Merging推出全新的AKDG8D和AKDG8DP AD输入卡。产品采用了第三代双增益拓扑技术，与Anubis的前置放大器相同，为用户带来绝致的声音体验。 选配卡使用基于最新基准的模拟电路，并且提供了线级话放直接输出。
此次的选配卡拥有两个版本：支持到192kHz的AKDG8D版本；支持到DXD/DSD256的AKDG8DP版本。
产品特性：
- 8 块由瑞士设计的非常精细的前置放大器
- 可在（远程/本地）调整单一通道的电平
- 所有参数均可通过远程访问并更改
- 每个通道均支持（幻象电源/极性反转/低切/阻抗）开关
- 删减了DI盒子的功能
- 内置麦克风两极增益
- 动态范围达到136dB (A计权, 典型)
- 电源切换时电路可以自动静音
AKDG8D / AKDG8DP
Mic Pre-Amp + ADC | |
| Mic Pre 最大输入电平 (Mic+Pad / Mic / Boost) | +24 dBu / +12 dBu / +0 dBu |
| Mic Pre 最大输入阻抗 (Pad On; Pad Off) | >3 kΩ; 10.4 kΩ |
| 输入阻抗 (Zlo; ZHi) | >3 kΩ; 10.4 kΩ |
| 动态范围(flat 20 Hz-20 kHz) | >134dB |
| 动态范围 (A计权, 典型) | 136dB |
| 增益范围 (软件控制装置) | 0 dB to +66 dB |
| 增益精度 | ±0.2 dB |
| 增益步进量 | 0.5 dB |
| THD+N Pre + A/D (20 Hz-20 kHz) @ -2 dBFS | -110 dB (0.00031 %)/-112 dB (0.00025 %) |
| 串扰 @ 1kHz, typ. | < -125 dB |
| 串扰 @ 20Hz – 20 kHz, typ. | < -100 dB |
| EIN @ >40 dB Gain (150Ω 电源阻抗, A计权, 典型) | < -128 dBu |
| 共模抑制比 @ 1kHz, typ | 75 dB (up to -20 dBFS) |
| 共模抑制比 @ 20Hz – 20 kHz | > 60 / 65 dB (up to -20 dBFS) |
| 幻象电源(每个通道开关由软件控制) | +48V |
| 反相 (每个通道开关由软件控制) | YES |
| 低切滤波器(每个通道开关由软件控制) | -12 dB/octave, 80 Hz |
Line Input | |
| 频率响应 +0/-0.1dB @ fs = 44100 Hz | 5.7 Hz – 20.5 kHz |
| 频率响应 +0/-1.0dB @ fs = 44100 Hz | 1.8 Hz – 21.0 kHz |
| 频率响应 +0/-0.1dB @ fs = 96000 Hz | 5.7 Hz – 43.9 kHz |
| 频率响应 +0/-1.0dB @ fs = 96000 Hz | 1.8 Hz – 45.4 kHz |
| 频率响应 +0/-0.1dB @ fs = 192000 Hz | 5.7 Hz – 42.1 kHz |
| 频率响应 +0/-1.0dB @ fs = 192000 Hz | 1.8 Hz – 64.7 kHz |
| 频率响应 +0/-1.0dB @ fs = 384000 Hz | 5.7 Hz – 40 kHz |
| 频率响应 +0/-1.0dB @ fs = 384000 Hz | 1.8 Hz – 75 kHz |
| 最大输入电平 | +24 dBu |
| 输入阻抗 | 10.4 kΩ |
| 动态范围 (flat 20 Hz-20 kHz), ref +24 dBu | >136 dB |
| 动态范围 (A计权), ref +24 dBu | 138.5 dB |
| THD+N Line+A/D (1 kHz) @ -2 dBFS, Typ. | -106 dB (0.0005%)/-109 dB (0.00035%) |
| THD+N Line+A/D (20 Hz-20 kHz) @ -2 dBFS | |
| 串扰 @ 1kHz, typ. | -130 dB |
| 串扰 @ 20Hz – 20 kHz | |
| 对于0 dBFS的灵敏度范围 (软件控制) | -42 dBu to +24 dBu |
| 增益精度 | ±0.2 dB |
| 增益步进量 | 0.5 dB |
| 共模抑制比 @ 1kHz, typ. | 75 dB (up to -20 dBFS) |
| 共模抑制比 @ 20Hz – 20 kHz | > 65 dB (up to -20 dBFS) |
| 组延迟量(1FS) | 5/fs |
| 组延迟量(2FS) | 5/fs |
| 组延迟量(4FS) / 白金版 (8FS) | 6/fs / 7/fs |
AKD8D/AKD8DP Direct Out | |
| Max Direct Output level typ. | +24 dBu / +12 dBu / +0 dBu |
| Output Impedance (Differential) | < 100 Ω |
| THD+N (1 kHz) @ +10dBu | < -111dB (0.00028 %) |
| Input Connector Pinout | DB-25 / AES59 (Tascam Ana.) |
| Direct Output Connector Pinout | DB-25 / AES59 (Tascam Ana.) |
AD8D / AD8DP
Mic Pre-Amp + ADC | |
| Mic Pre Max Input (Pad On / Pad Off) | +24 dBu / +13 dBu |
| Input Impedance (Differential, Software Switchable Per Channel) | 2 kΩ / 13.6 kΩ |
| Input Impedance with +48V ON (Diff., Soft. Switchable Per Channel) | 1.7 kΩ / 6.8 kΩ |
| Dynamic Range (A-weighted, typ.) , ref +13 dBu | 120.5 dB |
| Gain Range (software controlled) | 0 dB to +66 dB |
| Gain Step/Precision | 0.5 dB / ±0.2 dB |
| THD+N Pre + A/D (20 Hz-20 kHz) @ -2 dBFS (Standard/Premium) | < -96dB (0.0016 %) / -100 dB (0.001 %) |
| Interchannel Crosstalk @ 1kHz, typ. | <-125 dB |
| EIN @ >40 dB Gain (150Ω Source Impedance, A-weighted, typ) | < -128 dBu |
| Common Mode Rejection Rate @ 1kHz, typ. | > 60 dB (up to 0 dBFS) |
| Phantom Power (Software Switchable Per Channel) | +48V |
| Phase Reverse (Software Switchable Per Channel) | YES |
| Low Cut filter (Software Switchable Per Channel) | -12 dB/octave, 80 Hz |
Line Input | |
| Max Line Input for 0 dBFS | +24 dBu |
| Input Impedance (Differential) | 13.6 kΩ |
| Dynamic Range (A-weighted, typ), ref +24 dBu | 121 dB |
| THD+N Line+A/D (20 Hz-20 kHz) @ -12 dBFS, typ. | < -100 dB (0.001%) |
| Interchannel Crosstalk @ 1kHz, typ. | < -120 dB |
| Sensitivity Range for 0 dBFS (software controlled) | -42 dBu to +24 dBu |
| Gain Step/Precision | 0.5 dB / ±0.2 dB |
| Common Mode Rejection Rate (20 Hz – 20 kHz) | > 60 dB (up to 0 dBFS) |
| Input Connector Pinout (DB-25 female) | DB-25 / AES59 (Tascam Ana.) |
AD8D/AD8DP Mic-Pre Analog Section | |
| Frequency response +0/-0.5 dB, Line | 5 Hz – 75 kHz |
| Frequency response +0/-2.0 dB, Line | 2.5 Hz – 150 kHz |
| Frequency response +0/-0.5 dB, Mic | 10 Hz – 100 kHz |
| Frequency response +0/-2.0 dB, Mic | 5 Hz – 200 kHz |
| THD+N (1 kHz), Line/Mic at G=0dB | <-115 dB (0.00018 %) |
| THD+N (20 Hz-20 kHz) , Line/Mic at G=0dB | <-112 dB (0.00025 %) |
| Interchannel Crosstalk @ 1kHz, typ. | -135dB |
| 5° low-end in-channel Ø deviation pt: Line | 13 Hz |
| 5° low-end in-channel Ø deviation pt: Mic | 35 Hz |
| Interchannel phase 10 Hz – 100 kHz | < ±0.1° |
AD8D/AD8DP Analogue Direct Output Section | |
| Frequency response +0/-0.3dB @ Gain 40 dB | 10 Hz – 50 kHz |
| Max Direct Output Level, typ | +24 dBu / +13 dBu |
| Direct Output Impedance (Differential) | < 100 Ω |
| Dynamic Range (A-weighted, typ) | 133 dB |
| THD+N (1 kHz) @ +10dBu | < -120dB (0.0001 %) |
| Direct Output Connector Pinout | DB-25 / AES59 (Tascam Ana.) |
ADA8S / ADA8P
Mic-Pre + ADC Section | |
| Mic Pre Max Input (Mic+Pad / Mic / Boost) | +24 dBu / +12 dBu / +0 dBu |
| Input Impedance (Differential, Software Switchable Per Channel) | 3 kΩ / 10.4 kΩ |
| Frequency response +0/-0.3dB @ fs = 48 kHz | 9 Hz – 22 kHz |
| Frequency response +0/-0.3dB @ fs = 96 kHz | 9 Hz – 46 kHz |
| Frequency response +0/-0.3dB @ fs = 192 kHz | 11 Hz – 94 kHz |
| Dynamic Range (A-weighted, typ.), ref +12 dBu | 137 dB |
| Dynamic Range Mic Boost (A-weighted, typ.), ref 0 dBu | 128 dB |
| Gain Range (software controlled) | 0 dB to +66 dB |
| THD+N Pre + A/D (20 Hz – 20 kHz) @ -2 dBFS | < -111 dB (0.00028 %) |
| Interchannel Crosstalk @ 1kHz | < -130 dB |
| EIN @ >40 dB Gain (150Ω Source Impedance, A-weighted) | < -127 dBu |
| Common Mode Rejection Rate (20 Hz – 20 kHz) | > -130 dB |
| Phantom Power (Software Switchable Per Channel) | +48V |
| Phase Reverse (Software Switchable Per Channel) | YES |
| Low Cut filter (Software Switchable Per Channel) | -12 dB/octave, 80 Hz |
Line Input Section | |
| Max Line Input for 0 dBFS | +24 dBu |
| Input Impedance (Differential) | 10.4 kΩ |
| Dynamic Range (A-weighted, typ), ref +24 dBu | 139dB |
| THD+N Line+A/D (20 Hz – 20 kHz) @ -2 dBFS | < -111 dB (0.00028%) |
| Interchannel Crosstalk @ 1kHz, typ. | -135 dB |
| Sensitivity Range for 0 dBFS (software controlled) | -42 dBu to +24 dBu |
| Gain Step/Precision | 0.5 dB |
| Common Mode Rejection Rate (20 Hz – 20 kHz) | > -70 dB |
| Connector Pinout | DB-25 / AES59 (Tascam Ana.) |
Line Output Section | |
| Max Output level software switchable for 0 dBFS | +24 dBu / +18 dBu +0/-0.5 dB |
| Frequency response +0/-0.3dB @ fs = 48 kHz | 6 Hz – 22 kHz |
| Frequency response +0/-3dB @ fs = 96 kHz | 6 Hz – 46 kHz |
| Frequency response +0/-3dB @ fs = 192 kHz | 6 Hz – 92 kHz |
| Output Impedance (Differential) | < 80 Ω |
| Dynamic Range (A-weighted, typ.) | 125 dB / 126dB |
| THD+N (1 kHz) @ 0dBFS | < -115 dB (0.00017 %) |
| Interchannel Crosstalk @ 1kHz | < -139 dB |
| Connector Pinout | DB-25 / AES59 (Tascam Ana.) |
Latencies | |
| A/D Latency Sharp Short delay @ 44.1kHz to 96kHz | 5 samples |
| A/D Latency Sharp Short delay @ 174.6kHz to 192kHz | 6 samples |
| A/D Latency Sharp Short delay @ 352.8kHz to 384kHz | 7 samples |
| D/A Latency Sharp @ 44.1kHz to 384kHz | 35 samples |
| D/A Latency Slow @ 44.1kHz to 384kHz | 9 samples |
| D/A Latency Apodizing @ 44.1kHz to 384kHz | 35 samples |
| D/A Latency Brickwall @ 44.1kHz to 384kHz | 35 samples |
DA8 / DA8P
DA8/DA8P Specifications | |
| Max Line Output @ 0 dBFS (jumpers on +24 dBu) | +24 dBu +0/-0.5 dB |
| Frequency response +0/-0.3dB @ fs = 48000 Hz | 6 Hz – 20 kHz |
| Frequency response +0/-0.3dB @ fs = 2.8224 MHz (DSD) | NA / 6 Hz – 20 kHz |
| Frequency response +0/-3.0dB @ fs = 2.8224 MHz (DSD) | NA / 2 Hz – 50 kHz |
| Line Output Impedance (Differential) | 100 Ω |
| Dynamic Range (A-weighted, typ) | 126 dB |
| THD+N D/A (1 kHz) @ 0 dBFS (IOM-HORUS-DA8) | < -113dB (0.00022 %) |
| THD+N D/A (1 kHz) @ 0 dBFS (IOM-HORUS-DA8P) | < -115dB (0.00018 %) |
| Interchannel Crosstalk @ 1kHz, typ. | -135 dB |
| Connector Pinout (DB-25 female) | AES59/Tascam Analog |
Line Output Section | |
| Max Output level software switchable for 0 dBFS | +24 dBu / +18 dBu +0/-0.5 dB |
| Frequency response +0/-0.3dB @ fs = 48 kHz | 6 Hz – 22 kHz |
| Frequency response +0/-3dB @ fs = 96 kHz | 6 Hz – 44 kHz |
| Frequency response +0/-3dB @ fs = 192 kHz | 6 Hz – 88 kHz |
| Output Impedance (Differential) | < 100 Ω |
| Dynamic Range (A-weighted, typ.) | 123 dB |
| THD+N (1 kHz) @ 0dBFS | < -108 dB (0.0004 %) |
| Interchannel Crosstalk @ 1kHz | < -135 dB |
| Connector Pinout | DB-25 / AES59 (Tascam Ana.) |
Latencies | |
| Input latency at 44.1/48kHz | 16 samples |
| Input latency at 88.2/96kHz | 16 samples |
| Input latency at 176.4/192kHz | 13 samples |
| Output latency at 44.1/48kHz | 9* samples |
| Output latency at 88.2/96kHz | 9* samples |
| Output latency at 176.4/192kHz | 9* samples |
| * Filter setting – Slow Roll Off Filter option = 9 Samples – Sharp Roll Off Filter option = 38 Samples | |
