Genelec 8250A Operating Manual
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Genelec 8250A Operating Manual

Genelec operating manual dsp loudspeakers 8240a, 8250a
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Operating Manual
8240A and 8250A DSP Loudspeakers
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Summary of Contents for Genelec 8250A

  • Page 1 Operating Manual 8240A and 8250A DSP Loudspeakers...

  • Page 3: Ec Declaration Of Conformity

    Use with the GLM™ is described in the DSP System Operating Manual. EC Declaration Of Conformity This is to certify that Genelec 8240A and 8250A DSP loudspeakers conform to the following standards: Safety: EN 60065: 2002 / IEC 60065:2001 7th Edition...
  • Page 4 Drivers The bass driver dimensions are 165 mm (6 1/2”) and 205 mm (8") for 8240A and 8250A respectively. The long, flow optimized reflex tube has a large cross sectional area and terminates with a wide flare at the back of the enclosure.
  • Page 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.
  • Page 6 If the digital inputs are used, all audio outputs are referenced to 0 dBFS (digital Full Scale, the largest level that may be represented in the AES/EBU signal). Genelec DSP loudspeakers produce 100 dB SPL at 1 meter in free space for a digital input signal of –30 dB FS. It is advantageous to keep the digital level as high as possible.

  • Page 7: Mounting Considerations

    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) •...

  • Page 8: Setting The Input Sensitivity

    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 be used for securing the loudspeaker to its base.
  • Page 9 Please note that the GLM Loudspeaker Controller allows a much more versatile and precise set of controls to be used, and supports the fully automatic system alignment feature, the Genelec AutoCal. Loudspeaker Mounting Position Flat anechoic response...
  • Page 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.

  • Page 11: Maintenance

    Free flow of air behind the loudspeaker is necessary to maintain sufficient cooling. Do not obstruct airflow around the loudspeakers. WARNING! Genelec 8240A and 8250A loudspeakers are capable of producing sound pressure levels in excess of 85 dB, which may cause permanent hearing damage.
  • Page 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)

  • Page 13: Specifications

    Weight: Dimensions: Height (without Iso-Pod table support) Height (including Iso-Pod table support) Width Depth 8240A 8250A ≤ 45 Hz ≤ 35 Hz ≥ 21 kHz ≥ 21 kHz 48 Hz - 20 kHz 38 Hz - 20 kHz ≥ 105 dB SPL ≥...
  • Page 14 Digital audio format Digital audio word length Digital audio sample rate AD conversion dynamic range 8240A 8250A XLR female, pin 1 gnd, pin 2 +, pin 3 - 10 kOhm balanced Adjustable from +6 to -6 dBu 3.0 kHz 1.8 kHz +2 to -4 dB &...
  • Page 15 The upper curve group shows the horizontal directivity characteristics of the 8240A measured at 1 m. The lower curve shows the system's power response. The upper curve group shows the horizontal directivity characteristics of the 8250A measured at 1 m. The lower curve shows the system's power response.
  • Page 16 Genelec Document D0048R001a. Copyright Genelec Oy 3.2006. All data subject to change...

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