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Summary of Contents for Biamp EQ281
- Page 1 EQ281/8 EQ282/8 & Digitally Controlled 1/3-Octave Equalizers operation manual ® Biamp Systems, 10074 S.W. Arctic Drive, Beaverton, Oregon 97005 U.S.A. (503) 641-7287 http://www.biamp.com 6/12/98 an affiliate of Rauland Borg Corp.
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Page 2: Table Of Contents
Filter design utilizing Constant-Q technology guarantees precise system tuning with less filter interaction, better filter Logic Inputs pg. 7 combining, and constant filter bandwidth at any setting. EQ281/8 & EQ282/8 are covered by a five-year warranty. RS-232 Control pgs. 8~9 EQ281/8 &... -
Page 3: Front Panel
FRONT PANEL ADVANTAGE EQ 281/8 preset Digitally Controlled EQ peak bypass ADVANTAGE EQ 282/8 preset preset Digitally Controlled EQ peak bypass peak bypass Channel 1 Channel 2 Preset: This seven segment LED display indicates which Peak: This red LED indicates output level has reached +14dBu preset is currently selected. -
Page 4: Rear Panel
DC Out: This 6-pin Modular jack supplies ±12 Volts DC, for Port’ configuration (see Link Port). From the factory, the ‘last’ powering external accessory devices. The EQ281/8 DC Out switch is up. When connecting multiple devices, the ‘last’ switch provides up to 100mA maximum current. The EQ282/8 DC Out must be switched down on all devices except the final (‘last’) -
Page 5: Setup Pgs. 4~6
The Main screen appears whenever an equalizer file is opened. Button Definition & Configuration Options screens are then available from the Configure EQ282/8 (EQ281/8) menu. The File menu provides functions such as open, close, save, etc. - Page 6 (see Logic Inputs on pg. 7). From the factory, Logic Inputs 1~8 are programmed to recall presets 1~8 respectively (Channel 1 on an EQ282/8). On an EQ282/8, Logic Inputs 9~16 are programmed to recall presets 1~8 for Channel 2. On an EQ281/8, Logic Inputs 9~16 are programmed to do nothing.
- Page 7 SETUP CONFIGURATION OPTIONS SCREEN The Configuration Options screen is used to select options which customize the operation of the equalizer. At the top of the Configuration Options screen, the Serial Number and Firmware Version of the equalizer will be displayed. The PC Control Software can operate ‘off-line’ (with no product connected) by opening a ‘new’...
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Page 8: Logic Inputs
Inputs 1~8 are programmed to recall presets 1~8 respectively (Channel 1 on an EQ282/8). On an EQ282/8, Logic Inputs 9~16 are programmed to recall presets 1~8 for Channel 2. On an EQ281/8, Logic Inputs 9~16 are programmed to do nothing. However, Logic Inputs may be individually programmed to perform other functions, using the PC Control Software and serial cable provided with the equalizer (see Setup on pg. -
Page 9: Rs-232 Control Pgs. 8~9
The EQ281/8 & EQ282/8 have an RS-232 compatible Serial Port, which allows them to be controlled by a computer (see Rear Panel: Serial Port on pg. 3). In addition to the PC Control Software, the EQ281/8 & EQ282/8 offer two other methods of computer control. - Page 10 ADVANTAGE of the next device, and so forth (see diagram below). Link cables are available as an option (Biamp #909-0057-00). NOTE: All but the final device in a system should have its ‘last’ switch down (see Rear Panel: Baud Rate on pg. 3). The Link Port will also transmit commands which are received via the Logic Inputs.
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Page 11: Applications Pgs. 10~11
RP-S4 is connected to the EQ281/8 Logic Inputs for selecting Presets 1~4. A custom switch panel can be used to access all eight presets. The EQ281/8 Link Port is connected to the DRC 4+4 Serial Port. This allows remote control and preset selection, not only of equalization, but of channel... - Page 12 APPLICATIONS ® ADVANTAGE SPM 522D BIAMP SYSTEMS outputs mic 1 mic 1 Portland, Oregon phtm zone main mute signal present patch level level level an affiliate of zone main power trim limit limit Rauland-Borg Corp. stereo 30dB mono -20dB 0dB...
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Page 13: Specifications & Block Diagram
Maximum Output Level (balanced into 600 ): Width 9.1Hz~171.9Hz 7 inches (178mm) Depth High-Pass Filter (12dB/octave - programmable): 1.9kHz~34.7kHz Weight: 7 lbs. (3.18kg) Low-Pass Filter (12dB/octave - programmable): EQ281/8 & EQ282/8 Block Diagram (one channel shown) 31.5Hz 16kHz level peak detect output input... -
Page 14: Warranty
WARRANTY BIAMP SYSTEMS IS PLEASED TO EXTEND THE FOLLOWING 5-YEAR LIMITED WARRANTY TO THE ORIGINAL PURCHASER OF THE PROFESSIONAL SOUND EQUIPMENT DESCRIBED IN THIS MANUAL. BIAMP Systems expressly warrants this product to be 5. BIAMP SYSTEMS SHALL NOT IN ANY EVENT BE...
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