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APPLICATIONS

Graphic equalizers may be used wherever modification of the frequency contour of a sound system is

needed. A graphic equalizer is a solution to any number of sound problems or creative urges.

Typical reinforcement application of
a two channel equalizer

Equalization of a musical instrument

Equalization of a guitar effects loop

Equalizaton of audio signals from a
mixer

Mixer

Instrument

Speaker

Mixer

Send

Return

Amp

PreAmp

Stereo

Effects

loop

Amp

P Amp

Guitar

Содержание HQ 15

Страница 1: ...HQ 31 SINGLE CHANNEL 31 BAND 1 3 OCTAVE GRAPHIC EQUALIZER HQ 15 DUAL CHANNEL 15 BAND 2 3 OCTAVE GRAPHIC EQUALIZER USER S GUIDE...

Страница 2: ...indicators ground lift switch and selectable line voltage switch The unit also features automatic bypass if power to the unit is lost FDC ART s FEEDBACK DETECTION CIRCUIT FDC Feedback Detection Circui...

Страница 3: ...DC work with great efficiency When feedback occurs at a certain band the ensuing attenuation will not affect surrounding bands This precision is of course critical for professional applications INSTAL...

Страница 4: ...atibility between your equalizer and other equipment in the same system There are several combinations that can be attempted NOTE ALWAYS TURN YOUR AMPLIFIERS DOWN BEFORE CHANGING GROUNDS Try different...

Страница 5: ...nt 0dB on the front panel 2 Bypass the bypass equalizer Note The red LED is on 3 Set the frequency slide controls to the center detent or 0dB 4 Select the 6dB range switch Note The green LED is on 5 A...

Страница 6: ...illuminates if any section of the equalizer is within 5dB of clipping Occasional flickering of this LED is acceptable but if it remains on more than intermittently you should turn down either the equa...

Страница 7: ...ignal will be equal or lower than the active eq gain This will ensure that a signal with undesirably higher levels will not be passed inadvertently 8 FDC LED INDICATORS Each frequency band of the equa...

Страница 8: ...ituation in which the mains power is suspect it is wise to confirm appropriate voltage and line polarity BEFORE connecting the instrument to power source 13 GROUND LIFT SWITCH This switch is used to d...

Страница 9: ...lows Phone Jack Connection tip high ring low sleeve ground FOR UNBALANCED CONNECTIONS Use 1 4 inch tip ring sleeve or mono phone plug connectors or RCA phone jack connectors wired as follows Phone Jac...

Страница 10: ...n to any number of sound problems or creative urges Typical reinforcement application of a two channel equalizer Equalization of a musical instrument Equalization of a guitar effects loop Equalizaton...

Страница 11: ...ons This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs This warranty is void if the serial number is altered defaced or r...

Страница 12: ...e substitute The packing box is not recommended as a shipping carton Put the packaged unit in another box for shipping Print the RA number clearly on the outside of the shipping box Print your return...

Страница 13: ...alanced RCA Unbalanced Impedance Typical 150 Ohms Maximum Level 22dBm 2k Ohms 18dBm 600 Ohms OVERALL GAIN RANGE Off to 6dB Unbalanced out Sliders Centered Off to 12dB Balanced out Sliders Centered RFI...

Страница 14: ...STER NEW YORK 14608 USA 716 436 2720 Voice 716 436 3942 Fax www artproaudio com E mail cserve artproaudio com HQ 15 DUAL CHANNEL 15 BAND 2 3 OCTAVE GRAPHIC EQUALIZER with FDC HQ 31 SINGLE CHANNEL 31 B...