Mic Pre-Amp + ADC
Mic Pre Max Input (Pad On / Pad Off): +24 dBu / +13 dBu
Input Impedance (Differential, Software Switchable Per Channel): 1.9 kΩ / 10 kΩ
Input Impedance with +48V ON (Diff., Soft. Switchable Per Channel): 1.9 kΩ / 10 kΩ
Dynamic Range (A-weighted, typ.) , ref +10 dBu: 123.5 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 (AD8/AD8P): < -110dB (0.00031%)/-111dB (0.00028%)
Interchannel Crosstalk @ 1kHz, typ.: < -125 dB
EIN @ >40 dB Gain (150Ω Source Impedance, A-weighted, typ.): < -128 dBu
Common Mode Rejection Rate (20 Hz – 20 kHz): > 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): 10 kΩ
Dynamic Range (A-weighted, typ), ref +24 dBu: 124 dB
THD+N Line+A/D (20 Hz - 20 kHz) @ -10 dBFS: < -110dB (0.00031%)/-111dB (0.00028%)
Interchannel Crosstalk @ 1kHz @ fullscale: < -130 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 / > 65dB (both up to 0 dBFS)
Connector Pinout: DB-25 / AES59 (Tascam Ana.)

AKD8DP Mic-Pre Analog Section

Frequency response +0/-0.5 dB, Line: 2 Hz - > 200 kHz
Frequency response +0/-2.0 dB, Line: 1 Hz - > 200 kHz
Frequency response +0/-0.5 dB, Mic, at G=40dB : 2 Hz - 65 kHz
Frequency response +0/-2.0 dB, Mic, at G=40dB : 1 Hz - 160 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.: -140dB
5° low-end in-channel Ø deviation pt: Line: 9 Hz
5° low-end in-channel Ø deviation pt: Mic: 9 Hz
Interchannel phase 10 Hz - 100 kHz: < ±0.1°

AKD8DP Analogue Direct Output Section

Frequency response +0/-0.5dB @ Gain 40 dB: 2 Hz – 65kHz
Max Direct Output Level, type: +24 dBu / +13 dBu
Direct Output Impedance (Differential): > 100 Ω
Dynamic Range (flat 20 Hz-20 kHz, typ.): 140 dB
THD+N (1 kHz) @ +10dBu: < -120dB (0.0001 %)
Direct Output Connector Pinout: DB-25 / AES59 (Tascam Ana.)