Tube Microphone Preamp Channel Strip DBX 676

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Giao hàng toàn quốc – COD
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Thông số kỹ thuật:

  • Mic Preamp Connector : Female XLR Pin 2 Hot; Electronically balanced/unbalanced
  • Mic Preamp Input Impedance : 1.9 kΩ
  • CMRR : >85 dB from 20 Hz to 3 kHz, >70 dB from 3 kHz to 20 kHz
  • Instrument Input Connector : Tip-Sleeve ¼” Jack
  • Input Type : (instrument) Unbalanced
  • Instrument Input Impedance : 500 k Ω
  • Max Input : (instrument) +21dBu unbalanced
  • Preamp Insert Connector : Tip-Ring-Sleeve ¼”, RF filtered
  • Preamp Insert Type : Unbalanced, Tip = send, Ring = return
  • Line Outputs (Preamp & Compressor/Limiter) Connector : Male XLR and Tip-Ring-Sleeve ¼” (Pin 2 and Tip hot)
  • Line Outputs (Preamp & Compressor/Limiter) Type : Servo-balanced/unbalanced
  • Line Outputs (Preamp & Compressor/Limiter) Impedance : Balanced 30 Ω, unbalanced 15 Ω
  • Line Outputs (Preamp & Compressor/Limiter) Maximum Output Level : > +21 dBm (into a 600 ohm load)
  • Compressor Sidechain Insert Connector : Tip-Ring-Sleeve ¼”, RF filtered
  • Compressor Sidechain Insert Type : Unbalanced, Ring = output, Tip = input
  • Compressor Sidechain Insert Impedance : 1 kΩ (output), 50 kΩ (input)
  • Vacuum Tube Type : 12AU7A / ECC82
  • Vacuum Tube Grid Power Supply : +250V DC
  • Vacuum Tube Heater Power Supply : +12V DC
  • Frequency Response (Mic Input) : 20 Hz to 50 kHz, +0/-1dB, 40 dB gain
  • Frequency Response (Instrument Input) : 30 Hz to 70 kHz, +0/-1dB, unity gain
  • THD + Noise (Mic In to LIne Out) : 0.25% typical at 0 dBu out, 1 kHz, 40 dB gain
  • THD + Noise (Instrument In to Line Out) : 0.2% typical at 0 dBu out, 1kHz, unity gain
  • Equivalent Noise Level : Typically > -123 dBu with a 150 Ω source load, 22 Hz to 22 kHz
  • Noise Floor : Mic Insert to Comp Output:
  • Preamp Function Switches/Controls: Instrument Input : Selects between microphone XLR input and front panel ¼” instrument input
  • Preamp Function Switches/Controls: +48V : Sends +48 VDC through 6.81 kΩ resistors to pins 2 and 3 of the microphone input
  • Preamp Function Switches/Controls: 20dB Pad : Attenuates the microphone input by 20 dB
  • Preamp Function Switches/Controls: Polarity Invert : Reverses pins 2 and 3 of the microphone input XLR
  • Preamp Function Switches/Controls: 80 Hz Low Cut : Enables an 80 Hz, 12 dB/octave high pass filter in the microphone and instrument signal path
  • Preamp Function Switches/Controls: Gain Control Range : -∞ to +55 dB for Microphone Input; -∞ to +40 dB for Instrument Input
  • Preamp Function Switches/Controls: Post Tube Attenuation : -∞ to 0 dB
  • Preamp Function Switches/Controls: Peak Indicator : Illuminates RED when the Preamp is within 3 dB of clipping
  • EQ Low Frequency : 100 Hz, Low-pass shelving filter
  • EQ High Frequency : 10 kHz, High-pass shelving filter
  • EQ Mid Frequency : Sweepable from 100 Hz to 8 kHz
  • EQ Function Switches/Controls: Narrow : Selects the “Q” of the MID Frequency EQ. “OUT” position Q = 0.9; “IN” position Q = 2.9
  • EQ Gain : (All Bands) Sweepable from –15 to +15 dB
  • Compressor Threshold Range : -40 dBu to +20 dBu
  • Compressor Threshold Characteristic : Selectable OverEasy™ or Hard Knee
  • Compressor Ratio : Variable 1:1 to ∞:1; 60 dB maximum Compression
  • Compressor Attack/Release Modes : Selectable Manual or Auto
  • Compressor Manual Attack Time : Scalable program-dependent; Typically 400 dB/msec to 1 dB/msec
  • Compressor Manual Release Time : Scalable program-dependent; Typically 4000 dB/sec to 10 dB/sec
  • Compressor Auto Attack Time : Program-dependent, typically 15 ms for 10 dB, 5 ms for 20 dB, 3 ms for 30 dB
  • Compressor Auto Release Time : Program-dependent, typically 120 dB/sec
  • Compressor Output Level Control Range : -20 dB to +20 dB
  • Compressor Peak Indicator : Illuminates RED when the Compressor/Limiter is within 3 dB of clipping
  • Limiter Type : dbx PeakPlus™
  • Limiter Threshold Range : -4 dBu to + 22 dBu (off)
  • Limiter Ratio : ∞:1
  • Limiter Attack and Release : Program-dependent
  • Power Supply : Universal switch-mode
  • Operating Voltage : 100 – 240 VAC, 50/60 Hz
  • Power Requirements : 20 Watts
  • Fuse : T2.5AL 250V
  • Turn-On Time : Approximately 2 seconds
  • Dimensions : 3.5”H X 19”W X 8”D (88.9mmH X 482.6mmW X 203.2mmD)
  • Weight : 8.1 lbs (3.7 kg)
  • Shipping Weight : 11.0 lbs (5.0 kg)
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