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ปรีแอมป์ไมค์ dbx 676 Tube Microphone Preamp Channel Strip

ปรีแอมป์ไมโครโฟนแบบหลอด dbx 676 250V Tube Microphone Preamp, 250V Tube Microphone Preamp, Ranges from Clean to Dirty, Compressor Based on 162SL, 3-Band Parametric EQ, Analog VU Meter, Front-Panel Instrument Input, XLR & 1/4″ I/O

68,800 ฿ 61,920 ฿

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dbx 676 Tube Microphone Preamp Channel Strip

ปรีแอมป์ไมโครโฟนแบบหลอด dbx 676 250V Tube Microphone Preamp, 250V Tube Microphone Preamp, Ranges from Clean to Dirty, Compressor Based on 162SL, 3-Band Parametric EQ, Analog VU Meter, Front-Panel Instrument Input, XLR & 1/4″ I/O

Providing you with a tube microphone preamp, a 3-band parametric EQ, and an independently accessible compressor based on their 162SL model, the 676 Tube Microphone Preamp Channel Strip from dbxboasts a Class-A tube preamp section that runs on 250V, giving you a range in tone from pristine to dirty. Its 3-band parametric EQ features sweepable mids, and a front-panel instrument input allows you to use the 676 as a DI.

Features:

  • Class-A Vacuum Tube Preamp with High Voltage Gain
  • High-Visibility Vintage VU Meter
  • Compressor designed from the dbx162SL
  • 3-Band Semi-Parametric EQ
  • 1/4” and XLR Inputs and Outputs
  • Front Panel Instrument Input, Side Chain Insert

SPECIFICATIONS

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: <-93 dBu, unity gain, EQ flat and no gain reduction
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)

DOWNLOADS

Download Datasheet Manual ปรีแอมป์ไมค์ dbx 676  

Download Brochure ปรีแอมป์ไมค์ dbx 676  

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