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A类电子管话放，高压增益
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高清晰度复古的VU表
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压缩器是基于dbx162SL设计
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3段半参量均衡
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1/4” 和卡侬输入输出接口
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前面板带乐器输入接口
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侧链插入
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DBX 676技术参数：
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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 |
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Instrument Input Connector |
Tip-Sleeve ¼” Jack |
|
Input Type |
(instrument) Unbalanced |
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Instrument Input Impedance |
500 k Ω |
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Max Input |
(instrument) +21dBu unbalanced |
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Preamp Insert Connector |
Tip-Ring-Sleeve ¼”, RF filtered |
|
Preamp Insert Type |
Unbalanced, Tip = send, Ring = return |
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Line Outputs (Preamp & Compressor/Limiter) Connector |
Male XLR and Tip-Ring-Sleeve ¼” (Pin 2 and Tip hot) |
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Line Outputs (Preamp & Compressor/Limiter) Type |
Servo-balanced/unbalanced |
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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) |
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Compressor Sidechain Insert Connector |
Tip-Ring-Sleeve ¼”, RF filtered |
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Compressor Sidechain Insert Type |
Unbalanced, Ring = output, Tip = input |
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Compressor Sidechain Insert Impedance |
1 kΩ (output), 50 kΩ (input) |
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Vacuum Tube Type |
12AU7A / ECC82 |
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Vacuum Tube Grid Power Supply |
+250V DC |
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Vacuum Tube Heater Power Supply |
+12V DC |
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Frequency Response (Mic Input) |
20 Hz to 50 kHz, +0/-1dB, 40 dB gain |
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Frequency Response (Instrument Input) |
30 Hz to 70 kHz, +0/-1dB, unity gain |
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THD + Noise (Mic In to LIne Out) |
0.25% typical at 0 dBu out, 1 kHz, 40 dB gain |
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THD + Noise (Instrument In to Line Out) |
0.2% typical at 0 dBu out, 1kHz, unity gain |
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Equivalent Noise Level |
Typically > -123 dBu with a 150 Ω source load, 22 Hz to 22 kHz |
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Noise Floor |
Mic Insert to Comp Output: <-93 dBu, unity gain, EQ flat and no gain reduction |
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Preamp Function Switches/Controls: Instrument Input |
Selects between microphone XLR input and front panel ¼” instrument input |
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Preamp Function Switches/Controls: +48V |
Sends +48 VDC through 6.81 kΩ resistors to pins 2 and 3 of the microphone input |
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Preamp Function Switches/Controls: 20dB Pad |
Attenuates the microphone input by 20 dB |
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Preamp Function Switches/Controls: Polarity Invert |
Reverses pins 2 and 3 of the microphone input XLR |
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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 |
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Preamp Function Switches/Controls: Gain Control Range |
-∞ to +55 dB for Microphone Input; -∞ to +40 dB for Instrument Input |
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Preamp Function Switches/Controls: Post Tube Attenuation |
-∞ to 0 dB |
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Preamp Function Switches/Controls: Peak Indicator |
Illuminates RED when the Preamp is within 3 dB of clipping |
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EQ Low Frequency |
100 Hz, Low-pass shelving filter |
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EQ High Frequency |
10 kHz, High-pass shelving filter |
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EQ Mid Frequency |
Sweepable from 100 Hz to 8 kHz |
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EQ Function Switches/Controls: Narrow |
Selects the “Q” of the MID Frequency EQ. “OUT” position Q = 0.9; “IN” position Q = 2.9 |
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EQ Gain |
(All Bands) Sweepable from –15 to +15 dB |
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Compressor Threshold Range |
-40 dBu to +20 dBu |
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Compressor Threshold Characteristic |
Selectable OverEasy™ or Hard Knee |
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Compressor Ratio |
Variable 1:1 to ∞:1; 60 dB maximum Compression |
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Compressor Attack/Release Modes |
Selectable Manual or Auto |
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Compressor Manual Attack Time |
Scalable program-dependent; Typically 400 dB/msec to 1 dB/msec |
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Compressor Manual Release Time |
Scalable program-dependent; Typically 4000 dB/sec to 10 dB/sec |
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Compressor Auto Attack Time |
Program-dependent, typically 15 ms for 10 dB, 5 ms for 20 dB, 3 ms for 30 dB |
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Compressor Auto Release Time |
Program-dependent, typically 120 dB/sec |
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Compressor Output Level Control Range |
-20 dB to +20 dB |
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Compressor Peak Indicator |
Illuminates RED when the Compressor/Limiter is within 3 dB of clipping |
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Limiter Type |
dbx PeakPlus™ |
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Limiter Threshold Range |
-4 dBu to + 22 dBu (off) |
|
Limiter Ratio |
∞:1 |
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Limiter Attack and Release |
Program-dependent |
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Power Supply |
Universal switch-mode |
|
Operating Voltage |
100 – 240 VAC, 50/60 Hz |
|
Power Requirements |
20 Watts |
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Fuse |
T2.5AL 250V 商品属性
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