
AM-4 Specifications
Power Requirements
115 VAC, 60 Hz or 230 VAC, 50 Hz, 50 W
Analog Audio Inputs
Input Impedance
20 kohms balanced, 10 kohms unbalanced
Nominal Input Level
-10 dBV, or +4 dBu
Maximum Input Level
+24 dBu
Input Connectors
XLR-3F and 1/4"TRS, x 4
Common Mode Rejection
-60 dB typical @ 60 Hz
Analog Audio Outputs
Output Impedance
100 ohms balanced
Output Signal Level
+4 dBu nominal, +22 dBu maximum
Output Connectors
XLR-3M, x 2
Digital Audio Inputs
AES3
XLR-3F x 2
SDI
BNC
SDI Outputs
BNC x 2, Active loop
VU/PPM Meters
3 Color, 53 Segment LED bar x 4
Attack Time
20.8 usec ( PPM )
Speakers
20 W, 8 ohms
Power Amplifier Outputs
15 W RMS, 8 Ohms
Frequency Response
From 20 Hz to 20 kHz +/- 1 dB
THD + Noise
0.01% or less
Remote Control
DB-9F; Parallel Remote (pull down to ground)
Physical Dimensions (Inches)
19 W x 3.5 H x 13 D, EIA rack mounting
Warranty
Videoquip Research Limited (VRL) warrants the AM-4 for a period of 2 (two) years from the date
of shipment from the factory, to be free of defects in workmanship and material under normal use
and service. This warranty is void if failure is due to abnormal use or modification, or if serial
numbers have been tampered with. VRL's liability is limited to the repair or replacement of this
unit, or to a sales credit, and the warranty action taken is at the sole discretion of VRL. Any
warranty claims must be received in writing by VRL before the expiration of the two year period.
Warranty coverage does not include shipping costs. This warranty is in lieu of all other warranties,
expressed or implied, and all other obligations or liabilities of Videoquip Research Limited.