Studio Technologies 72 - Manual (Page 8)

Issue 2, July 2004 Model 72 User Guide
Page 8 Studio Technologies, Inc.
Model 72
Level Meter / Interface
Specifications
General Audio:
Frequency Response: 20 Hz-20 kHZ, ±0.5 dB
Distortion (THD+N): 0.02%, measured at 1 kHz,
–10 dBu in/+4 dBu out
S/N Ratio: 93 dB, referenced to –10 dBu in/
+4 dBu out
Connectors:
IFB/Intercom Input: 3-pin male and female
XLR-type
Audio Outputs: 3-pin male XLR-type
IFB/Intercom Input:
Type: single- or dual-channel, unbalanced (pin 1
common; pin 2 DC (or DC with audio); pin 3 audio)
Impedance: 20 k ohms, nominal
Level: –10 dBu, nominal
Compatibility: virtually all single- and dual-channel
IFB and intercom circuits
Audio Outputs:
Type: balanced, transformer-coupled with series
capacitors and isolation resistors
Impedance: 600 ohms, nominal
Nominal Level: +4 dBu, measured with –10 dBu
IFB/intercom input level
Maximum Level: +16 dBu into 2 k ohms
Gain: 14 dB, input-to-output
Power Requirement:
22-32 Vdc, 42 mA (provided by IFB/intercom input)
Dimensions (Overall):
4.2 inches wide (10.7 cm)
2.0 inches high (5.1 cm)
4.7 inches deep (11.9 cm)
Weight: 0.8 pounds (0.35 kg)
Specifications and information contained in this
User Guide subject to change without notice.