DBX 376 Tube Channel Strip with Digital Out

Priced: $529.95
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DBX 376 Tube Channel Strip with Digital Out -

The dbx 376 Tube Channel Processor contains the essential tools needed in a channel strip processor, with the additional capabilities of digital output. The unit includes such standard features as a tube microphone preamp section, 3-band parametric EQ, compressor and de-esser. With the included digital outputs, the unit is the perfect companion for recording and tracking vocals, or any applications needing microphones, both in the analog and digital domain.
The 376 combines the warmth of a vacuum tube, with the proprietary dbx Type IV A/D conversion system. In addition to the above features, the single rack space unit contains such standard offerings as +48V phantom power, a phase invert switch and low cut filtering. The digital outputs capabilities are supported in both AES/EBU and S/PDIF formats, as well as word clock I/O as standard features.
To provide convenience in the studio, the high impedance 1/4" instrument input, as well as the mic/line switch and 20dB pad of the 376 are located on the front panel. The LED meters give clear and concise information about the state of signal processing, while the rear panel houses the mic and line inputs and outputs, word clock sync input and output, insertion jack and digital outputs. Finally, the unit sports selectable sampling rates of 44.1, 48, 88.2 and 96 kHz, selectable dithering and noise shaping and separate analog and digital output controls.


  • Selectable sampling rates and 16, 20 and 24-bit word lengths


  • 3 band parametric EQ, compressor and de-esser
  • No need to patch together multiple processors for use on one track
  • Front panel instrument input
  • AES/EBU and S/PDIF digital outputs and word clock sync input and output
  • Selectable dither and noise-shaping algorithms
  • Drive meter LEDs, threshold and de-esser meters, 8 segment analog or digital meter
  • 200V tube plate voltage
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Analog Frequency Response:<10Hz to 75kHz
Analog Outputs: Connector:Male XLR Pin 2 Hot and TRS 1/4"
Analog Outputs: Impedance:Balanced 120 ohm, unbalanced 60 ohm
Analog Outputs: Maximum Output Level:>+21 dBu, >+20 dBm (into a 600 ohm load)
Analog Outputs: Type:Servo-balanced/unbalanced
Analog to Digital: Dither Type:TPDF, SNR2, or none
Analog to Digital: Dynamic Range:107dB typical, A-weighted, 22kHz bandwidth
Analog to Digital: Noise Shape:Shape 1, Shape 2, or none
Analog to Digital: Output Format:S/PDIF or AES/EBU
Analog to Digital: Sample Rate:96, 88.2, 48, or 44.1kHz selectable
Analog to Digital: Type:dbx Type IV A/D Conversion System
Analog to Digital: Wordlength:24, 20, or 16 bit selectable
Compressor Ratio:Variable; 1:1 to Infinity:1; 60 dB maximum Compression
Compressor: Attack Time:Program-dependent; Typically 5 ms (SLOW disabled), 15 ms (SLOW enabled) for 15 dB Gain Reduction
Compressor: Release Time:Program-dependent; Typically 50 dB/sec (SLOW disabled), 8 dB/sec (SLOW enabled)
Compressor: Threshold Characteristic:Selectable OverEasy or Hard Knee
Compressor: Threshold Range:-40 dBu to +20 dBu
De-esser: Characteristic:Wideband gain reduction
De-esser: Frequency Range:800 Hz to 10 kHz High Pass
De-esser: Release Time:12 dB/octave program-dependent; approximately 1 ms/dB
Digital Outputs: Connector:XLR for AES/EBU RCA for S/PDIF
Digital Outputs: Impedance:110 ohm for AES/EBU 75 ohm for S/PDIF
Drive Control Range:+30dB to +60dB for Mic Input -15dB to +15dB for Line and Instrument Inputs
Equalizer: Gain (all bands):Sweepable from -15 to +15 dB
Equalizer: HIGH Frequency:12 kHz, shelving filter
Equalizer: LOW Frequency:80 Hz, shelving filter
Equalizer: MID Frequency:Sweepable from 100 Hz to 8 kHz, bandwidth 1.5 octaves
Insert: Connector:TRS 1/4"
Insert: Impedance:100 ohm (SEND), 20k ohm (RETURN)
Insert: Type:Unbalanced
Instrument Input: Connector:TS 1/4" Jack
Instrument Input: Impedance:470k ohm
Instrument Input: Maximum Output Level:>+21 dBu unbalanced
Instrument Input: Type:Unbalanced
Line:Selects between microphone and line inputs
Line Input: CMRR:>40dB, Typically 55dB
Line Input: Connector:TRS 1/4" Jack
Line Input: Gain (Drive Control):-15dB to +15dB
Line Input: Impedance:20k ohm unbalanced, 40k ohm balanced
Line Input: Max Input Level:+21dBu balanced or unbalanced
Line Input: Type:Electronically balanced/unbalanced
Low cut:75Hz, 12dB/octave high pass filter
Mic Input: CMRR:>40dB, Typically 55dB
Mic Input: Connector:Female XLR Pin 2 Hot
Mic Input: Equivalent Input Noise:Typically -120 dBu with a 150 ohm source load, 20Hz to 20kHz BW
Mic Input: Impedance:330 ohm
Mic Input: Max Input Level:-9 dBu or +11 dBu with 20 dB pad engaged
Mic Input: Type:Electronically balanced/unbalanced
Operating Voltage:DO: 120VAC 60Hz, 100VAC 50/60Hz EU: 230VAC 50/60 Hz
Output Level Control Range:-20dB to +20dB
PAD:20dB pad
Phantom Power:+48V
Phase:Reverses pins 2 and 3 of the microphone input XLR
Power consumption:35W
THD + Noise:0.35% typical at +4dBu out, 1kHz, 40 dB gain
Word Sync Input/Out: Input:96, 88.2, 48, or 44.1kHz word clock
Word Sync Input/Out: Output:96, 88.2, 48, or 44.1kHz word clock
Word Sync Input/Output: Connectors:BNC
Word Sync Input/Output: Input Impedance:75 ohm terminated by internal jumper

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