Samson S2000, S1500 User Manual
OWNERS MANUAL
POWER
AMPLIFIER
S1500 / S2000
-20dB
PROTECTIONPOWERCLIP
-30dB
-80dB 0dB
-20dB
PROTECTIONPOWERCLIP
-30dB
-80dB 0dB
-10dB
-10dB
-40dB -20dB
CLIP
SAMSON
-40dB -20dB
CLIP
SAMSON
S2000
1000W X2 STEREO
S1500
750W X2 STEREO
-40dB -20dB
-40dB -20dB
-30dB
-30dB
-20dB
-80dB 0dB
-20dB
-80dB 0dB
PROTECTION
-10dB
CHANNEL 1
PROTECTION
-10dB
CHANNEL 1
OFF ON
CHANNEL 2
OFF ON
CHANNEL 2
®
Produced by On The Right Wavelength for Samson Technologies Corp.
Copyright 1999, Samson Technologies Corp.
Printed October 1999
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
Table of Contents
Introduction 1
S1500 / S2000 Features 2
Guided Tour 3
Front Panel 3
Rear Panel 4
Setting Up and Using Your S1500 / S2000 5
The S1500 / S2000 Protection Circuitry 6
Bridged and Parallel Modes 7
S1500 / S2000 Connections 8
Specifications 10
1
We know you don’t like reading owners manuals, but you’ve just purchased one of the finest sound
reinforcement power amplifiers around, and we want to tell you about it! So, before you plug in, we’d like
to suggest you take just a few moments out to scan these pages. We’ll make it as painless as possible,
we promise—and, who knows, you might just pick up a tip or two.
The Samson S1500 / S2000 is a three rack-space stereo power amplifier which is optimized for live
sound venues, commercial installations, and for driving medium and large-sized PA systems.
Fan-cooled for maximum thermal protection, the S1500 delivers 750 watts of power per channel
(or, in Bridged mode, 1500 watts), and the S2000 provides a whopping 1000 watts of power per
channel (or, in Bridged mode, 2000 watts), over the full frequency spectrum, from 10 Hz to 55 kHz.
Combination connectors allow both balanced XLR and balanced 1/4" TRS input connections; output
connections are provided on both standard banana and advanced Speakon™ connectors.
Front-panel controls and displays include a power switch and LED, as well as independent left- and
right-channel input level controls, three-segment LED meters, and Protection LEDs.
In these pages, you’ll find a detailed description of the many features of the S1500 / S2000 power
amplifier, as well as a guided tour through its front and rear panels, step-by-step instructions for its setup
and use, and full specifications. You’ll also find a warranty card enclosed—please don’t forget to fill it out
and mail it in so that you can receive online technical support and so we can send you updated
information about these and other Samson products in the future. Also, be sure to check out our website
(http://www.samsontech.com) for complete information about our full product line.
SPECIAL NOTE: Should your S1500 or S2000 ever require servicing, a
Return Authorization number
(RA) is necessary. Without this number, the unit will not be accepted. If purchased in the United States,
please call Samson at 1-800-372-6766 for a Return Authorization number prior to shipping the unit.
If purchased outside the United States, contact your local Samson dealer for details. Please retain the
original packing materials and, if possible, return the unit in its original carton and packing materials.
Introduction
2
S1500 / S2000 Features
The Samson S1500 / S2000 power amplifier utilizes the latest technology in professional power amplifier
design. Here are some of its main features:
• Power to spare - In the S1500, each channel delivers 750 watts of power into 4 ohms. In the S2000,
each channel delivers 1000 watts of power into 4 ohms.
• A Bridged mode links both channels, thus providing additional power (1500 watts into 8 ohms in the
case of the S1500; 2000 watts into 8 ohms in the case of the S2000).
• XLR link outputs, allowing multiple amplifiers to be “daisy-chained” together for even
more power.
Plus, the utilization of advanced circuitry and direct wiring ensures that there is no distortion in slaved
amplifiers even when the first amp in the daisy-chain is powered off.
• Clean, crisp sound - Impressive audio specifications such as 0.04% THD, dynamic range of greater
than 100 dB, crosstalk of 78 dB, and frequency response of 10 Hz to 20 kHz guarantee ultra-clean
sound quality.
• Independent 41-position detented input level controls for each channel allow precision adjustments.
• Three-segment LED meters for each channel continuously display power output levels and allow you
to correct for overloading (clipping) conditions.
• Unique stable bipolar circuit design for long life and enhanced audio performance. The circuitry
continuously keeps DC output at or near 0 volts during idling. This serves to minimize heat overload
problems by effectively preventing the S1500 / S2000 from applying power when unnecessary.
• Dual temperature-sensitive speed-controlled fans for reliable cooling without thermal and overheating
problems.
• Protection relay circuitry (with dedicated LEDs for each channel) that guards against overheating or
faulty wiring conditions and also prevents “thumps” when powering on or off. This means that you
can use the S1500 / S2000 with a single power strip into which a mixer or other audio devices are
connected, without danger of damage to connected speakers.
• Combination input connectors for each channel accommodate both balanced XLR or balanced 1/4"
TRS plugs, as well as both Speakon™ and banana jack output connectors for maximum flexibility.
• Toroidal transformer power supply for high current and low profile.
• User-resettable circuit breaker for fast, easy startup following a power supply overload.
• Supplied user-installable PowerCon™ connector power receptacle.
• The S1500 / S2000 can be mounted in any standard 19" rack (taking just three rack spaces), making
it easy to integrate the into any fixed or traveling PA rig.
• Rugged construction (an all-steel chassis with a titanium finish and a lightweight anodized aluminum
heat sink) makes the S1500 / S2000 eminently roadworthy.
• Three-year warranty.
• Last but certainly not least, value. The Samson S1500 / S2000 has been designed from the ground
up to deliver excellent yet affordable sound quality.
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