Page 1: ...YAMAHA PROFESSIONAL SERIES GRAPHIC EQUALIZER Q1027 OWNER S MANUAL o MR nu m Er id M...
Page 2: ...evel indica tor all add up to more convenient more precise sound control Removable security cover prevents accidental alteration of settings in studio and sound reinforcement applications Designed for...
Page 3: ...input level by a value equivalent to the rise in the level and eliminate the difference in level caused by the presence or absence of equalizing The attenuator does not work when the EQ switch is set...
Page 4: ...CONNECTION BLOCK DIAGRAM CONNECTION MIXER PRE AMPLIFIER SOURCE SPEAKER BLOCK DIAGRAM 9 A era ATT INPUT d i g Z ET 40Hz 800Hz 6 se L 27 BANO ON o OFF PIN 1GND SW OFF o FUSE LED...
Page 5: ...phase Always use a fuse with the same ratings of the existing changes in accordance with the setting position of the one for replacement purposes speaker system The phase of the phone jack side cannot...
Page 6: ...the gain only for that frequency where the howl is generated For accurate equalizing a pink noise generator and a real time analyzer are useful Set the microphone on the stage connect the pink noise g...
Page 7: ...ACK less than 0 02 20Hz 20kHz XLR less than 0 5 20Hz 20kHz Hum Noise 100dB EQ flat 600 2 load Gain OdB EQ by pass Maximum Output Level 24dB 600 load Center Frequencies 40 50 63 80 100 125 160 200 250...
Page 8: ...NIPPON GAKKI CO LED HAMAMAT SH JAPAN L jomp 10 821005 FF VEIOUR _e A Ee SOE o Printed E uy Japan...
