an they both sound great.i try not to get caught up in the popularity contest,because that what most of this is but this art sound just as good as the ua la610

(6 of 6 customers found this review helpful)

 
5.0

You need one of these!!!

By Anonymous

from Undisclosed

Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

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 8 customers found this review helpful)

 
4.0

It works...

By random dude

from here

See all my reviews

Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

So, this preamp boasts it's a tube with digital ADAT and SPDIF outputs. Well, there's good and bad to this: The Good- it's tube, so it does sound warmer...especially when you play with the impedence knobs. The digital outs make this a pretty versitile unit. Quite handy indeed.The Bad- the tubes are extremely cheap. change them, but don't use grove tubes. go with maybe tung-sols. also i suggest 12AT7 vs 12AX7s.Also, the digital outs are ok...when they sync up. I have to play with mine for a minute just to sync up correctly with my Motu 2408. It eventually gets there and sounds fine, but it's kinda a hassle. The analog out sounds really good though. Overall, this is definitely a fantastic unit for the price. Maybe not quite high-end studio stuff, but really good for upper end home or low budget studios.

(4 of 4 customers found this review helpful)

 
5.0

What A Game Changer...AWESOME SOUND..!!!

By lone waudy

from port richey, florida

About Me Experienced

Pros

  • Clear Sound
  • Easy To Use
  • Powerful
  • Professional Functions

Cons

    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Mobile DJ
    • Performances
    • Professional Recording

    Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

    IF you have a mixer, then you KNOW what your preamps sound like on your mixer. Do you want to bump up your game? This preamp will change everything. I run this through a mic pre on my mixing board, with the gain on that board mic pre at 0db gain. I use the gain on this unit, put the settings the way they sound good to me and WOW. since there are 2 tubes in this unit, I changed 1 tube in channel 1 for a Mullard 12ax7, left the stock tube in channel 2 to compare the two tubes. You will have to make your own judgement on what you want, but, I can tell you, this unit is amazing. I can't believe how much an external preamp can change the sound of a microphone...amazing...Bottom line, I can run this preamp through my board and use the processing on the board along with this preamp...I am amazed...what a difference in sound..

    (4 of 13 customers found this review helpful)

     
    1.0

    Look elsewhere

    By Data-Bank-A

    from Lowell, MA

    See all my reviews

    Ask me a question

    Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

    I tried various signals without finding anything that sounded good through it. I was better off sending signals straight to mixer's preamps. So I returned it.
    Pretty basic features, the same as any basic preamp. Nothing stands out as better or worse than others in this price range.
    The build quality looked good until I turned a knob and it came off in my hand. I had to return it. Too bad; the rest of the unit appeared solidly built.
    I found the sound to be thin, lacking depth and body. The lows were missing, the gain had to be turned almost all the way up to hear it. And there was no audible "tube quality" to the sound, no warmth, no defiinition.

    (3 of 3 customers found this review helpful)

     
    5.0

    Art PRO MPA II Review

    By KAL

    from Chippewa Falls, WI USA

    About Me Experienced

    See all my reviews

    Ask me a question

    Verified Buyer

    Pros

    • Clear Sound
    • Easy To Use
    • Professional Functions
    • Versatile

    Cons

      Best Uses

      • Amateur Recording
      • Events
      • Home Studio
      • Mobile DJ
      • Performances
      • Professional Recording

      Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

      Very pleased with this device. Great value (i.e. - price, feature rich, great quality). This preamp can be used for a variety of applications and recording setups. It has some features that high-end preamps include. Keep in mind, this preamp is definitely low-end at all. In my perception and opinion, it is situated in the upper-middle category. As mentioned above, the price is very attractive for what you get.

      At the time of this review, I am been using it for approximately 2+ weeks. Stellar results. The tubes that ship with it are Chinese (which sound fine for what I have used this device on thus far). Perhaps in the future, it would be interesting to see what other variations of the 12xx7A family of preamp tubes sound like as well as some other tube manufacturers.

      Overall, without having to change anything, I have been very pleased with the results right-out-of-the box.

      .

      (2 of 2 customers found this review helpful)

       
      5.0

      Happy with performance.

      By tboy

      from Alberquerque, NM

      About Me Experienced

      See all my reviews

      Ask me a question

      Verified Reviewer

      Pros

      • Clear Sound
      • Easy To Use
      • Powerful
      • Professional Functions
      • Versatile

      Cons

        Best Uses

        • Amateur Recording
        • Home Studio

        Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

        Had to return first unit...analog meters not working...stuff happens. MF set up the return with no problem...as always.
        Second unit arrived and was in good order. I already had two TUNG-SOL 12AX7 tubes and made the replacement. Is it an improvement? I don't know but I did it because others say it is worth it and I can afford the cost.
        This preamp smoothed out everything I put in it. I was hoping for a string bass improvement and it was there. This preamp is a nice upgrade and would buy again.

        (2 of 2 customers found this review helpful)

         
        5.0

        I would recomend this product

        By R.C. Pickens

        from Las Vegas,Nv

        About Me Professional Musician

        Verified Buyer

        Pros

        • Clear Sound
        • Easy To Use
        • Powerful
        • Professional Functions
        • Versatile

        Cons

          Best Uses

          • Events
          • Home Studio
          • Performances
          • Professional Recording

          Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

          I use this unit for both my home studio and my live shows, I really like that it improves the headroom of my live mix and it makes my vocals clearer, smother and warmer.

          (2 of 2 customers found this review helpful)

           
          5.0

          Awesome mic preamp for the money

          By G

          from AL

          About Me Professional Musician

          See all my reviews

          Pros

          • Clear Sound
          • Easy To Use
          • Powerful
          • Professional Functions
          • Versatile

          Cons

            Best Uses

            • Home Studio
            • Professional Recording

            Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

            Purchased the Pro MPA to use on top of the Pro VLA and the combination is perfect. Clear crisp vocal sounds as a mic preamp. Great buy for the money.

            (2 of 2 customers found this review helpful)

             
            4.0

            Sounds great

            By Jisch

            from NE USA

            About Me Experienced

            See all my reviews

            Ask me a question

            Verified Buyer

            Pros

            • Clear Sound
            • Easy To Use
            • Versatile

            Cons

              Best Uses

                Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                I bought the MPA for use as a preamp in my basement recording studio. This is my first external preamp so I don't have a lot to compare it to except the inboard preamps in my mixers. I find it quiet, easy to use and easy to get the sound I want for vocals, guitars and bass. I was hoping I wouldn't get lost in all the knobs, and I haven't had an issue at all. I pair this up with an ART VLA compressor and get some really deep, warm, natural sounding vocals.

                I looked at a lot of reviews and I feel like this was a good value.

                (1 of 1 customers found this review helpful)

                 
                4.0

                Very nice for certain applications

                By Matt

                from Seattle

                About Me Experienced

                See all my reviews

                Ask me a question

                Verified Reviewer

                Pros

                • Professional Functions
                • Versatile
                • Warm Sound

                Cons

                • Attenuated Frequency Response
                • Only one tube per channel

                Best Uses

                • Acoustic DI
                • Vocal Ribbon Mic

                Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                My favorite use is acoustic guitar DI. This pre adds a layer of complexity in the mids not generally heard from solid state pre's. Big, warm and almost punchy, especially good for finger picking and light strumming. Pops the acoustic forward in the mix. Not ideal for background acoustic tracks (better to use a solid state pre in that application). 2nd fav is vocals with a ribbon mic (in my case the AEA N22). Sounds sweet, intimate and vintagey. Definitely will find its way into my lead tracks. Fav settings are high plate voltage with impedance at 300 ohms (9 o'clock), +20 dB switch in and gain between 10 o'clock and 4 o'clock. Be warned, though, high voltage with high gain setting can burn out tubes fast. I replaced the stock China 12ax7's with Ruby tubes and it sweetened the sound considerably. JJ's or Tungsol's would also be good choices on a budget. But here's my complaint. Only 1 tube per channel. Any decent guitarist or tube pre enthusiast knows you need 2 or more tubes in a pre for it to sound best. Heck, the squeaky clean 1960's Marshalls had 3 tubes in the preamp. 3! Come on, ART. You can add MORE. It would sound richer. But they get a lot of sound out of 1 so I digress. Also, there is noticeable attenuation at the top and bottom of the frequency spectrum. Not sure if that's a side effect of 12ax7's or designed to reduce the noise floor. 12ax7's are noisy suckers for sure. All in all, it's a nice dual pre for the price and I am happy with it. :-)

                (1 of 1 customers found this review helpful)

                 
                4.0

                Very Happy So Far

                By budTunes

                from St Louis, MO

                About Me Professional Musician

                See all my reviews

                Ask me a question

                Pros

                • Clear Sound
                • Easy To Use

                Cons

                  Best Uses

                  • Professional Recording
                  • Recording Acoustic Guitar
                  • Recording Piano

                  Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                  I bought this unit to improve acoustic guitar and piano recordings. I've only worked on a couple of demos with it so far but am very happy. The acoustic guitar especially has a much more vibrant, warm sound with plenty of level. I'm just using an Audio Technica 20-20 condenser mic plugged straight into one side of the PROMPA II - 2-CHANNEL TUBE MIC PREAMP and then into my Presonus Firetube interface. I'm using Cubase 5 software. Everything is the same as what I used on my last two CDs except for the addition of this unit and it sounds so much better. By the by, I'm using a Taylor acoustic and am surprised at how full and warm the sound is.

                  (1 of 3 customers found this review helpful)

                   
                  3.0

                  My Experience

                  By pH2Oville

                  from Waterville, ME

                  About Me Professional Musician

                  See all my reviews

                  Pros

                    Cons

                    • Not Enough Oomph

                    Best Uses

                    • Amateur Recording
                    • Home Studio

                    Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                    I ordered a restock, tried & returned it, basically due to the following: to get decent levels I had to max everything, then some noise was audible. I may have received a sub-par unit? All I know is I own a Pro Channel (previous version) , which I would suggest over this. If you absolutely need dual channels in one unit, there are better options, but you will pay more.

                    (1 of 1 customers found this review helpful)

                     
                    4.0

                    Real Tube Warmth

                    By UKNOWATT

                    from Mendocino Ca.

                    About Me Professional Musician

                    See all my reviews

                    Verified Buyer

                    Pros

                    • Clear Sound
                    • Easy To Use
                    • Powerful
                    • Professional Functions

                    Cons

                    • Limited Functions

                    Best Uses

                    • Amateur Recording
                    • Home Studio
                    • Professional Recording

                    Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                    Right Out of the box The Art was a great tool for mic'ing acoustic guitar and dobro. It added great warmth to the Two Shure condensers I normally use for this application. Plenty of headroom and a monkey can operate this tube pre

                     
                    1.0

                    ART rubbish

                    By Jamsessions

                    from Australia

                    About Me Professional Musician

                    Pros

                    • Clear Sound
                    • Powerful
                    • Professional Functions
                    • Versatile

                    Cons

                    • Breaks Easily
                    • Poor Quality Duplicates
                    • Unreliable

                    Best Uses

                    • Amateur Recording
                    • Home Studio
                    • Professional Recording

                    Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                    A considerable numbe or ART preamps suffer from poor shielding in the power transformer which causes an acute buzzing. Our studio bought four of the devices and two of them suffered from this problem. ART and Thom Davis refused to honor the 3year warrantee. This company and the people in it build cheap, poorly conceived rubbish. Make your own mind up about ART but we will never deal with them again

                     
                    5.0

                    Replacing a preamp

                    By KG6ZDL

                    from Richmond, Ca

                    About Me Experienced

                    Verified Buyer

                    Pros

                    • Bright and clean
                    • Clear Sound
                    • Easy To Use
                    • Powerful
                    • Professional Functions
                    • Versatile

                    Cons

                      Best Uses

                      • Amateur Recording
                      • HiFi transmitters
                      • Home Studio
                      • Professional Recording

                      Comments about ART ProMPA II - 2-Channel Tube Mic Preamp:

                      It can run a wide range of mic impedances. The sound is bright and clean. It replaced a mic2200.

                      Displaying reviews 1-16

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