Studio & Recording / Preamps & Channel Strips
Presonus Studio Channel: 1-Channel Vacuum-Tube Channel Strip
The 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. Presonus's 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 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. The three-band equalizer in the 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.
The 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. Presonus's 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 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. The three-band equalizer in the 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.
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Product Information
Technical Specifications
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General |
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Channels |
1 |
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Dynamic Range |
>115 dB |
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Frequency Response |
10 Hz to 50 kHz |
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Internal Operating Level |
0 dBu = 0 dB |
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Microphone Preamp |
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Gain |
-6 dB to +66 dB (± 10 dB trim on line input) |
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Noise Floor |
-96 dBu |
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EIN |
-126 dB |
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THD + Noise (0% Tube Drive) |
< 0.050% |
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THD + Noise (100% Tube Drive) |
< 0.10% |
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Microphone Input Connector |
XLR |
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Microphone Input Impedance |
1.3 kΩ |
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Instrument Input Connector |
¼” TS |
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Instrument Input Impedance |
1 MΩ |
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Line Input Connector |
¼” TRS |
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Line Input Impedance |
10 kΩ |
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Phantom Power (switchable) |
+48V |
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Pad (switchable) |
0 dB / -20 dB |
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Phase (switchable) |
0°, 180° |
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High-pass filter (switchable) |
-3 dB at 80 Hz |
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Compressor |
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Threshold (variable) |
-40 dBu to +-2 dBu |
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Ratio (variable) |
1-10 (1:1 to 10:1) |
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Attack (variable) |
0.1 to 200 ms |
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Release (variable) |
0.05 ms to 3S |
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Gain Makeup |
-10 dB to +10 dB |
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Metering |
Analog VU (Gain Reduction / Output) |
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Equalizer |
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LF Band Controls: |
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Frequency |
Variable from 40 Hz to 500 kHz |
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Gain |
Variable between ±10 dB |
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Q |
0.7 (on Peak setting) |
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MF Band Controls: |
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Frequency |
Variable from 200 Hz to 3 kHz |
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Gain |
Variable from -10 dB to +10 dB |
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Q |
Variable from 0.7 to 2.5 |
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HF Band Controls: |
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Frequency |
Variable from 2 kHz to 20 kHz |
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Gain |
Variable between ±10 dB |
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Q |
0.7 (on Peak setting) |
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Master |
|
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Output Fader |
-80 dB to +10 dB |
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Output Connectors |
XLR Balanced and ¼” TRS Balanced/Unbalanced |
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Output Impedance |
51Ω |
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Metering (Output level) |
Analog VU (-20 dBu to +6 dBu) |
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Metering (Gain Reduction) |
Analog VU -20 dB to 0 dB |
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Output Headroom |
+22 dBu |
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Power Supply |
|
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Type |
Linear |
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Input |
16 VAC / 1000 mA |
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Power Requirements (Continuous) |
16W |
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Transformer |
External (country specific) |
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Physical |
|
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Dimensions |
1U rackmount |
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Height |
1.75” (44.45 mm) |
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Depth |
5.5” (139.7 mm) |
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Width |
19” (482.6 mm) |
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Weight |
5 lbs. (2.27 kg) |