Congratulations on your purchase of the BBE Graphic Equalizer! IMPORTANT Before you begin, please check the contents within this box to insure that included are: 1. The BBE EQA215, EQA131 or EQA231 Graphic Equalizer. 2. The Graphic Equalizer User's manual. 3. Power cord.
RFI filters, variable level control, passive bypass switch, PEAK LED, ground lift switch. EQA131 is a single channel 31 band 1/3 octave graphic equalizer. The EQA131 incorporates Constant-Q circuitry with a 5% center frequency accuracy. Special features include variable Low and High pass filters, selectable range ±6dB or ±12dB, balanced and unbalanced...
GENERAL DESCRIPTION The EQA231, EQA131 and EQA215 all offer the same high quality Constant-Q performance. Constant-Q graphic equalizers were developed to fill the sound professional’s need for greater control over sound shaping with less interaction between sliders. Truth in slider position became a requirement.
Page 6
FRONT AND REAR PANELS EQA215 EQA131 1. Power Switch 8. Bypass Indicator 2. Filter Level Controls 9. Peak Indicator 3. Filter Range Switch & Indicators 10. Input & Output Connectors 4. Bypass Switch 11. Voltage selector 5. HPF Frequency Control 12.
Page 7
(See 8. Bypass indicator) 5. HPF Frequency Control (EQA 231 and EQA131) To cut down unwanted signal, this control determines the roll-off frequency of the High-Pass Filter. The roll-off frequency can be adjusted from 10Hz to 250Hz by turning this knob.
As the repair turnaround time is minimal, we request that the unit be sent to BBE Sound, Inc. We also need to add relia- bility data to our files so that future revisions may be undertaken, if necessary, to improve the product. If unit has been purchased outside the US, please contact your national distributor.
Page 10
® 5381 Production Drive Huntington Beach, CA 92649 714-897-6766 • FAX 714-896-0736 www.bbesound.com BBE is the registered trademark of BBE Sound, Inc. rev. 1 5/2005...