Genelec DSP 8260A Guide d'installation

The New 8260A Three-Way DSP Loudspeaker System

with Minimum Diffraction Coaxial

(MDC™) Technology

Leader in Active Monitoring since 1978

www.genelec.com

The New 8260A Three-Way DSP Loudspeaker System

with Minimum Diffraction Coaxial

(MDC™) Technology

Masterpiece In Electro-Acoustic Design

Genelec 8260A features major advances in audio driver

technology integrated to a sophisticated enclosure design.

Genelec MDC™ Minimum Diffraction Coaxial Mid/High

driver technology takes a big step in perfecting audio quality

in professional active studio monitors. This breakthrough in

coaxial driver design provides extremely accurate imaging

and improved sound quality both on the acoustical axis as well

as off-axis. The extremely smooth frequency response leads

to outstanding clarity and deﬁnition of the inner details of the

music. The 8260A combines, for the ﬁrst time, a coaxial driver

(MDC™) with a modern Directivity Control Waveguide™

technology (DCW™), ensuring drivers to couple coherently

over their full operating bandwidth, as well as creating

coincident mid-frequency/high-frequency point source.

Designed To Adapt

As a new member of the TEC (Technical Excellence and

Creativity) Award-winning 8200 Series, the 8260A features

Genelec DSP digital signal processing responsible for all

loudspeaker functions, such as the crossover ﬁlters, driver

equalizers, driver position alignment, room response alignment,

calibration, and equalization related ﬁlters as well as distance

compensating delays. The Genelec Loudspeaker Manager™

(GLM™) software manages all these functions allowing the

8260A to be used together with other 8200 Series DSP monitors

and 7200 Series subwoofers in the same setup. Genelec

AutoCal™ automated room calibration and sound system

alignment method provides consistent and accurate frequency

response for a multichannel audio system in widely varying room

environments. The GLM™ software kit is available separately.

The 8260A is housed in a die-cast aluminium Minimum

Diffraction Enclosure™ (MDE™) with acoustically optimized

rounded edges to prevent diffractions and yielding superb sound

stage imaging. Of course, the robust enclosure is also completely

immune to vibrations.

MDE™ –Minimum Diffraction

Enclosure

In order to improve frequency and power

responses, Genelec has designed a

rugged enclosure, featuring acoustically

optimized rounded edges and gently

curved front and sides. In addition to

unsurpassed frequency response, the

minimized cabinet edge diffraction yields

superb imaging qualities.

MDC™ –Minimum Diffraction

Coaxial driver

The midrange driver cone forms a

smooth, continuous surface between the

tweeter and the enclosure. This prevents

acoustical diffractions. Diffractions are a

major cause of uneven high frequency

response in traditional coaxial drivers.

The smooth midrange surface contributes

to a perfect DCW™ behavior. The treble

and midrange drivers couple coherently

over their full operating bandwidths as a

single coincident point source.

Genelec 8200 Series DSP Technology

The sophisticated acoustical design of the 8260A is complemented by Genelec DSP

Technology and GLM™ software, providing powerful and practical tools such as AutoCal™

for accurate alignment, calibration and control of the monitoring system in all situations.

Advanced Genelec DCW™

The innovative DCW™ is formed by

blending the new MDC™ surface

perfectly with the enclosure front

shape to provide extremely accurate

control of the speaker’s directivity. This

acoustically optimized smooth DCW™

shape is integrated in the enclosure

and is maximized in area to achieve an

astoundingly ﬂat on-axis and off-axis

frequency response.

1Absence of

discontinuities between

cone and enclosure

results in perfect

directivity behavior

2Continuous surface

maintains coherent

response in the critical

frequencies

3Coaxial tweeter and

midrange result in

perfect imaging

8260A vertical directivity plot.8260A horizontal directivity plot.

Genelec Minimum

Diffraction Coaxial™

(MDC™) driver

Startling New Design

Genelec has history of unexpected innovations. Our

approach is basically simple: solve the problems by

eliminating their root causes.

Coaxial drivers have existed for tens of years in two-

way designs but are uncommon in three-way systems,

where they would reproduce mid and high frequencies.

Typical to all current coaxial designs is somewhat ragged

frequency response due to inherent diffraction problems.

Nevertheless, crossover issues due to non-coincident

location of sources are often solved with traditional coaxial

conﬁgurations. Here lay the seeds of Genelec’s Minimum

Diffraction Coaxial (MDC™) solution: while it beneﬁts from

typical coaxial design advantages, it now overcomes the

serious shortages as well.

Elimination of Acoustical Discontinuities

The main structure of the MDC™ tweeter-midrange

coaxial design consists of an integrated midrange

diaphragm-suspension-tweeter. The visible part of the

coaxial driver is formed by a cone with a ﬂexible foam

curved to support the radiation of the tweeter in its center.

The inner section joins the cone to the tweeter without any

acoustical discontinuity, and the outer one does the same

between the cone and the driver chassis. As there are

no acoustically observable discontinuities between the

tweeter and the cone, just a smooth surface, there is no

diffraction either.The cone proﬁle is very carefully optimized

to form an integrated directivity control waveguide for the

tweeter radiation. The driver outer edge is terminated to

an advanced DCW™ waveguide in order to control the

dispersion of midrange radiation as well.

This breakthrough in coaxial design provides improved

imaging and extremely smooth frequency response both

on and off-axis, leading to outstanding clarity and deﬁnition

of the inner details of the music.

The Powerful

Genelec DSP

Genelec 8260A and other 8200 and 7200 Series

loudspeaker systems have an independent dedicated

DSP signal processing engine in each loudspeaker. All

AES/EBU digital audio formats are supported, as well as

standard line level analog signals. The 8200/7200 Series

accepts sampling rates ranging from 32 kHz to 192 kHz.

Up to 30 loudspeakers and subwoofers can be connected

on, set up and controlled with GLM™ control network over

standard CAT5 cabling. Genelec Loudspeaker Manager™

(GLM™) is a computer software providing full real-time

control of all aspects of all loudspeakers on the network.

Fast And Easy Calibration With AutoCal™

AutoCal™ is a fully automated loudspeaker system alignment

algorithm within GLM™ software. It sets levels, distance

compensating delays, phase (for subwoofers) and room

response equalization using a factory-calibrated Genelec

measurement microphone included in the GLM™ software

kit. SinglePoint™ and MultiPoint™ microphone locations

for one, two, or three-person mixing environments can be

selected. The Interactive Response Editor provides visual

readout of measured and corrected response curves as

well as full manual editing of all acoustical settings.

All functions and settings are stored in GLM™ System

Setup Files or directly into each loudspeaker. As the

control network is separate from the audio cabling, the

control network can be dismantled and moved to another

place after saving the settings into the loudspeakers.

Furthermore, the 8200 Series loudspeakers retain all the

features and beneﬁts of Genelec 8000 Series products and

can be used independently of the GLM™ control network.

The on-axis free ﬁeld response of the 8260A.

Group delay of the 8260A.

The New Genelec 8260A Three-Way DSP Loudspeaker System is a masterpiece in electro-

acoustic system thinking where mechanical, acoustical and signal processing designs are intimately linked

together. The revolutionary MDC™ coaxial driver design eliminates all acoustical discontinuities and the

integrated structure with the aluminium enclosure and waveguide provides exceptional clarity and sound stage

imaging. Combining the beneﬁts of a coaxial driver seamlessly with directivity control and including a fully

automated calibration process with GLM™ and AutoCal™ results in a true breaktrough in audio monitoring.

Genelec Document BBAGE066a. Copyright Genelec Oy 12.2009. All data subject to change.

Speciﬁcations in brief

8260A

Drivers

Bass

Midrange

Treble

255 mm (10")

120 mm (5") laminate cone

19 mm (3/4") coaxial Al-dome

Free ﬁeld frequency response of system 29 Hz - 21 kHz (± 1 dB)

Maximum peak acoustic output @ 1 m with music

material

≥120 dB SPL

Maximum short term sine wave acoustic output

@ 1 m on axis in half space, averaged as speciﬁed

(from 100 Hz to 3 kHz)

≥ 113 dB SPL

Crossover frequencies 490 Hz, 2.6 kHz

Self generated noise level in free

ﬁeld @ 1 m on axis (A-weighted)

<5 dB SPL

Harmonic distortion at 90 dB SPL @ 1 m on axis

Freq: 50…100 Hz

> 100 Hz

< 1 %

< 0.5 %

Input signal connectors

Analog 10 kOhm balanced

AES/EBU (single wire and dual wire) 110 kOhm

1 XLR female

Output / Thru signal connectors

AES/EBU (single wire and dual wire) 110 kOhm 1 XLR male

Digital audio

Word length

Sample rate

16 - 24 bits

32 - 192 kHz

Control network

Type

Connection

proprietary GLMTM network

2 RJ45, CAT5 cables

GLMTM / GLM.SETM software frequency response

adjustment *

Notch ﬁlters

Shelving ﬁlters

4 LF and 2 HF

2 LF and 2 HF

System calibration * AutoCalTM, Stand-alone

Bass ampliﬁer output power

Midrange ampliﬁer output power

Treble ampliﬁer output power

(Long term output power is limited by driver

protection circuitry)

150 W

120 W

Power consumption

Idle

Full output

26 VA

330 VA

Dimensions

Height without Iso-Pod™ table support

Height with Iso-Pod™ table support

Width

Depth

570 mm (22 7⁄16")

593 mm (23 3⁄8")

357 mm (14 1⁄16")

347 mm (13 5⁄8")

Weight 27.5 kg (60.5 lb)

GLM™ Genelec Loudspeaker Manager Software

Genelec Loudspeaker Manager™ software manages

connectivity to all loudspeakers on the network

– up to 30 – from cabling and labeling to

complete loudspeaker deﬁnitions. Standard

system conﬁgurations are provided as well

as provision for customized User Setups.

All functions and settings are stored in

these Setups or you can store this data

in each loudspeaker should you wish to

disconnect the network and operate without

GLM™ to ensure security of your monitoring system.

Operating system supported Windows XP, Vista/Mac OS X 10.4 or later *

Number of loudspeakers supported 30

Number of audio channels supported 24 (AES/EBU single-wire),

12 (Analog, AES/EBU dual-wire)

System calibration AutoCal™, GLM™ manual

Major components included GLM™ Network interface device

8200A Calibration microphone and holder

USB cable

Measurement signal cable

Software CD

System Operating Manual

Order code 8200-601B

GLM™ Multiroom Expansion Kit

Major components included GLM™ Network interface device

GLM™ Control Network cable

USB cable

Order code 8200-602

*Check current support from www.genelec.com

* The notch and shelving ﬁlter adjustments and AutoCal™ system calibration features

are part of the Genelec Loudspeaker Manager (GLMTM) software.

Leader in Active Monitoring since 1978

www.genelec.com

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