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Congratulations on purchasing the Samson D1500 dual channel,1/3 Octave, Digital Real Time Analyzer!
Although this product is designed for easy operation, we suggest you take some time out first to go through
these pages so you can fully understand how we’ve implemented a number of unique features. If you don’t
know what kind of acoustic environment you are dealing with, even the best equipment can provide sound
lacking in detail and presence. That’s where the D1500 Real Time Analyzer comes in. The D1500 is a powerful
and accurate audio measurement device with 31-bands of real time frequency analysis and Auto EQ correc-
tion. What would once take you hours to do, can now be performed in minutes. And the result, your audio
system is set to a true, sonically flat frequency response, or to your own custom pre-set response curve that
you’ve stored in the D1500’s internal memory. This process is simplified with the D1500 thanks to its large LED
display, (which is extremely easy to read in any live sound setting) simple user interface and powerful equal-
ization correction algorithms. In addition to the RTA, the D1500 includes a Phase correlation meter, VU level
meter, and a Signal Generator capable of producing White or Pink Noise as well as a tunable Sine Wave. The
D1500 includes a balanced microphone input, with phantom power, that will work with just about any test
measurement microphones, although we recommend a microphone with an extended and linear frequency
response such as Samson’s MM01 measurement microphone. The D1500 features standard MIDI implementa-
tion and Samson’s D-Net, enabling device-to-device linking for creating larger audio systems, for interfacing
to a personal computer. When linking the units you see the full power of the D-class system. With a basic
MIDI connection, you can have the D1500 RTA display the fader positions of the D-2500 digital EQ, giving you
the power of digital processing with a unique analog feel. For systems using many D class units, the D1500
can be fitted with the DN1 D-Net network card. Samson’s D Net is a high-speed communication protocol for
connected multiple D class units, like the D2500 digital equalizer or D3500 feedback management system.
In additional to being 10 times faster than MIDI, the error rate is so close to zero, it’s difficult to measure. All
settings and parameters can be stored in any of the 99 user-preset locations providing instant recall of your
favorite setups. Like all D class models, the D1500 features an advanced 32-bit point floating processor DSP
interface to high quality converters with 24-bit audio resolution and sample rates up to 96kHz for pristine
audio quality. You can even upgrade your D class units to premium Analog-to-Digital and Digital-to-Analog
I/O (Input/Output) converter boards, keeping your D class system up to date with the best technology, and
sound, far onto the future.
In this manual, you’ll find a detailed description of the features of the D1500 , as well as a guided tour through
the front and rear panels, step-by-step instructions for using the unit and suggested applications for analyzing
response curves of systems using digital or analog equalizers.
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. Also, be sure to check out our website (http://www.samsontech.com) for complete information about
our full product line.
With proper care and adequate air circulation, your D1500 will operate trouble free for many years. We recom-
mend you record your serial number in the space provided below for future reference.
Serial number: _______________________________
Date of purchase: _____________________________
Should your unit ever require servicing, a Return Authorization number (RA) must be obtained before ship-
ping your unit to Samson. Without this number, the unit will not be accepted. Please call Samson at 1-800-
3SAMSON (1-800-372-6766) for a Return Authorization number prior to shipping your unit. Please retain the
original packing materials and if possible, return the unit in the original carton and packing materials.
Introduction
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