Samson D1500 specifications D2500 Specifications, ARCHITECT’S & ENGINEER’S Specifications

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PRODUCT SPECIFICATION SHEET

D 2500

SERIES

DESCRIPTION

D•CLASS

DIGITAL EQUALIZER

GENERAL DESCRIPTION (continued)

D•2500 features an advanced 32-bit point floating processor DSP interface and 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 into the future.

The D•2500 is perfectly at home in the studio or on the road. The fact is, you would use the D•2500 equalizer for its precise filtering and superb audio quality alone, but you get the power of all the features, and then some, expected from a high quality digital equalizer. Whether you are a recording or a live sound engineer you’ll get a better sound using the D•2500 Digital Equalizer!

FEATURES

> The D•2500 is a stereo or two channel digital equalizer

with each channel providing 31 bands of equalization,

each frequency band representing 1/3 of an octave, on ISO

standards, in the 20 Hz to 20 kHz range.

> The front panel provides 32 analog 45mm LED faders for

instant filter adjustment and true analog feel.

> Custom Liquid Crystal Display is easy to read and provid es

critical paramter information.

CATEGORY

DIGITAL SIGNAL PROCESSING

>The D•2500 offers programmable High and Low Pass Filters for setting contour curves or for removing low-end stage rumble.

>To help keep the over all system noise level low, the D•2500 includes a programmable Noise Gate with variable threshold control.

>An added layer of speaker protection is accomplished by using the D•2500’s programmable brick wall Limiter.

>The programmable Enhancer can be used to add extra highs or as a noise reduction system by lowering the high frequency bands when no high end content is present.

>Equalization curves plus all digital effects can be stored or recalled using the 99 Preset Locations.

>Configure larger systems using multiple D•Class units which communicate over standard MIDI, or with Samson’s optional high-speed D•Net interface card.

>Electronically balanced XLR inputs and outputs.

>Internal power supply ensures reliability and trouble-free operation.

>Standard 19”, 2 rack-space design for easy integration into any traveling or fixed installation audio system.

>Aluminum extruded front panel and steel chassis makes the D•2500 eminently road-worthy.

>Three year extended warranty.

D•2500 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 (-1dB)

 

@ 96 kHz sampling rate

Signal-to-noise-ratio

 

AIO1

Noise floor (unweighted)

 

< -92 dBFS (-78 dBU)

 

Noise floor (A-weighted)

 

< -100 dBFS (-86 dBU)

AIO2

Noise floor (unweighted)

 

< -106 dBFS (-86 dBU)

 

Noise floor (A-weighted) <

 

-112 dBFS (-92 dBU)

THD

0.005 % typ. @ +4 dBu,

 

1 kHz, unity gain

Digital Processing

 

Converter

24-bit Delta-Sigma,

Power supply

 

Mains voltage

115 V, 60 Hz, 230 V, 50 Hz

Power consumption

20 W typ.

Fuse

T 630mA for 100- 120 Volt /

 

T315mA for 220 - 240 Volt

Mains connector

Standard IEC receptacle

Dimensions (W x D x H)

19 in. x 10.5 x 3.5

 

482 mm x 267 x 89

Weight

5.1 lb.(2.31 kg)

430mm

255.4mm

TOP

482.6mm

> Advanced 32 bit floating point DSP with high-end, 24 Bit

96K sample rate Analog-to-Digital and Digital-to Analog

converters provides a pristine sound quality with low

distortion and wide dynamic range.

> Variable Q Filters with programmable bandwidth (1/4,

1/3 and 1/2 octave) ensures that the filter of the selected

frequency area stays the same even when approaching

maximum boost or attenuation. Plus, Auto Bandwidth

allows individual filters to have different filter cues. As a

result, the frequency response of the D•2500 will as close

as possible to your faders settings.

> Automated Feedback recognition, indication and suppression

(Manual or Auto mode) with Automated Filter Restoration.

> The D•2500’s fader can be set for either 3, 6 or 12 dB of

gain and attenuation for each of the frequency bands.

> An onboard programmable Delay is included for time

aligning speakers.

ARCHITECT’S & ENGINEER’S SPECIFICATIONS

The D•2500 shall be a stereo 31 band digital graphic equalizer for the purpose of equalizing an audio system. It shall have 31 faders to adjust the levels of the 31 bands of audio. The D•2500 shall also have automatic feedback reduction filters, gate, delay, enhancer, HP/LP filters and a limiter for the purpose of equalizing and balancing an audio system. The D•2500 shall have balanced XLR inputs and outputs. The inputs and outputs shall be on cards so that they can be removed and upgraded. A slot shall also be provided for a D•Net card so that the unit can communicate with other D•Class units at a faster speed than from the included midi connections. There shall be 99 digital memory locations to store and recall user program information. The D•2500 is one of a series of 3 digital processors that can operate separately or together as a single piece of analyzing equipment.

 

64/128-oversampling

Sample Rate

 

AIO1 & AIO2

32, 44.1, 48, 64, 88.2, 96 kHz

DIO1

96 kHz Type digital

 

31-band equalizer

Frequency Range

20 Hz to 20 kHz, 31 bands

 

on ISO standard frequencies

Display

 

Type

Custom LCD for parameter

 

control

Memory

 

Presets

100 memory locations, 99

 

user programable

Midi Interface

 

Type

5-pin. DIN jacks In/Out/Thru

430mm

FRONT

255.4mm

SIDE

88mm

FRONT PANEL

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES

CLASS B. OPERATION IS SUBJECT TO THE FOLLOWING TWO

CONDITIONS: (1) THIS DEVICE MUST NOT CAUSE HARMFUL

INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY

INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT

MAY CAUSE UNDESIRED OPERATION.

BACK PANEL

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Contents AI02 Features AI01 FeaturesDI01 Features DN01 FeaturesD2500 Specifications ARCHITECT’S & ENGINEER’S Specifications
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