Yamaha Q2031A Q2031A Owners Manual Image - Page 2

You have made the right choice. The YAMAHA Q2031A Graphic Equalizer offers truly superior price/performance and is fully backed by YAMAHA's wealth of accumulated sound expertise. Congratulations and thank you. The versatile Q2031A enables you to add up to 12dB of boost or cut at any of 31 bands centered around International Standards Organization (ISO) 113 octave frequencies from 20 Hz to 20 kHz. This versatility opens a wide range of applications in sound reinforcement and recording. You can, for example, optimize gain to provide adequate feedback margins at all frequencies. You can also creatively shape frequency characteristics to match the particular room, studio, or hall and thus provide the realism and fidelity that critical audiences demand. This manual has been written to help you obtain optimum performance and trouble-free operation from new Q2031A. Please read it throughly. FEATURES • This two-channel system offers completely independent channel control-from the input all the way to the output. • The narrow, 1/3-octave bandwidth and 31-band control over the entire 20Hz to 20 kHz range provides very precise equalization. • The Q2031A has been very carefully designed from both functional and operational perspectives. Each of the equalization sections, for example, has an independent EQ switch that bypasses the equalizer section, a High-Pass Filter with a slider-adjustable roll-off frequency, and a RANGE switch to select boost/cut ±6dB or -±12dB. CONTENTS • The highly versatile Q2031A can be used in a wide variety of applications and can be mounted in a standard 19" FEATURES 1 rack. SPECIFICATIONS 2 • U.S. & Canadian models PRECAUTIONS 3 Transformerless balanced (XLR Type connectors) or FRONT PANEL 3 unbalanced (1/4" phone jacks) inputs and outputs REAR PANEL 5 are standard, with provisions for both input and TYPICAL CONFIGURATIONS 5 output transformer balancing. Two octal socket (CHANNEL A and B ) are provided on the rear panel. They will accept optional bridging input ACOUSTIC CONTROL BLOCK DIAGRAM 6 19 transformer BRT15K if desired. The output trans- DIMENSIONS 19 former should be installed by a qualified service 1 technicians.