OWI Inc. * 17141 Kingsview Ave., Carson, CA 90746 * 310-515-1900 * www.owi-inc.com
OWI AMP-STCOMB
Features
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Converts unbalanced stereo audio to unbalanced mono audio
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Input: 3.5 mm female stereo mini plug
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Output: dockable connector
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Resistor network provides passive audio summing
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Compact design for easy installation into small spaces or behind equipment in a rack
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5” long pigtail
DESCRIPTION
The AMP-STCOMB is a small and passive device to be used where space is limited. The AMP-
STCOMB is ideal for summing stereo signals for use in mono PA systems. The AMP-STCOMB is
a single-cable solution meant for combining two-channel stereo audio into a mono audio signal.
OWI uses a 3.5 mm female stereo mini plug for its connection. The 3.5 mini connector is for
unbalanced stereo input signals and an unbalanced mono audio output.
SPECIFICATIONS
Audio
Frequency response
20 Hz to 20 kHz, ±0.001 dB
THD + Noise
0.001% @ 20 Hz to 20 kHz at nominal level
S/N
130 dB at maximum output
Audio input
(1) 3.5 mm female stereo unbalanced mini plug
Connector
(1) 3.5 mm female stereo mini plug (tip-ring-sleeve)
Impedance
1k ohms unbalanced
Maximum level
+24 dBu (12.3 V)
Nominal level
-10 dBV (316 mVrms)
Audio output
1 mono, unbalanced - 1k ohms
Connectors
(1) 3.5 mm direct insertion captive screw connector, 3 pole
Maximum level
+24 dBu (12.3 V)
Nominal level
-10 dBV (316 mV)
Storage: - 40 to +158 °F (-40 to +70 °C) / 10% to 90%, non-condensing
Temperature/humidity
Operating: + 32 to +122 °F (0 to +50 °C) / 10% to 90%, non-condensing
Product weight
0.03 ounces
dimensions
5/8 WIDE BY 6” LONG (WIRE INCLUDED)
Enclosure
G4 rated PCB with 3.5 female mini attached
MTBF
50,000 hours
Warranty
5 years parts and labor
