Merging Technologies ADA8P


Analog to Digital Converter


About this item



Merging Technologies ADA8P

These remotely controlled Mic/Line Input and Output cards are 3rd generation Dual Gain topology designs, inspired from the Anubis outstanding Preamps, that show zero tolerance to any compromise on the audio quality.

Available in models that work up to 192kHz (ADA8S) and DXD/DSD256 (ADA8P). Using those combined 8 channel Mic/Line In and Line Out cards allow the Hapi to be configured with up to 16 channels of Analog In/Out.


  • 8 x exceptionally transparent, Swiss-designed pre-amplifiers
  • Remote/Local switch to Line Level on a per-channel basis
  • Completely accessible remotely for all parameter changes
  • Phantom Power/Polarity Invert/Low Cut/Impedance switchable per channel
  • The dynamic range of 139dB (A-weighted, type) on the Line inputs
  • Auto-mute circuitry for “no-pop” power cycling
  • Digitally controlled output trims for line up procedures
  • Dynamic range of 125dB (ADA8S), 126dB (ADA8P) (A-weighted, type.) on the Line outputs


Mic Pre-Amp + ADC Section
Mic Pre Max Input (Mic+Pad / Mic / 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 kHz9 Hz – 22 kHz
Frequency response +0/-0.3dB @ fs = 96 kHz9 Hz – 46 kHz
Frequency response +0/-0.3dB @ fs = 192 kHz11 Hz – 94 kHz
Dynamic Range (A-weighted, typ.), ref +12 dBu137 dB
Dynamic Range Mic Boost (A-weighted, typ.), ref 0 dBu128 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 dB
Common Mode Rejection Rate (20 Hz – 20 kHz)> 75 dB
Phantom Power (Software Switchable Per Channel)+48V
Polarity Invert (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)10.4 kΩ
Dynamic Range (A-weighted, typ), ref +24 dBu139 dB
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 Step0.5 dB
Common Mode Rejection Rate (20 Hz – 20 kHz)> 70 dB
Connector PinoutDB-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 kHz6 Hz – 22 kHz
Frequency response +0/-3dB @ fs = 96 kHz6 Hz – 46 kHz
Frequency response +0/-3dB @ fs = 192 kHz6 Hz – 92 kHz
Output Impedance (Differential)< 80 Ω
Dynamic Range (A-weighted, typ.)125 dB / 126 dB
THD+N (1 kHz) @ 0dBFS< -115 dB (0.00017 %)
Interchannel Crosstalk @ 1kHz< -139 dB
Connector PinoutDB-25 / AES59 (Tascam Ana.)
Input latency at 44.1/48kHz8 samples
Input latency at 88.2/96kHz8 samples
Input latency at 176.4/192kHz8 samples
Input latency at DXD/384kHz10 samples
Output latency at 44.1/48kHz9* samples
Output latency at 88.2/96kHz9* samples
Output latency at 176.4/192kHz9* samples
Output latency at DXD/384kHz9* samples
* Filter setting
– Slow Roll Off Filter option = 9 Samples
– Sharp Roll Off Filter option = 38 Samples

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