ATI Technologies BU400 Manuel d'utilisation et d'entretien - Page 6
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OPERATING POINTS
An internal reference voltage equal to 1/2 the supply voltage is generated. All audio
stage IC inputs and outputs should show a DC level equal to this voltage when
measured with a high impedance meter. Audio inputs and outputs are capacitor
coupled and ground referenced.
PERFORMANCE SPECIFICATIONS:
BALANCED TO UNBALANCED AND UNBALANCED TO BALANCED
Gain:
Nominal Levels:
Peak Levels:
Noise 20kHz B.W.:
Harmonic Dist.:
Frequency Resp.:
Crosstalk:
Input Impedance:
Output Impedance:
maximum
Dimensions:
Connectors:
Power:
Models Available:
-14db
nominal,
-8db maximum.
+14db
nominal,
+22db
maximum. User adjustable for -10dBu (.25V) User adjustable to
0, +4 or +8dBm output with 0, +4 or +8dBm inputs output with
'IOdBu (.25V) input.
+4dBm input, -10dBu (.25V) out -1 OdBu (.25V) in, +4dBm out
+22dBm in, +8dBu (2.0V) out +8dBu (2.0V) in, +22dBm out
-90dBu maximum output -80dBm maximum output
.02% Max at Peak Level .02% max. at Peak Level 20Hz to
20kHz .005% max. at Nominal Level .005% max. at Nominal
Level
+.25dB, 20 to 20,000Hz +.25dB, 20 to 20,000 Hz
70dB minimum at 10kHz 70db minimum at 10kHz
Balanced, 20kohm bridging Unbalanced 10,000 ohms
Unbalanced,
1500 ohms max.
Zs.
Balanced,
40 ohms
1.5"H by 5.5'W by 5.75"0; Weight: 1.5 Lbs. Net
XLR (balanced input/outputs) & RCA phono jacks (unbalanced
input/outputs)
24VOC @ .07A - BI100 & UB400, 24VOC @ .04A - BU400,
Connector sleeve is positive.
BI100 - Bi-Oirectional Stereo IHF to PRO
UB400 - Uni-Oirectional Quad IHF to Balanced
BU400 - Uni-Oirectional Quad Balanced to IHF
Audio Technologies Inc. 1154 Cooper Road #9021 West Berlin, NJ 080911 Voice 856-719-99001 Fax 856-719-99031 www.r.::.lIIaudio.com