Genelec 8250A user manual

User manual for the device Genelec 8250A

Device: Genelec 8250A
Category: Portable Speaker
Manufacturer: Genelec
Size: 0.88 MB
Added : 7/17/2013
Number of pages: 16
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Summary of the content on the page No. 1

Operating Manual
8240A and 8250A DSP Loudspeakers
dsp

Summary of the content on the page No. 2

2

Summary of the content on the page No. 3

INTRODUCTION Congratulations and a thank-you for the purchase of this Genelec 8200 Series DSP Loudspeaker. These systems are designed to integrate easily into the digital production environment. There are several ways to configure and operate the DSP loudspeakers for a wide variety of high quality audio applications. The loudspeakers also have analog inputs, making them versatile and intelligent replacements for analog loudspeakers. This manual addresses setting up and using the 8240A and 82

Summary of the content on the page No. 4

harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is

Summary of the content on the page No. 5

USING THE 8240A AND 8250A IN STAND-ALONE MODE The 8240A and 8250A accept both analogue line level input signals and AES/EBU formatted digital input signals. When the 8240A and 8250A are not connected to Genelec loudspeaker control network, they operate in the stand-alone mode. However, settings made with the Genelec Loudspeaker Manager software can be saved into each loudspeaker and applied even when the network is disconnected by setting switch 1 “STORED/MANUAL CONTROL” on switch group 2 o

Summary of the content on the page No. 6

“DIGITAL IN AES/EBU” connector Use this female XLR connector for AES/EBU formatted digital audio input signals. This input is selected automatically when a valid digital audio signal is present, and overrides the analogue input. Depending on the digital hardware, transmission of a 192 kHz sample rate is achieved using a double speed, single channel/cable interface. This is called dual-wire mode. In this case one cable per channel is used and no channel selection is required. Dual-wire mode i

Summary of the content on the page No. 7

The overload light (red) is activated by several events, • exceeding the maximum input range of the analog input • exceeding the maximum input range of the digital input with large probability • exceeding the output capacity of the power amplifier (clipping in the power amplifier) and thermal overload of the power amplifier or loudspeaker drivers (thermal protection has activated) • if an error is detected in the AES/EBU audio data If a red warning light appears, turn the analog source down! I

Summary of the content on the page No. 8

Mounting options The vibration insulating Isolation Positioner/Decoupler™ (Iso-Pod™) table stand allows tilting of the loudspeaker for correct alignment of the acoustic axis. The stand can be attached to three mounting points allowing vertical and symmetrical horizontal positioning. Genelec 8240A and 8250A can be fitted to König & Meyer loudspeaker mounts on two sets of M6x10 mm threaded holes on the back of the enclosure. On the base of the enclosure is an M10x10 mm threaded hole which can

Summary of the content on the page No. 9

This feature is designed to compensate for the boost often occurring at this frequency range when the loudspeaker is placed upon a meter bridge, table or similar reflective surface. Treble Tilt control Treble Tilt control (switches 6 and 7) allows adjusting the treble response above 5 kHz by +2 dB, -2 dB or -4 dB, which can be used for correcting an excessively bright or dull sounding system or to compensate for high frequency level loss if the loudspeaker is placed behind a screen. An acou

Summary of the content on the page No. 10

Functions on Switch Group 2 Stored / Manual Ctrl This allows the selection between two basic methods of controlling the loudspeaker in the stand-alone mode. “MANUAL CTRL” refers to controlling the loudspeaker using the controls on the loudspeaker’s back panel. The “STORED” refers to using settings stored inside the memory of the loudspeaker. These settings are made using the GLM and the GLM Control Network. There is additional functionality compared to that offered by the room response corre

Summary of the content on the page No. 11

• Connect the GLM Control Network to the main loudspeakers. • Make a System Setup in GLM. It will consist of main loudspeakers as this is all the network can see, so suitable Rapid Cabling Presets are “Stereo Pair (Analog)” and “5.0 Surround System (Analog)”. • Run AutoCal and review and the results to check for large dips at or above 85Hz. Move the loudspeakers and repeat AutoCal if there is a problem. • Press “Finish”, then in the Main Page select “Menu | Store Acoustic Settings to All

Summary of the content on the page No. 12

Guarantee Genelec 8240A and 8250A are supplied with one year guarantee against manufacturing faults or defects that might alter the performance of the loudspeakers. Refer to supplier for full sales and guarantee terms. 8240A Accessories Order code Description 8000-408 Floor stand (K&M 26740-000-58) 8000-401B Wall mount, black (K&M 24180-000-55) 8000-401W Wall mount, white (K&M 24180-000-57) 8000-402B Wall bracket, black (K&M 24475-000-55) 8000-402W Wall bracket, white (K&M 24475-000-57)

Summary of the content on the page No. 13

SPECIFICATIONS 8240A 8250A Lower cut-off frequency, -3 dB ≤ 45 Hz ≤ 35 Hz Upper cut-off frequency, -3 dB ≥ 21 kHz ≥ 21 kHz Free field frequency response of system (± 1.0 dB) 48 Hz - 20 kHz 38 Hz - 20 kHz Maximum short term sine wave acoustic output on axis in half space, averaged from 100 Hz to 3 kHz @ 1 m ≥ 105 dB SPL ≥ 110 dB SPL @0.5 m ≥ 111 dB SPL ≥ 116 dB SPL Maximum long term RMS acoustic output in same conditions with ≥ 99 dB SPL ≥ 101 dB SPL IEC weighted noise (limited by driver u

Summary of the content on the page No. 14

8240A 8250A Analog audio input connector XLR female, pin 1 gnd, pin 2 +, pin 3 - Analog audio input impedance 10 kOhm balanced Input level for maximum short term output of 100 dB SPL @ 1m Adjustable from +6 to -6 dBu Crossover frequency, Bass/Treble 3.0 kHz 1.8 kHz Treble Tilt control operating range in 2 dB steps +2 to -4 dB & MUTE +2 to -4 dB & MUTE @ 15 kHz @ 15 kHz Desktop low frequency control operating range -4 dB @ 160 Hz -4 dB @ 160 Hz Bass Roll-Off control operating range in 2 dB ste

Summary of the content on the page No. 15

The curves above show the effect of the “Bass Tilt”, “Treble Tilt”, The upper curve group shows the horizontal directivity characteristics “Desktop Low Frequency” and “Bass Roll-Off” controls on the of the 8240A measured at 1 m. The lower curve shows the system's free field response of the 8240A. power response. The curves above show the effect of the “Bass Tilt”, “Treble Tilt”, The upper curve group shows the horizontal directivity characteristics “Desktop Low Frequency” and “Bass Roll-Off”

Summary of the content on the page No. 16

Genelec Document D0048R001a. Copyright Genelec Oy 3.2006. All data subject to change


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