Page 3 - Table of Contents
Copyright 2004 - 2005. Samson Technologies Corp.Printed September, 2005 v1.2Samson Technologies Corp.575 Underhill Blvd.P.O. Box 9031Syosset, NY 11791-9031Phone: 1-800-3-SAMSON (1-800-372-6766)Fax: 516-364-3888www.samsontech.com Table of Contents Introduction 2 D2500 Features 3 Controls and Function...
Page 4 - Introduction
2 Congratulations! You just purchased one of the most innovative and useful audio tools available to sound engineers today, the D2500 Digital Equalizer from Samson Audio! The D2500 is a dual channel, 1/3 Octave, 31 Band Digital Graphic Equalizer featuring cutting edge DSP and analog-to-digital conve...
Page 6 - Controls and Functions; Front Panel Layout
4 1 FADER – 45mm LED fader for each of the 31 frequency bands, which can be software set for +/- 12 dB or +/- 6 dB, or +/- 3 dB of cut and boost. 2 ABOVE NULL LED – Red LED indicating the fader is below the null (matching) point. Note: the null point is the exact location where the fader's physical ...
Page 7 - Rear Panel Layout
5 A POWER SWITCH – When set to the ON position the D2500 is powered up and ready for operation. B MIDI IN DIN connector – The D2500 receives standard, or system exclusive, MIDI data here. C MIDI OUT DIN connector - The D2500 transmits stan- dard, or system exclusive, MIDI data here. D MIDI THRU DIN ...
Page 8 - SETTING UP THE D2500 to work in MANUAL mode; Remove all packing materials (save them in case of
4. The D2500 can be used either as an “in-line” device, as an insert device (in conjunction with mixer insert points), or in an effects send-return loop. The illus-trations on pages 20 - 22 show each of these typical configurations. Choose the configuration that is best for your application and then...
Page 10 - Click Menu Function; Selecting the Input; • Press the GLOBAL control switch a few times until you; Navigating the D2500 Controls; You should know this !
8 GLOBAL The GLOBAL control allows you to set up the various system parameters including the input , the equalizer filter band-width, filter range and the range of the Master Fader. The Global Switch Has Five Clicks! Click Menu Function Value 1 Inp. Input Opt 1, Opt 2 2 Md. Mode Stereo, Dual 3 F.Bw ...
Page 13 - Working with the D2500 Faders; The null point is the exact location where the fader's
11 Working with the D2500 Faders Unlike menu driven, black box devices, the D2500 is a digi-tal equalizer with standard 45 mm analog faders for the 31 filter bands, plus the Master level fader for true analog control. If you are operating the D2500 in Manual mode, the faders work exactly like you wo...
Page 14 - You should know this!; Using the EQ section; Function
12 Using the Process Switches Using the Process Switches In addition to being a great sounding, clinically precise, digital equalizer, the D2500 provides a host of useful digi-tal effects, which have been designed to make an audio engineer’s job easier and project sound better. Don't look for reverb...
Page 15 - Using the Internal Noise GATE; Using the Internal DELAY
13 • Press the FBM switch and use the Data Wheel to and • Press the FBM switch and use the Data Wheel to and select FBM: ON. • Now, engage the effect by pressing the IN / OUT switch until the yellow LED lights. • To access the Feedback Sensitivity parameter, press the FBM switch until you see the me...
Page 16 - Setting up and Using the High Pass and Low Pass Filters; Click Menu
14 Once the highs return, the Enhance releases automatically. Of course the D2500 let’s you dial up just the right amount of Enhancer for your project, so follow the steps below to activate the Enhancer. • Press the ENHANCER switch so that the yellow LED is lit. • Engage the effect by pressing the I...
Page 17 - The LIMITER Switch Has Two Clicks!; Using the A/B Feature
15 Operating the D2500 Using the Internal LIMITER for Basic Speaker Protection In order to help you protect your speaker system, the D2500 employs a digital Limiter. The D2500's Limiter is a brick wall type with a very fast attack time and a very slow release time. When engaged, the digital Limiter ...
Page 18 - Storing Programs in the D2500; Loading Programs in the D2500
16 Storing Programs in the D2500 The D2500 has 99 memory locations (labeled 01-99) for storing user presets. You can save the equalization curve, as well as all the parameters for the routing and the onboard effects that may be active. Saving the preset is a simple procedure which is accomplished wi...
Page 19 - MIDI and D Net; Setting the D2500 to Transmit and Receive MIDI; • Press the MIDI switch until that LCD reads Midi: Off.; Selecting a MIDI Channel; • To keep the new changes, press the STORE button and
17 Operating the D2500 MIDI and D Net For expanded system control, the D2500 uses standard MIDI, as well as Samson’s D Net communication protocols, to transmit and receive digital control information to and from additional D class units, other MIDI devices, or per-sonal computers. You can use standa...
Page 24 - Using the D1500’s EQ Display; • Connect the MIDI OUT of the D1500 to the MIDI IN of
22 Using the D1500’s EQ Display The D1500 can be used to display the equalization curve from 1, or up to 15, D2500 Digital Equalizers using the standard MIDI or optional D-Net interface. Before you get started using the EQ display feature, press and hold the EQ switch for about two seconds and take ...
Page 25 - • While the D1500 is set to RTA, you may need to; Using the signal Generator; • Connect your mixer, equalizer and power amplifiers
23 • Now run your mic, MP3, or CD player signal, press RTA on the D1500 and check the LCD Meters on the D1500. • While the D1500 is set to RTA, you may need to adjust the GAIN to set the reference point of the display. Once you confirm that the system is operating normally and that the RTA can read ...
Page 26 - System Configurations; Using the D2500 with Passive Speakers
24 System Configurations In this example, the mixer’s stereo output is connected to the D2500’s inputs. Then, the D2500’s outputs are connected to the inputs of each active (self-powered) loudspeaker. Using the D2500 with Passive Speakers In this example the mixer’s stereo output is connected to the...
Page 27 - Using the D2500 for Mains and Monitors
System Configurations 25 Using the D2500 for Mains and Monitors Using the D2500 into Insert Points You can use the D2500 in your mixer’s insert points if you want to equalize two mono channels individually in the mix. In this example the D2500’s Channel 1 INPUT and OUTPUT are inserted on a bass guit...
Page 28 - Using Two D2500’s for Mains and Monitors
26 System Configurations Using Two D2500’s for Mains and Monitors In this e xample , t w o D2500’ s ar e used f or the st er eo main and f or the 2-channel monit or mix. T he mix er ’s lef t and r ight outputs ar e c onnec ted t o the first D2500’ s inputs f or the main PA sp eak ers . T hen, the ou...
Page 30 - Specifications
28 Specifications Inputs Type electronically balanced Connector XLR Impedance 22 kΩ at 1 kHz Max. input level +22 AIO1: +14dBu AIO2: +20dBu Outputs Type electronically balanced Connector XLR Impedance 100 Ohms at 1 kHz Max. output level AIO1: +14dBu AIO2: +20dBu Frequency Response 10 Hz to 35 kHz (-...
Page 32 - Samson Technologies Corp.
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
