Instruction/ maintenance manual of the product PQX-572 Ashly
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PQX-571 PQX-572 Parametric Equalizer Operating Manual ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (716) 872-0010 T oll-Free: (800) 828-6308 Fax: (716) 872-0739 Internet: http://www .
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 2 T abl e Of Contents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 UNP ACKING . . . . . . . . . . . . . .
3 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 1. INTRODUCTION Congratulations on your purchase of an Ashly PQX series parametric equalizer . Like graphic equaliz- ers, parametric equalizers allow you to boost or cut se- lected frequencies.
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 4 5.2 Parametric Filters (Filters No. 2-6) 1. Range Switch Each parametric filter has a normal center fre- quency range of 200Hz-20KHz. Depressing the range switch divides the center frequency by 10, providing a range of 20Hz-2KHz.
5 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 5.3 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 .
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 6 Mixer PQX 571 Parametric Equalizer Cr ossover Power Amplifier Compr essor - Limiter T ypical Sound System Design 6. TYPICAL APPLICA TIONS 6.1 Connecting Into a Sound System T ypically an equalizer is used in a sound system which has a mixer or some other sort of preamplifier .
7 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 2. W ith the entire P A 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.
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 8 8. TROUBLESHOOTING TIPS 8.1 No Output Check AC power - is the Power LED on? Check in/out connections -are they reversed? Are you sure you have an input signal? 8.
9 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 10. SPECIFICA TIONS (0 dBu = 0.775 volts rms, Balanced input) 10.1 Master Gain Level: ± 15dB 10.2 Peak Filter Amplitude: ± 15dB 10.3 Peak Filter F requency Range Range Switch Out 200Hz - 20KHz Range Switch In: 20Hz - 2KHz 10.
Operating Manual - PQX 571 and PQX 572 Parametric Equalizer 10 PQX 571, PQX 572 Schematic Diagram 1 of 2 12. SCHEMA TICS.
11 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer PQX 571, PQX 572 Schematic Diagram 2 of 2.
Printed in USA 5/97 PQX Rev 2 Operating Manual - PQX 571 and PQX 572 Parametric Equalizer ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (716) 872-0010 Fax: (716) 872-0739 T oll Free (800) 828-6308 Internet: http://www .ashly .com/ 1997 by Ashly Audio Corporation.
An important point after buying a device Ashly PQX-572 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ashly PQX-572 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ashly PQX-572 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ashly PQX-572 you will learn all the available features of the product, as well as information on its operation. The information that you get Ashly PQX-572 will certainly help you make a decision on the purchase.
If you already are a holder of Ashly PQX-572, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Ashly PQX-572.
However, one of the most important roles played by the user manual is to help in solving problems with Ashly PQX-572. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ashly PQX-572 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
