ערוץ כניסה מושלם PreSonus Studio Channel

FL-D

Studio Channel
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
Technical 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 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)

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