Background Software

ADO8V3S Input Card

ADO8V3S

Hapi Mk III 的 8 通道麦克风/直接输出 A/D 卡

ADO8V3S

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ADO8V3S 输入卡为 Merging Hapi Mk III 音频主机提供了有力补充。
它具有 8 个麦克风/线路输入,可提供卓越的音质和令人印象深刻的 139 dB (A) 动态范围。
得益于 Merging 独特的第三代双增益拓扑设计,瑞士设计的前置放大器可提供高达 78 dB 的增益,并具有出色的透明度。它支持远程访问,使您能够轻松调整每个通道的所有参数。ADO8V3S 在音频电路设计方面树立了新的标准,它甚至配备了模拟直接输出(麦克风前置放大器之后)用于监听或外部处理。
ADO8V3S 支持高达 192 kHz 的采样率。
 

Features

  • 8 个透明度极高的瑞士设计前置放大器
  • 高达 78 dB 的增益(带提升功能)
    以每个通道为基础远程/本地切换到线路电平
  • 完全远程访问所有参数更改
  • 每个通道可切换幻象电源/极性反相/低切/阻抗
  • 无需 DI 盒
  • 每个通道的直接线路输出(麦克风前置放大器之后)
  • 动态范围为 139 dB(A 加权,典型值)
  • 自动静音电路,实现“无爆音”电源循环
  • 支持远程控制前置放大器 MIDI
  • 2 个 25 针 Sub D 连接器
  • 采样率高达 192 kHz
Common Mode Rejection Rate @ 1kHz, typ. 75 dB (up to -20 dBFS)
Common Mode Rejection Rate @ 20Hz – 20 kHz > 60 / 65 dB (up to -20 dBFS)
Dynamic Range (A-weighted, typ) 136 dB
Dynamic Range (A-weighted, typ), ref +24 dBu 139 dB
Dynamic Range (flat 20 Hz-20 kHz) > 134 dB
Dynamic Range (flat 20 Hz-20 kHz), ref +24 dBu > 136 dB
EIN @ >40 dB Gain (150Ω Source Impedance, A-weighted, typ) -128 dBu
Frequency response +0/-0.1dB @ fs = 192000 Hz 5.7 Hz - 42.1 kHz
Frequency response +0/-0.1dB @ fs = 44100 Hz 5.7 Hz - 20.5 kHz
Frequency response +0/-0.1dB @ fs = 96000 Hz 5.7 Hz - 43.9 kHz
Frequency response +0/-1.0dB @ fs = 192000 Hz 1.8 Hz - 64.7 kHz
Frequency response +0/-1.0dB @ fs = 44100 Hz 1.8 Hz - 21.0 kHz
Frequency response +0/-1.0dB @ fs = 96000 Hz 1.8 Hz - 45.4 kHz
Gain Precision ±0.2 dB
Gain Range (software controlled) 0 dB to +66 dB
Gain Step 0.5 dB
Input Impedance 10.4 kΩ
Input Impedance (Zlo; ZHi) > 3 kΩ; 10.4 kΩ
Interchannel Crosstalk @ 1kHz, typ. <-130 dB
Interchannel Crosstalk @ 1kHz, typ. -130 dB
Interchannel Crosstalk @ 20Hz – 20 kHz < -105 dB
Interchannel Crosstalk @ 20Hz – 20 kHz < -100 dB
Low Cut filter (Software Switchable Per Channel) -12 dB/octave, 80 Hz
Max Line Input for 0 dBFS +24 dBu
Mic Pre Max Input (Mic+Pad / Mic / Boost) +24 dBu / +12 dBu / +0 dBu
Mic Pre Max Input (Pad On; Pad Off) > 3 kΩ; 10.4 kΩ
Phantom Power (Software Switchable Per Channel) +48 Volts
Phase Reverse Switch (Software Switchable Per Channel) Yes
Sensitivity Range for 0 dBFS (software controlled) -42 dBu to +24 dBu
THD+N Line+A/D (1 kHz) @ -2 dBFS, Typ. -110 dB (0.00031%)
THD+N Line+A/D (20 Hz-20 kHz) @ -2 dBFS < -107 dB
THD+N Pre + A/D (20 Hz-20 kHz) @ -2 dBFS -110 dB (0.00031 %)/-112 dB (0.00025 %)
Mic Pre-Amp + ADC
Line Input
Gain Precision ±0.2 dB
Gain Step 0.5 dB
Common Mode Rejection Rate @ 1kHz, typ. 75 dB (up to -20 dBFS)
Common Mode Rejection Rate @ 20Hz – 20 kHz > 65 dB (up to -20 dBFS)
Group Delay (1FS) 5/fs
Group Delay (2FS) 5/fs
Group Delay (4FS) / Premium (8FS) 6/fs / 7/fs
ADO8V3S Direct Out
Max Direct Output level typ. +24 dBu / +12 dBu / +0 dBu
Output Impedance (Differential) < 100 Ω
THD+N (1 kHz) @ +10dBu < -110dB (0.00031 %)
Input Connector Pinout DB-25 / AES59 (Tascam Ana.)
Direct Output Connector Pinout DB-25 / AES59 (Tascam Ana.)