Audio Developments AD 245, Manual, Page: 9 / 26

8
TECHNICAL SPECIFICATION - ELECTRICAL
REFERENCE 0dB=775mV at 1kHz unless otherwise stated.
MAX GAIN MIC 80dB
LINE 50dB
MAX INPUT LEVEL MIC @ MAX GAIN -44dB @ MIN GAIN + 6dB
LINE @ MAX GAIN -14dB @ MIN GAIN +20dB
STEREO-18dB
TB RETURN
+18dB
INPUT IMPEDANCE MIC >2k5R
LINE >6k5R
STEREO-RETURN >100kR
TB RETURN >20kR
MIC POWERING 48v PHANTOM & 12v TONADER
MAX OUTPUT +23dBm L-R TRANSFORMER BAL
(600R LOAD) MONO TRANSFORMER BAL
+18dBm H’PHONE MONITOR UNBAL
(600R LOAD) TB SEND UNBAL
OUTPUT IMPEDANCE <60R L-R & MONO
<20R MONITOR
<20R TB SEND
FREQUENCY RESPONSE 0: -1dB L-R & MONO
0: -1.5dB MONITOR PATHS
HARMONIC DISTORTION <0.05% @ 1kHz @ 0dBm OUTPUT
<0.15% @ 40Hz to 15kHz @ +15dBm OUTPUT
OVERLOAD INDICATOR ILLUMINATES @ +15dBu at the PRE-FADER POINT
CROSSTALK <-70dB 40Hz to 15kHz
INTERGROUP & INTERCHANNEL
NOISE MIC <-126dB EIN 20Hz to 20kHz; 200R SOURCE
LINE <77dB SNR 20Hz to 20kHz 0dBu IN & OUT
EQUALISATION HF:

10dB @ 10kHz