Ashly GQX-1502 - Manuals - manualsarea.com

Page 2 - Table Of Contents

2 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer Table Of Contents 1 I N T R O D U C T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 U N PA C K I N G . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 3 - THIS APPARATUS MUST BE EARTHED

3 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer 1. INTRODUCTION Congratulations on your purchase of an Ashly GQX series graphic equalizer. The GQX series equalizers are a second generation design including many refinements on our original GQ models.Lower noise and distortion,...

Page 4 - AUDIO CONNECTORS AND CABLES; Your GQX series equalizer is provided with three; Inputs; If inputs are used unbalanced, the signal should; Servo-Balanced Output; The Ashly servo-balanced output circuit is an

4 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer Inputs (Parallel) Outputs (Parallel) (-) (+) (-) (+) Input is active balanced.Output is active servo-balanced.If unbalanced connection is usedbe sure to ground unused path.Maximum in/out level is +22dBu. (-) (+) 2 3 1 PUSH 3. AU...

Page 5 - E s s e n t i a l l y, t h e s e r v o - b a l a n c e d o u t p u t c i r c u i t; Grounding; The terminal strip has two ground connections,; AC POWER; Your GQX equalizer should be connected to a

5 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer 120 VAC 50-60 Hz. 24 Watts Ashly Audio Inc. Rochester, NY Made In USA Model GQX-3101 1/2 Amp CAUTION: Disconnect powe r cord before replacing fuse Debrancher avant d'ouvrir ATTENTION: TO RED UC E THE RI SK O F ELEC TRIC SHOCK DO...

Page 7 - HPF; Feedback Control

7 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer Range Output Level 5K 8K 10K 12.5K 16K 20K 6.3K Gain +15(+6) +10 +5 0 -5 -10 -15(-6) (dB) Clip EQ HPF +6 +3 0 -3 -6 -9 -12 -15 -18 -21 VU 6 - 15 In - Out In - Out 285 200 100 50 25 12 (Hz) +6 +4 +2 0 -3 -9 - Very low bass (the “...

Page 8 - DESIGN THEORY; While most graphic equalizers look very much the; VAR; Figure 7.2: Simulated Inductor Filter Design

8 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer - + OUT IN Figure 7.1: Passive RLC Filter Design Figure 7.3: Wein-Bridge Filter Design 7. DESIGN THEORY While most graphic equalizers look very much the same, there are several important differences in the cir-cuitry used to imp...

Page 9 - Hz; Ashly's GQX graphic equalizers use slightly

9 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer In designing a graphic equalizer, a selection of filter sharpness must be made. More sharpness (higherQ) produces less filter overlap and tighter control over anindividual band, but also causes “ripple” in the frequencyresponse ...

Page 11 - SPECIFICATIONS; WARRANTY INFORMATION

11 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer 10. SPECIFICATIONS Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GQX1502 . . . . . . . . . . . . . . . . . . GQX3101/3102 InputType . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 12 - Figur; SCHEMA

12 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer Figur e 12.2: GQX 1502 Block Diagram 12. SCHEMA TICS

Page 16 - GQX Rev 2

Printed in USA 1/97 GQX Rev 2 Operating Manual - GQX 3102, GQX 3101, and GQX 1502 Graphic Equalizer ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (716) 872-0010 Fax: (716) 872-0739 Toll Free (800) 828-6308 Internet: http://www.ashly.com/  1997 by Ashly Audio Corporation. All rights r...