PreSonus Studio Channel Tube Channel Strip


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Product Code: 9999-04586
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The PreSonus Studio Channel Tube Channel Strip is a 1-channel vacuum-tube channel strip designed to make everything sound better! Combining Class A tube preamplifier, VCA-based compressor and three-band parametric equalizer, it is perfect for the professional and project studio.

The PreSonus Studio Channel Tube Channel Strip is a wonderful studio tool. Great for live performance, too. Featuring tube preamplification, a VCA-based compressor, and three-band EQ, it delivers a huge variety of timbres. Produce luscious, in-your-face vocals, dynamic acoustic piano, and fat, solid bass guitar, not to mention crystal-clear acoustic guitars and cracking snare.

Impressive Headroom And A huge Variety of Fat Sounds
The PreSonus Studio Channel’s Class A preamplifier starts with 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. A -20 dB pad, 80 Hz highpass filter, and polarity reverse let you tweak your signals to sit properly in the mix.

Fast, Smooth, Musical VCA Compression
This 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 PreSonus Studio Channel’s compressor allows you to record blazing-hot signals with accurate dynamics control. In addition to ratio, threshold, attack, release and gain controls, it offers a convenient Auto Attack/Release feature with preset attack and release curves. The backlit VU meter can display gain reduction or output gain.

Sweet Three-Band EQ—Before or After the Compressor
The three-band equalizer in the PreSonus Studio Channel is a precision tool, with the ability to carve out unwanted frequencies as well as tailor your tone to enhance your sound. The EQ can be pre- or post-compressor, and you can bypass each stage independently. Custom-designed amplifiers deliver sweet-sounding gain and cut for smooth highs; deep, solid lows; and clear midrange. The midrange band is fully parametric, with variable Q, while the high- and low-frequency bands are semi-parametric, with Frequency and Gain controls but fixed Q, and can be either shelving or peak bands.

Tasty Spices that Work with Virtually Everything
In the lunch room at PreSonus’® Baton Rouge headquarters, it’s an article of faith that Cajun spices taste great with almost everything. The PreSonus Studio Channel is equally versatile, delivering great sound for virtually any type of recording or live music. And with separate XLR mic, balanced ¼-inch line, and unbalanced ¼-inch instrument inputs and balanced XLR and ¼-inch outputs, you can connect it to almost any recording interface, amp, or P.A. This really is an Anywhere Channel!

PreSonus Studio Channel Tube Channel Strip Features

  • 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)
  • Input/Output
    • 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
  • Physical
    • 1U 19” rack-mountable, rugged steel chassis
    • Sealed, detented, metal rotary controls
    • External 16 VAC power supply

PreSonus Studio Channel Tube Channel Strip Specifications

  • General:
    • Channels: 1
    • Dynamic Range: >115 dB
    • Frequency Response: 10 Hz to 50 kHz
    • Internal Operating Level: 0 dBu = 0 dB
  • Microphone Preamp:
    • Gain: -6 dB to +66 dB (± 10 dB trim on line input)
    • Noise Floor: -96 dBu
    • EIN: -126 dB
    • THD + Noise (0% Tube Drive): < 0.050%
    • THD + Noise (100% Tube Drive): < 0.10%
    • Microphone Input Connector: XLR
    • Microphone Input Impedance: 1.3 kO
    • Instrument Input Connector: ¼” TS
    • Instrument Input Impedance: 1 MO
    • Line Input Connector: ¼” TRS
    • Line Input Impedance: 10 kO
    • Phantom Power (Switchable): +48V
    • Pad (Switchable): 0 dB / -20 dB
    • Phase (Switchable): 0°, 180°
    • High-Pass Filter (Switchable): -3 dB at 80 Hz
  • Compressor:
    • 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
    • Metering: Analog VU (Gain Reduction / Output)
  • Equalizer:
    • LF Band Controls:
      • Frequency: Variable from 40 Hz to 500 kHz
      • Gain: Variable Between ±10 dB
      • Q: 0.7 (on Peak Setting)
    • MF Band Controls:
      • Frequency: Variable from 200 Hz to 3 kHz
      • Gain: Variable from -10 dB to +10 dB
      • Q: Variable from 0.7 to 2.5
    • HF Band Controls:
      • Frequency: Variable from 2 kHz to 20 kHz
      • Gain: Variable Between ±10 dB
      • Q: 0.7 (on Peak Setting)
  • Master:
    • Output Fader: -80 dB to +10 dB
    • Output Connectors: XLR Balanced and ¼” TRS Balanced/Unbalanced
    • Output Impedance: 51O
    • 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:
    • Type: Linear
    • Input: 16 VAC / 1000 mA
    • Power Requirements (Continuous): 16W
    • Transformer: External (Country Specific)
  • Physical:
    • Dimensions: 1U Rackmount
    • Height: 1.75” (44.45 mm)
    • Depth: 5.5” (139.7 mm)
    • Width: 19” (482.6 mm)
    • Weight: 5 lbs. (2.27 kg)

PreSonus Studio Channel Tube Channel Strip Includes

  • 1 x PreSonus Studio Channel Tube Channel Strip
  • 1 x 16VAC 1000mA Power Supply
  • 1 Year Warranty

2 Reviews Hide Reviews Show Reviews

  • 4
    Change the Tube and hope you don't get a lemon
    Chad Nedohin

    I had a couple months with one of these in my studio. First off, I ended up changing the tube for a high end one. The sound went from flubby and poorly defined, to clear and well rounded. It has lots of gain and all the features one could want in a budget channel strip. With a new tube, this will take your recordings to a new level. But... I had problems with the unit I owned. It was really, really noisy. The channel strip is designed to be low noise, but I must have had a lemon. The noise was especially prevalent when the compressor and EQ were engaged.

  • 4
    Great for acoustic guitar

    This is a really nice little box. I use it for gigging with just an acoustic guitar. I can dial in the EQ I need (really versatile with the optional LPF, HPF, and notch filter). The compression is nice too. The preamp tube can be pushed to the point where it's noticeable, but it won't give you any real dirt; it mostly just adds a degree of warmth. I only wish there were an instrument input on the back of the unit (the line in jack bypasses the preamp, I believe).