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Hapi MKII & Horus AKDG8DS / AKDG8DP

These remotely controlled Mic/Line Input cards have set a new benchmark in analog circuitry design, and provide additionally a line level post mic-pre “Direct Out” output.

Available in models that work up to 192kHz (AKDG8DS) and DXD/DSD256 (AKDG8DP).

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Product Description

These remotely controlled Mic/Line input cards are 3rd generation Dual Gain topology designs, taking inspiration from the outstanding Anubis Preamps, showing zero tolerance to any compromise on the audio quality.
These cards are a new benchmark in analog circuit design, and provide additionally a Line level post Mic-pre “Direct Out” output.
Available in models that work up to 192kHz (AKDG8D, Standard) and DXD/DSD256 (AKDG8DP, Premium).

  • 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
  • Removes the need for DI boxes
  • Allows build-in Mic splitting variants
  • Dynamic range of 136dB (A-weighted, typ)
  • Auto-mute circuitry for “no-pop” power cycling

MIC PRE-AMP + ADC

  • 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
  • Input Impedance (Zlo; ZHi) > 3 kΩ; 10.4 kΩ
  • Dynamic Range (flat 20 Hz-20 kHz) > 134 dB
  • Dynamic Range (A-weighted, typ) 136 dB
  • Gain Range (software controlled) 0 dB to +66 dB
  • Gain Precision ±0.2 dB
  • Gain Step 0.5 dB
  • THD+N Pre + A/D (20 Hz-20 kHz) @ -2 dBFS -110 dB (0.00031 %)/-112 dB (0.00025 %)
  • Interchannel Crosstalk @ 1kHz, typ. <-125dB
  • Interchannel Crosstalk @ 20Hz – 20 kHz < -100 dB
  • EIN @ >40 dB Gain (150Ω Source Impedance, A-weighted, typ) -128 dBu
  • 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)
  • Phantom Power (Software Switchable Per Channel) +48 Volts
  • Phase Reverse Switch (Software Switchable Per Channel) Yes
  • Low Cut filter (Software Switchable Per Channel) -12 dB/octave, 80 Hz

Line Input

  • Frequency response +0/-0.1dB @ fs = 44100 Hz 5.7 Hz – 20.5 kHz
  • Frequency response +0/-1.0dB @ fs = 44100 Hz 1.8 Hz – 21.0 kHz
  • Frequency response +0/-0.1dB @ fs = 96000 Hz 5.7 Hz – 43.9 kHz
  • Frequency response +0/-1.0dB @ fs = 96000 Hz 1.8 Hz – 45.4 kHz
  • Frequency response +0/-0.1dB @ fs = 192000 Hz 5.7 Hz – 42.1 kHz
  • Frequency response +0/-1.0dB @ fs = 192000 Hz 1.8 Hz – 64.7 kHz
  • Frequency response +0/-0.1dB @ fs = 384000 Hz 5.7 Hz – 40 kHz
  • Frequency response +0/-1.0dB @ fs = 384000 Hz 1.8 Hz – 75 kHz
  • Max Line Input for 0 dBFS +24 dBu
  • Input Impedance 10.4 kΩ
  • Dynamic Range (flat 20 Hz-20 kHz), ref +24 dBu > 136 dB
  • Dynamic Range (A-weighted, typ), 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 < -106 dB
  • Interchannel Crosstalk @ 1kHz, typ. -130 dB
  • Interchannel Crosstalk @ 20Hz – 20 kHz < -100 dB
  • Sensitivity Range for 0 dBFS (software controlled) -42 dBu to +24 dBu
  • 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
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