DBX 376 Tube Channel Processor

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Tube channel strip with Digital Out.

Overview

It's Time to Change the Channel!
The standard of excellence for channel strip processors has just been raised once again. From the world leader in digital signal processing comes the new 376 Tube Channel Processor with digital output capabilities. dbx (TM) Professional Products has been paving the way for audio excellence for more than 25 years, and with the creation of the 376, the drive continues. The 376 has taken the essential tools needed for channel strip processors and has greatly added to the feature list, making it an all inclusive toolbox that offers all of the effects required. With an effect menu list that includes such standard features as: a tube preamp section, 3-Band parametric EQ section, Compressor, De-Esser, and digital outputs, the 376 is the perfect companion piece for recording and tracking vocals and mic'd applications in the analog and digital domain.

The 376 Tube Channel Strip with Digital Output is the latest addition to the Silver Series family. The 376 puts the best of both worlds into one affordable package by combining the warmth of the vacuum tube, with the proprietary dbx (TM) Type IV conversion system. The 376 boasts many of the same features as other products in the Silver Series, such as +48V phantom power, a phase invert switch, and low cut filtering. In addition, the 376 also offers digital output capabilities in both AES/EBU, and S/PDIF formats as standard features. The high impedance, 1/4" instrument input located on the front panel, as… read more well as the mic/line switch and 20 dB pad, show the company's dedication to providing convenience in the studio. The LED meters provide a clear and concise visual of the signal processing at a glance. The rear panel includes both mic and line inputs and outputs, word clock sync input and output, insertion jack, and digital outputs. Add selectable sampling rates of 44.1 kHz, 48 kHz, 88.2 kHz, or 96 kHz; selectable dithering and noise shaping; and separate analog and digital output controls to this already impressive list of features, and we think you'll agree that the 376 lives up to the uncompromising standards of dbx Professional Products.

Features
Tube microphone pre-amp

200V tube plate voltage

Selectable mic/line switch

+48 Volt phantom power

3-Band Parametric EQ

Compressor

De-Esser

Front panel instrument input

Drive meter LEDs

Threshold and De-Esser meters

8 segment analog or digital meter

Type IV conversion system

Selectable sampling rates (96, 88.2, 48,44.1kHz)

24-, 20-, and 16-bit wordlengths

AES/EBU and S/PDIF digital outputs

Selectable dither and noise-shaping algorithms

Word clock sync input and output

Specs

Connector: Female XLR Pin 2 Hot

Type: Electronically balanced/unbalanced

Impedance: 330 ohm

Maximum Input Level: -9 dBu or +11 dBu with 20 dB pad engaged

CMRR: >40dB, Typically 55dB

Equivalent Input Noise: Typically -120 dBu with a 150ohm source load, 20Hz to 20kHz BW

Line Input (Rear Panel)
Connector: TRS 1/4" Jack
Type: Electronically balanced/unbalanced
Impedance: 20kohm unbalanced, 40k ohm balanced
Maximum Input Level: +21dBu balanced or unbalanced
CMRR: >40dB, Typically 55dB
Gain (Drive Control) -15dB to +15dB

Instrument Input (Front Panel)
Connector: TS 1/4" Jack
Type: Unbalanced
Impedance: 470 k ohm
Maximum Input Level: +21dBu unbalanced

Analog Outputs
Connector: Male XLR Pin 2 Hot and TRS 1/4"
Type: Servo-balanced/unbalanced
Impedance: Balanced 120 ohm, unbalanced 60ohm
Maximum Output Level: >+21 dBu, >+20 dBm (into a 600 ohm load)

Insert
Connector: TRS 1/4"
Type: Unbalanced
Impedance: 100 ohm (SEND), 20k ohm (RETURN)

Digital Outputs
Connectors: XLR for AES/EBU
RCA for S/PDIF
Impedance: 110 ohm for AES/EBU
75ohm for S/PDIF

Word Sync Input/Output
Connectors: BNC
Input Impedance: 75ohm terminated by internal jumper
Input: 96, 88.2, 48, or 44.1kHz word clock
Output: 96, 88.2, 48, or 44.1kHz word clock

System Performance
DRIVE Control Range: +30dB to +60dB for Mic Input, -15dB to +15dB for Line and Instrument Inputs
Output Level Control Range -20dB to +20dB
LINE: Selects between microphone and line inputs
Phantom Power: +48V
PAD: 20dB pad
PHASE: Reverses pins 2 and 3 of the microphone input XLR
LOW CUT: 75Hz, 12dB/octave high pass filter
Analog Frequency Response: <10Hz to 75kHz
THD+Noise: 0.35% typical at +4dBu out, 1kHz, 40 dB gain

Equalizer
LOW Frequency: 80 Hz, shelving filter
HIGH Frequency: 12 kHz, shelving filter
MID Frequency: Sweepable from 100 Hz to 8 kHz, bandwidth 1.5 octaves
Gain (all bands): Sweepable from -15 to +15 dB

Compressor
Threshold Range: -40 dBu to +20 dBu
Threshold Characteristic: Selectable OverEasy or Hard Knee
Compression Ratio: Variable; 1:1 to Infinity:1; 60 dB maximum

Compression
Attack Time: Program-dependent; Typically 5 ms (SLOW disabled), 15 ms (SLOW enabled) for 15 dB Gain Reduction
Release Time: Program-dependent; Typically 50 dB/sec (SLOW disabled), 8 dB/sec (SLOW enabled)

De-Esser
Characteristic: Wideband gain reduction
Frequency Range: 800 Hz to 10 kHz High Pass
Release Time: 12 dB/octave program-dependent; approximately 1 ms/dB

Analog to Digital Conversion
Type: dbx Type IV(TM) A/D Conversion System
Sample Rate: 96, 88.2, 48, or 44.1kHz selectable
Wordlength: 24, 20, or 16 bit selectable
Dither Type: TPDF, SNR2, or none
Noise Shape: Shape 1, Shape 2, or none
Output Format: S/PDIF or AES/EBU
Converter Dynamic Range 107dB typical, A-weighted, 22kHz bandwidth

Power Supply
Operating Voltage:
DO: 120VAC 60Hz, 100VAC 50/60Hz
EU: 230VAC 50/60 Hz