Page 1
S Class Signal Processors
Two by One Microphone Combiner
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Table Of Contents
Introduction and Features 3
Front and Rear Panel Layout 4
Operating the S combine
Setting up the S combine 5
Typical Set-up 6
Wiring Guide 7
Specifications 8
Copyright 2003, Samson Technologies Corp.
Printed June 2003
Samson Technologies Corp.
575 Underhill Blvd.
P.O. Box 9031
Syosset, NY 11791-9031
Phone: 1-800-3-SAMSON (1-800-372-6766)
Fax: 516-364-3888
www.samsontech.com
Page 3
S combine Introduction and Features
Introduction
Congratulations on your purchase of the S combine by Samson Audio! The S combine is a
two-to-one microphone combiner ideal for any situation where an extra microphone input
is needed. The S combine is a perfect solution for live sound applications, as well as, fixed
installations like schools, hotel meeting rooms and houses of worship. You can use your
S combine anytime two microphone inputs are needed and only one is available.
Whatever your situation, the S combine will provide high quality and reliable performance
thanks to its solid build construction based around the extruded aluminum chassis and
oversized rubber bumper feet.
In this manual, you’ll find a more detailed description of the features of the S combine, as
well as a guided tour through the front and rear panels, step-by-step instructions for using
the S combine, and full specifications. You’ll also find a warranty card enclosed—please
don’t forget to fill it out and mail it so that you can receive online technical support and so
we can send you updated information about other Samson products in the future.
SCombine Features
•Two inputs by one output microphone combiner.
•2 balanced XLR microphone inputs.
•1 balanced XLR microphone output.
• Ground lift switch for transformer isolated microphone input.
• Large rubber bumper feet.
• Three year extended warranty.
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Scombine Front and Rear Panel Layout
Front Panel Layout
1
2
3
1 ISOLATED INPUT- XLR balanced, trans-
former isolated microphone input for
connecting the first microphone.
2 ISOLATED GROUND LIFT- When
engaged, the ground from the Isolated
Mic Input is disconnected.
Rear Panel Layout
A
ABALANCED OUTPUT- XLR balanced
connector outputs carrying the
summed signal from Microphone 1
and 2.
3 DIRECT INPUT- XLR balanced
microphone input for connecting
the second microphone.
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Operating the S combine
Setting Up the S combine
The basic procedure for setting up and using your S combine is simple and takes only a
few minutes. Remove all packing materials (save them in case of need for future service).
There are many different ways to use the S combine, however the basic connection is the
same in most installations and applications. The following example details the connection
for two microphones to a main PA mixer. Follow these simple steps to get connected.
• Using a standard XLR microphone cable, connect both mics to the S combine MIC
INPUTS.
• Using another standard mic cable, connect the BAL. OUT. 1 to the main PA mixer or
stage box.
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Page 6
Operating the S combine
Typical Set-up
The diagram below shows a typical set-up for a project recording studio using the S combine to mix two microphones into one microphone input.
Typical hook-up for connecting two
mics to one channel of a mixer.
SIGNAL FLOW
SIGNAL FLOW
Mic Out.
to Mixer without
Phantom Power
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SIGNAL FLOW
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Page 7
S combine Wiring Guide
Wiring Guide
There are several ways to interface the S combine, depending on your exact set-up. Follow the cable
diagrams below for connecting your gear.
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Page 8
S combine Specifications
Frequency Response 10 Hz to 30kHz +/- 3dB
Noise Level -110 dBu
Maximum Ouput Level Bal: +18 dBu
Max Input Level Bal: +22 dBu
Input Impedance
XLR: 10k Ohm
Output Impedance
XLR: 100 Ohm balanced
THD .003% Max
Noise Floor <-90 dBu
Dimensions 5.65” L x 4.13” W x 2” H (144mm L x 105mm
W x 51mm H)
Weight 16.5 oz., 419 gm.
Samson Technologies Corp.
575 Underhill Blvd.
P.O. Box 9031
Syosset, NY 11791-9031
Phone: 1-800-3-SAMSON (1-800-372-6766)
Fax: 516-364-3888
www.samsontech.com
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