PreSonus Studio Channel
Studio Channel: 1-Channel Vacuum-Tube Channel Strip
Studio Channel: 1-Channel Vacuum-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
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 kΩ
Instrument Input Connector: ¼” TS
Instrument Input Impedance: 1 MΩ
Line Input Connector: ¼” TRS
Line Input Impedance: 10 kΩ
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: 51Ω
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)