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    PreSonus Studio Channel - Tube Channel Strip Preamp / Comp / EQ

    2 In Stock

    The Presonus Studio Channel will out-perform most audio-interface inbuilt preamps, whilst giving you the added flexibility of a VCA compressor and EQ section too. Very wise investment for those after an excellent recording channel on a budget. Class A circuitry and VU metering to top it off!


        The Anywhere Channel

        We admit it: we screwed up. We named this preamp and signal processor the Studio Channel, and indeed it’s a wonderful studio tool. But it’s great for live performance, too. So okay, we got the channel strip’s name wrong. But we got the design right.

        One of our newest signal processors, the versatile Studio Channel provides tube preamplification, dynamics processing, and EQ and takes the channel-strip concept in a bit different direction than does its older sibling, the Eureka.

        The Studio Channel’s Class A tube preamplifier is based on our original BlueTube DP preamp and features a high-output 12AX7 tube that operates on voltages double that of other preamplifiers in its class. The result is lots of headroom and big tone. Gain and Tube Drive controls enable a wide range of sounds, from transparent and clear to edgy and overdriven.

        Our VCA-based compressor is known for musicality and fast attack, with the ability to tame the fastest transients. From slap bass, to snare drum, to vocals, the Studio Channel’s compressor allows you to record blazing-hot signals with total dynamics control. Its convenient Auto Attack/Release feature provides preset attack and release curves. The backlit VU meter can display gain reduction or output gain.

        The custom-designed amplifiers in the Studio Channel’s three-band EQ deliver sweet-sounding gain and cut for smooth highs; deep, solid lows; and clear midrange. The midrange band is fully parametric, with variable Q. The high- and low-frequency bands have Frequency and Gain controls, but fixed Q, and can be either shelving or peak bands. The EQ can be pre- or post-compressor, and you can bypass each stage independently.

        With both XLR and ¼” line outputs, you can connect the Studio Channel to almost any recording interface, amp, or P.A. system. 

        What’s in a Name?

        With one multipurpose processor, you can elicit a huge variety of tones. Produce luscious, in-your-face vocals, dynamic acoustic piano, and fat, solid bass guitar, not to mention crystal-clear acoustic guitars, cracking snare, and huge MPC tracks.

        What’s in a name? That which we call the Studio Channel, live or in the studio, would sound as sweet.

        Feature Summary:

        1 channel with Class A 12AX7 vacuum-tube mic/instrument preamplifier
        Gain control with +10 dB to +54 dB gain range
        Tube Drive control
        48V phantom power switch
        80 Hz high-pass filter
        -20 dB pad
        Polarity-reverse switch

        Fully Variable VCA compressor
        Attack, Release, Ratio, Threshold, and (makeup) Gain
        Auto Attack/Release switch
        Soft/Hard Knee switch
        Bypass switch
        3-band parametric equalizer
        Gain, Frequency, and Q controls (mid band)
        Gain and Frequency controls (low and high bands)
        Shelving/peak switches (low and high bands)
        Switchable pre-/post-compressor
        Bypass switch

        Master level control

        Backlit VU meter
        Gain Reduction to Meter switch (selects gain reduction or output gain)

        1 unbalanced ¼” instrument input (front panel)
        1 balanced ¼” line input
        1 balanced XLR mic input
        1 balanced ¼” line output
        1 balanced XLR line output

        1U 19” rack-mountable, rugged steel chassis
        Sealed, detented, metal rotary controls
        External 16 VAC power supply


        Dynamic Range
        >115 dB
        Frequency Response
        10 Hz to 50 kHz
        Internal Operating Level
        0 dBu = 0 dB

        Microphone Preamp

        -6 dB to +66 dB (± 10 dB trim on line input)
        Noise Floor
        -96 dBu
        -126 dB
        THD + Noise (0% Tube Drive)
        < 0.050%
        THD + Noise (100% Tube Drive)
        < 0.10%
        Microphone Input Connector
        Microphone Input Impedance
        1.3 kΩ
        Instrument Input Connector
        ¼” TS
        Instrument Input Impedance
        1 MΩ
        Line Input Connector
        ¼” TRS
        Line Input Impedance
        10 kΩ
        Phantom Power (switchable)
        Pad (switchable)
        0 dB / -20 dB
        Phase (switchable)
        0°, 180°
        High-pass filter (switchable)
        -3 dB at 80 Hz


        Threshold (variable)
        -40 dBu to +-2 dBu
        Ratio (variable)
        1-10 (1:1 to 10:1)
        Attack (variable)
        0.1 to 200 ms
        Release (variable)
        0.05 ms to 3S
        Gain Makeup
        -10 dB to +10 dB
        Analog VU (Gain Reduction / Output)


        LF Band Controls:

        Variable from 40 Hz to 500 kHz
        Variable between ±10 dB
        0.7 (on Peak setting)

        MF Band Controls: 

        Variable from 200 Hz to 3 kHz
        Variable from -10 dB to +10 dB
        Variable from 0.7 to 2.5

        HF Band Controls:

        Variable from 2 kHz to 20 kHz
        Variable between ±10 dB
        0.7 (on Peak setting)


        Output Fader
        -80 dB to +10 dB
        Output Connectors
        XLR Balanced and ¼” TRS Balanced/Unbalanced
        Output Impedance
        Metering (Output level)
        Analog VU (-20 dBu to +6 dBu)
        Metering (Gain Reduction)
        Analog VU -20 dB to 0 dB
        Output Headroom
        +22 dBu

        Power Supply

        16 VAC / 1000 mA
        Power Requirements (Continuous)
        External (country specific)


        1U rackmount
        1.75” (44.45 mm)
        5.5” (139.7 mm)
        19” (482.6 mm)
        5 lbs. (2.27 kg)

        As a commitment to constant improvement, PreSonus Audio Electronics, Inc., reserves the right to change any specification stated herein at anytime, without notification.


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