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  5. Owner's Manual

Samson D-2500 Owner's Manual - Controls and Functions

Manual is about: DIGITAL DUAL 31 BAND EQUALIZATION SYSTEM

Summary of D-2500

  • Page 1

    Digital dual 31 band equalization system.

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    Safety instructions/consignes de sécurité/sicherheitsvorkehrungen/instrucciones de seguridad achtung: um die gefahr eines brandes oder stromschlags zu verringern, sollten sie dieses gerät weder regen noch feuchtigkeit aussetzen.Um die gefahr eines stromschlags zu verringern, sollten sie weder deckel...

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    Copyright 2004 - 2005. Samson technologies corp. Printed september, 2005 v1.2 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 table of contents introduction 2 d2500 features 3 controls and ...

  • 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 5: D2500 Features

    3 d2500 features the samson d2500 digital graphic equalizer utilizes state-of-the-art, dsp and filtering technology for precise tonal control. Here are some of its main features: • the d2500 is a stereo or two channel digital equalizer with each channel providing 31 bands of equalization, each frequ...

  • Page 6: Controls and Functions

    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: Controls and Functions

    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: D2500  Quick Start

    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 the...

  • Page 9: D2500  Quick Start

    Setting up the d2500 to work in manual mode (continued) 7. Press the rear panel power switch to turn on the d2500. Note, if you are using the optional ai02 analog i/o board, the audio signal will be muted for approximately five seconds until the relay power-on circuitry is activated (at which time y...

  • Page 10: Operating The D2500

    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 11: Operating The D2500

    9 to change the master fader’s attenuation range follow these steps: • press the global control switch until you see the m.F.. • use the data wheel to select the operating range of master fader. • to keep the new changes, press the store button and you will exit the global mode and both the store an...

  • Page 12: Operating The D2500

    10 using the d2500 in manual mode the d2500 can be used as a stand-alone basic digital signal processor using any stored or recalled memory parameters when set to manual mode. If you want to use all the power processing of the d2500, but you don’t want to recall or save any presets, you can operate ...

  • Page 13: Operating The D2500

    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 w...

  • Page 14: Operating The D2500

    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 rever...

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    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: Operating The D2500

    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: Operating The D2500

    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 ...

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    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: Operating The D2500

    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 stand...

  • Page 20: Operating The D2500

    18 selecting midi omni mode you can program the d2500 to receive midi messages in omni mode by following the next steps. • press the midi switch until that lcd reads omni. • use the data wheel to select omni on. • to keep the new changes, press the store button and you will exit the midi mode and bo...

  • Page 21

    19 when you use the d1500 rta and the d2500 digital eq together they combine to create a powerful automatic equalization system. You simply connect the two units using d-net or midi, and then the d1500’s auto eq feature to let the onboard dsp’s measure your system response and adjust the equalizer f...

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    20 using auto eq with the d2500 digital equalizer when you use the d1500 rta and the d2500 digital eq together they combine to create a powerful automatic equalization system. You simply connect the two units using d-net or midi, connect a high quality measurement microphone, like the samson mm01, a...

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    21 using the d1500 with the d2500 in order for the d1500 and d2500 to communicate with each other it is necessary to configure the midi param- eters so that the units are communicating properly. Follow the steps below to configure the midi parameters for communication between one d1500 rta and one d...

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    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 ...

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    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

    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: System Configurations

    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: System Configurations

    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 29: D2500 Wiring Guide

    D2500 wiring guide d2500 wiring guide there are several ways to interface the d2500, depending on your exact monitoring set-up. Follow the cable diagrams below for connecting your monitor system. 27 ...

  • 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 (-...

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    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.