Ashly Parametric Equalizers SC-63 User Manual

ASHLYSC-63/SC"66A PARAMETRIC EQUALIZERS OPERATING INSTRUCTIONSASHLY AUDIO INC.

8. Set your center frequency control to about an octave below the frequency number you select.9. Set the bandwidth control to full sharp (full clockw

MEDIUM TO WIDE BAND STEP BY STEP SETUP INSTRUCTIONS1. First, determine the frequency area of your problem,2. Decide how wide a spread of frequencies

ITEM;Front System Speaker or Room Resonance Problems and Feedback ControlOnce you become familiar with the controls on your parametric, you

Broad bandwidth problems are much easier to solve with an Ashly parametric equalizer. On a graphic you can be trying to manipulate

ITEM: Individual Input Channel EqualizationMost mixing consoles offer some type of equalization for each channel. Unless it is a full para

possibilities. Experimentation with the SC-63 and SC-66A should only be done after you are completely familiar with all the controls.Note;

CIRCUIT DESCRIPTIONThe heart (and primary expense) of the SC-66A and SC-63 is a unique bandpass filter circuit. Basically a "sta

DEFINITION OF TERMS AS USED IN THIS MANUALACTIVEElectronic circuits which use devices such as transistors and integrated circuits, and whic

FILTERA circuit designed to pass some frequencies, but not others. There are three general categories of filters: High-pass, band-pass, an

SHELVINGDescribes an equalization action where all frequencies above or below a particular frequency are boost or cut.TRANSIENTA sudden burs

TABLE OF CONTENTSPage1. INTRODUCTION / UNPACKING 22. FRONT PANEL LAYOUT 33. BACK PANEL LAYOUT 44. INPUT, OUTPUT, AND POWER CONNECTIONS 45. EX

TROUBLE SHOOTING TIPSNO OUTPUTCheck AC power - is the pilot light on? Check in/out connections, are they reversed? Are you sure you have a

SPECIFICATIONSsc=63CONTROLS Master Master Gain Master Defeat Switch Per Band Amplitude Frequency (iow) (mid) (high) Bandwidth INPUT IMPEDANCEt15dB±15d

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We thank you for your expression of confidence in Ashly products. The unit you have purchased is protected by a two year warranty

INTRODUCTIONAs soon as reproduced audio appeared on the scene, the need for tone controls was apparent; a common problem has always been loss

MODEL SC-63< GAIN 1o

INPUT, OUTPUT, AND POWER CONNECTIONSThis equalizer should be connected to a 3 wire grounded outlet supplying 120 Volts, 50-60 Hz. Power co

EXPLANATION OF PARAMETRIC EQ AND OUR CONTROLSA Parametric Equalizer consists of several filter sections connected together each capable of co

The (1) AMPLITUDE control (boost-cut) increases or decreases the volume of notes selected by the center frequency and bandwidth cont

boosted 6 dB (half the maximum boost).The advantage however, is not that we can duplicate what a graphic does, but rather extend our f