Studio Technologies 43 - Manual (Page 14)

Model 43 User Guide Issue 1, July 2004
Studio Technologies, Inc. Page 15
Specifications
General Audio:
Frequency Response:
Pin 2 Output (DC with Channel 1 Audio): 20 Hz-
20 kHz ±3 dB (80 Hz-20 kHz ±0.25 dB)
Pin 3 Output (Channel 2 Audio): 20 Hz-20 kHz
±0.25 dB
Distortion (THD+N): 0.02%, measured at 1 kHz,
+4 dBu, pin 2 output (DC with channel 1 audio)
S/N Ratio: 80 dB, ref +4 dBu out, 20 Hz-20 kHz,
pin 2 output (DC with channel 1 audio)
Crosstalk: 75 dB, typical, ref +4 dBu in,
20 Hz-20 kHz
Audio Inputs: 2
Type: transformer balanced, capacitor coupled,
compatible with balanced or unbalanced sources
Impedance: 10 k ohms, nominal
Nominal Level: +4 dBu
IFB Output Circuit:
Type: DC power with two channels of unbalanced
audio
Connections: common on pin 1, DC (+30 V
nominal) modulated with channel 1 audio (–10 dBu
nominal) on pin 2, and channel 2 audio (–10 dBu
nominal) on pin 3
Maximum Audio Output Level:
Pin 2: +9 dBu with +23 dBu on audio input
Pin 3: +14 dBu with +28 dBu on audio input
DC Current Output: 200 mA maximum
Connectors:
Audio Inputs: 2, 3-pin XLR-type female
IFB Circuit: 3-pin XLR-type male
24 Vdc: 2.1 x 5.0 mm locking coaxial power jack
(compatible with Switchcraft S760K plug)
Power Requirement:
20 to 32 Vdc, 0.4 A at 24 Vdc, 0.45 A @ 20 Vdc
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.