BBE EQA-231 ユーザーズマニュアル

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EQA231 is a two channel 31 band 1/3 octave graphic equalizer. The EQA231 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
input/output connectors, 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
input/output connectors, RFI filters, variable level control, passive bypass switch, PEAK LED,
ground lift switch. 

EQA215 is a two channel 15 band 2/3 octave graphic equalizer. The EQA215 incorporates
Constant-Q circuitry with a 5% center frequency accuracy. Special features include selectable
range ±6dB or ±12dB, balanced and unbalanced input / output connectors, RFI filters, vari-
able level control, passive bypass switch, PEAK LED, ground lift switch. 

• Constant-Q performance

• LPF/HPF filters (EQA231 and

EQA131)

• Boost/Cut range switchable

6dB or 12dB

• Balanced and unbalanced

input/output connectors

• RFI filters

• Variable Level control

• Passive bypass switch 

• Ground lift switch

• Cinema sound systems

• Live sound systems 

• Night clubs

• Churches

• Auditoriums

• Sports arenas

• Theaters

• Hotels

• Convention centers

• Karaoke sounds

• Recording studios

• Home sound systems