Related Manuals for Ashly PQX-571
Summary of Contents for Ashly PQX-571
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Page 1: Parametric Equalizer
Parametric Equalizer Operating Manual ASHLY AUDIO INC. 847 Holt Road Webster, NY Toll-Free: (800) 828-6308 Fax: (716) 872-0739 Internet: http://www.ashly.com/ PQX-571 PQX-572 14580-9103 Phone: (716) 872-0010... -
Page 2: Table Of Contents
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer INTRODUCTION ............3 UNPACKING . -
Page 3: Introduction
The Ashly PQX series equalizers are a third gen- eration design including many refinements on our origi- nal PQ models. Lower noise, greater headroom, addi- tional filters, full 20Hz -20KHz range on all parametric filters and additional connector types are the result. -
Page 4: Grounding
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer Grounding The terminal strip has two ground con- nections, one for input ground and one for chassis ground. The equalizer is shipped with a jumper strap connecting these two grounds. Normally, this strap should be left in place so the chassis and input grounds are connected. -
Page 5: High Shelving Filter
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer Parametric Filter Level Control Parametric Filter Frequency Control Parametric Filter Bandwidth Control High Shelf Level Response High Shelving Filter (Filter No. 7) These concentric controls work the same way as the low shelf controls described in (1) and (2) except the filter response starts at the center frequency selected and continues up in frequency. -
Page 6: Typical Applications
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer Mixer PQX 571 Parametric Equalizer Compressor - Limiter Crossover Power Amplifier TYPICAL APPLICATIONS Connecting Into a Sound System Typically an equalizer is used in a sound system which has a mixer or some other sort of preamplifier. In such cases, the equalizer normally should be connected after the mixer but before any electronic crossovers or limiters. -
Page 7: Console Channel Equalization
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 2. With the entire PA hooked up and turned on, slowly increase the sound level at the mixer un- til feedback is heard, then lower the level by about 3 dB so that feedback does not continue. 3. -
Page 8: Troubleshooting Tips
Make sure you use good qual- ity cable with connectors soldered firmly on the correct pin. When in doubt, get in touch with your Ashly dealer, or call the factory direct - (800) 828-6308. DIMENSIONAL DIAGRAM... -
Page 9: Specifications
WARRANTY INFORMATION unbalanced We thank you for your expression of confidence in Ashly products. The unit you have just purchased is protected by a full five year warranty. To establish the balanced warranty, be sure to fill out and mail the warranty card unbalanced attached to your product. -
Page 10: Schematics
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer SCHEMATICS... - Page 11 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer PQX 571, PQX 572 Schematic Diagram 2 of 2...
- Page 12 Operating Manual - PQX 571 and PQX 572 Parametric 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 reserved worldwide. Printed in USA 5/97 PQX Rev 2...