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ART ProChannel II Channel Strip 

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The ART Pro Channel II uses second-generation discrete Class-A microphone preamp to provide clean, quiet gain while maintaining incredible transparen...Click To Read More About This Product

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OVERVIEW

Affordable, clean sounding channel strip with preamp, compressor, and semi-parametric EQ.

The ART Pro Channel II uses second-generation discrete Class-A microphone preamp to provide clean, quiet gain while maintaining incredible transparency. A powerful dynamics processor subtly controls transients and noise of the most demanding sources.

The ART Pro Channel II's semi-parametric EQ offers wide tune-ability and can be patched before or after the dynamics processor. Separate rear-mounted insert points allow patching in external signal processing gear immediately after the Mic preamp and before the EQ and dynamics processor. Both analog and LED meters provide a detailed indication of audio levels.

FEATURES
  • Variable input impedance for flexible microphone voicing
  • 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

Record crisp and clear sounds, at an affordable price.

SPECIFICATIONS

ProChannel II Channel Strip

  • Input Impedance
    Mic: 150 to 3.4K Ohms, variable
    Instrument: 2.5M Ohms
    Preamp Insert: .5K Ohms
    Output Impedance
    Balanced Output: 600 Ohms balanced
    Unbalanced Output: 300 Ohms
    Insert Outputs: 300 Ohms
    Frequency Response
    Analog In to Analog Out: 12Hz to 100kHz +0, -1dB
    THD @ 1kHz: <0.15% typical
    THD @ to to 20kHz: <0.033% typical
    Equivalent Input Noise
    Mic/Line: -128dBu, Input shortened, Max gain, "A" weighted
    Instrument: -109 dBu, Input shortened, Max gain, "A" weighted
    Maximum Input Level
    Mic: +18dBu balanced
    Instrument: +15 dBu
    Maximum Gain
    Mic: 70dB (XLR to balanced output)
    Instrument: 64 dB (1/4" to balanced output
    Maximum Output Level
    Balanced: +24 dBu
    Unbalanced: +20 dBu
    Output Level At Meter 0 VU: +4 dBu/-10dBV
    Preamp
    Microphone Gain: 0 dB to +56 dB
    Instrument Gain: +3 dB to +50 dB
    Low Cut Filter: 0 - 250 Hz, 1-pole, 6 dB/Octave
    EQ
    Boost/Cut: +/- 12 dB on each band
    Low Freq. Tuning: 40 / 120 Hz Selectable
    MID 1 Freq. Tuning: 20 Hz to 2 KHz continuously variable
    MID 2 Freq. Tuning: 200 Hz to 20 KHz continuously variable
    High Freq. Tuning: 6 KHz / 18 KHz Selectable
    Compressor / Limiter
    Attack Time: 250 uSec. to 100 mSec.
    Release Time: 00 mSec to 3 Sec.
    Compression Ratio: 2:1 to 30:1
    Dimensions (WxHxD): 19 x 3-1/2 x 9-3/16"
    Weight: 11 lb
    Power Requirements: USA - 105 to 125 VAC/ 60Hz
    Export units configured for country of destination.
Reviews
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Review Snapshot

by PowerReviews
ARTProChannel II Channel Strip
 
3.8

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

75%

of respondents would recommend this to a friend.

Reviewed by 4 customers

Displaying reviews 1-4

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(6 of 6 customers found this review helpful)

 
4.0

Good product and easy to use

By Mike

from Georgia

About Me Experienced

See all my reviews

Verified Buyer

Pros

  • Powerful
  • Professional Functions
  • Versatile

Cons

    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Performances

    Comments about ART ProChannel II Channel Strip:

    This preamp is easy to use and easy to figure out, but the analog VU meter on mine wasn't calibrated. There's a trim adjustment accessible on the front panel to calibrate it which is nice as the tubes performance will drift as they age, but it should have been calibrated to at least ballpark accuracy at the factory. The LED meter works fine though, so this is really just picking nits and has no effect on using the preamp. I don't have any really quiet places I can test this for noise performance, but for my home studio use noise hasn't been an issue.

    EQ works the way it should.

    The compressor sounds pretty good and it's easy to tell how much it's reducing the signal and with the bypass switch A/B testing the sound is easy. I could wish for a lower ratio, but 2:1 is fine and it's easy to make it sound transparent.

    The variable input impedance is a cool feature, as is the high/low plate voltage for the preamp tube. They make more difference than I thought in the way my mic sounds, so there's a lot of "tuning" available with those controls.

    (4 of 4 customers found this review helpful)

     
    4.0

    Hums... but is easily fixed.

    By Casey Butt

    from Hr. Grace, NL, Canada

    About Me Experienced

    Comments about ART ProChannel II Channel Strip:

    There are two resistors in the power supply that allow 120Hz signal to get onto the tube heater filaments - causing the hum that many people have problems with, particularly when these units are used at higher gains. You can't fix it by using balanced cables or hum eliminators, etc. But you can easily fix the problem at the source by snipping the two big 47ohm/5W resistors on the pcb (R245 & R41). Open the case, snip those resistors and the unit will have no hum or buzz. By the way, the original Pro Channel didn't have those resistors - they were added to the PCII - that's why the original PCs were quieter at high gain. I'd give the PCII 5 stars if it weren't for that design mistake in the power supply.

    (1 of 1 customers found this review helpful)

     
    5.0

    Lots of control

    By Mr Stev

    from Salem, OR

    About Me Novice

    Verified Buyer

    Pros

      Cons

        Best Uses

        • Amateur Recording
        • Home Studio

        Comments about ART ProChannel II Channel Strip:

        I've created a good sized bag of songs and figure it's time to see if this stuff is marketable. I purchased the first Pro Channel II ( PCII ) and it made lots of noise in the speaker/ daw, so I returned it and got my money back. Bought a different preamp that was hyped up big and matched my daw... but it did not seem to have as many features as this PCII, nor did I feel it made the sound as good, even though it was totally quiet.
        So I bought another PCII... This one is quieter with just a touch of hiss if you turn it up too much... so I'd say the hiss/ noise was manageable.
        I am a single singer/ acoustic guitar just beginning my recording(s). I'd say the PCII preamp has made the guitar sound vastly better, making the sounds clearer/ the control of the volume more controlled going into the daw... I felt the guitar sound was muddy and without definition before I bought the preamp.
        To sum it up... If you want a perfect preamp... you are going to pay a couple thousand ( more). If you have limited funds before you prove yourself, this is a good preamp for the job...

        Oh yeah, I've read one can change the China made tubes out for better. AND... They could have done better on the documentation, but it can be figured out.

        Steve Hightower

         
        2.0

        Great for that vintage hum and buzz

        By electronman

        from Calif.

        About Me Professional Musician

        See all my reviews

        Verified Buyer

        Comments about ART ProChannel II Channel Strip:

        It's really too bad because, aside from the hums and buzzes that come and go, it's a lovely unit for a crazy good price. Built like a tank, full-featured, sweet sounding -- and all but useless to me.

        I spent some hours troubleshooting, tried it in three different buildings, finally ran it powered by a sine wave inverter with no other power on in the building. Each configuration yielded a different combination of hums and buzzes, depending on which buttons were pressed, ground lifts, and the position of the output volume knob.

        Oddly, the unbalanced output was generally quieter than the balanced -- perhaps this is why it sometimes gets favorable reviews. Or perhaps it's a quality control problem. In any case, I've discovered multiple reviews describing the same problem.

        When the hum was absent, the tube saturation was luscious. But it went back to the store...

        Displaying reviews 1-4

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