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DBX 676 话放通道条/均衡器/压缩器

  • 首页
  • 话放/话筒放大器
  • DBX 676 话放通道条/均衡器/压缩器
2016-04-27 513 次浏览

专业的血统

在DBX的产品线中,我们很自豪的为大家介绍这款全新的676 电子管话放通道条。676各方面都是最好的,它代表着DBX在动态处理器方面长达40多年的成就。

DBX 676提供了纯正的高电压A类电子管话放模块,它可以运行250V电压,所以你可以将你的信号变的极其清澈和极其浑浊,只要你需要它。676同时集成了压限器,是基于备受追捧的dbx162SL而设计,同时带3段均衡,可以消除中频。

676 这款完美的通道条,无论是录音还是现场使用,都将带给你专业的音质,正如它一流的制作和复古风格的控制,VU表和艺术级的数字输出卡一样出色。

 

DBX 676主要特点:

  • A类电子管话放,高压增益

  • 高清晰度复古的VU表

  • 压缩器是基于dbx162SL设计

  • 3段半参量均衡

  • 1/4” 和卡侬输入输出接口

  • 前面板带乐器输入接口

  • 侧链插入

DBX 676技术参数:

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

DBX 676 话放通道条 均衡器 压缩器
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