EQF 500®
Contents
1. 3 4 EQ amp FILTERS ON OFF BUTTONS These lighted On Off buttons allow you to turn the EQ and filters on and off individually The buttons glow green when processing is on They are dark when processing is off Turning the button on and off offers a quick A B com parison allowing you to hear the affect the EQ and filters have on the program content Note These are hardwire bypasses 3 5 LOW amp HIGH PASS FILTERS The High Pass Filter range is from 20Hz to 500Hz The Low Pass Filter range is from 1kHz to 20kHz The filters will cut all frequen cies below the high pass filter and all fre quencies above the low pass filter at 12dB octave When set to their extremes only the frequencies between 500Hz and 1kHz are left untouched Filtering the irrelevant frequencies of a track allows the instrument stand out and provides a cleaner overall mix For example the low fre quency energy of an acoustic guitar track can BE a get in the way of the bass guitar and kick drum Filtering the low frequencies of the acoustic guitar track makes the bass guitar and kick drum sound tighter and more defined 3 6 SHELVING amp PEAKING EQ High shelving EQ will boost or cut all frequencies above the selected high frequency n below that setting are untouched High peaking EQ will boost or cut only a small amount of frequen cies o and below the selected high frequency How many fre quencies above and below is dependant on the bandwidth2. APHE lt EQF 500 3 BAND EQ WITH HPF AND LPF JENSEN TRANSFORMER BALANCED OUTPUT 500 SERIES MODULE FILTERS OWNER S MANUAL a DWV ENTERTAINMENT company SAFETY DECLARATIONS O PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS DEVICE TO RAIN OR MOISTURE DO NOT REMOVE THE COVER NO USER SERVICEABLE PARTS INSIDE SHOCK HAZARD REFER SERVICING TO QUALIFIED PERSONNEL ONLY DO NOT OPEN ATTENTION AFIN D VITER DES CHOCS LECTRIQUES i N ENLEVEZ PAS LE COUVERCLE IL N Y A AUCUNE AVIS RISQUE DE CHOC ELECTRIQUE PIECES D ENTRETIEN L INT RIEUR REFEREZ LES NE PAS OUVIR R PARACIONES A UNE PERSONNE QUALIFEE CAUTION For continued protection against risk of fire replace only with the same type and rating of fuse ATTENTION pour une protection continue contre les risques d incendie ne remplacer qu avec la m me valeur et m me type de fusible WARNING Do not place objects containing liquid on this unit as it is not designed to protect against spillage Do not expose this unit to dripping or splashing of liquids as the unit is not designed to protect against these occurances WARNING This unit must be connected to a mains socket outlet with a protective earthing connection WARNING The EQF 500 has been tested and meets the FCC CE and European Union rules regulations and guidlines for use Do not attempt to modify or change the EQF 500 as this could void the regulatory compliance which would place you at risk
3. No warranty is made either expressed or implied as to the merchantability and fitness for any particular purpose Any and all warranties are limited to the duration of the warranty stated above EXCLUSION OF CERTAIN DAMAGES Aphex Systems liability for any defective unit is limited to the repair or replacement of said unit at our option and shall not include damages of any other kind whether incidental consequential or otherwise Some States do not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from State to State PAGE 9 4 2 SERVICE INFORMATION If it becomes necessary to return this unit for repair you must first contact Aphex for a Return Authorization RMA number which will need to be included with your shipment for proper identification If available repack this unit in its original carton and packing material Otherwise pack the equipment in a strong carton containing at least 2 inches of padding on all sides Be sure the unit cannot shift around inside the carton Include a letter explaining the symptoms and or defect s Be sure to reference the RMA number in your letter and mark the RMA number on the outside of the carton If you believe the problem should be covere
4. at it is clean and 2 0 INTRODUCTION free of any debris 3 0 CONTROLS AND INDICATORS 2 Before removing your EQF 500 from its box discharge any 3 1 High frequency controls static electricity buildup you may have by touching your 500 3 2 Midrange frequency controls series rack 3 3 Low frequency controls 4 EQ and Filters On Off buttons 3 Pull your EQF 500 module out of its box and carefully slide 5 Low and High Pass Filters it into place in the designated opening Sight down the back of 6 Shelving and peaking EQ the module use a flashlight if necessary and ensure the card edge connector is aligned to seat into the card slot of the frame 3 3 3 4 0 WARRANTY AND SERVICE 4 1 Limited Warranty 4 Firmly and evenly push the EQF 500 module into place until 4 2 Service Information its is positively seated in the card slot 5 0 SPECIFICATIONS 5 Use the 2 thumb screws in the module to mount the EQF 500 front panel to the 500 series rack These screws have a pretty tight fit please be careful not to cross thread 6 Plug your 500 series rack back into the AC source and power up your rack Your EQF 500 will automatically power up with your 500 series rack PAGE 4 EYE a DWV ENTERTAINMENT company PAGE 5 2 0 INTRODUCTION 3 0 CONTROLS amp INDICATORS The EQF 500 is a reissue that is our modern take on the classic Aphex EQF 2 500 series equalizer The original EQF 1 500 module 3 1 HIGH FREQUENCY CONTROLS was designed in 1976 while t
5. d under the terms of the warranty you must also include proof of purchase Insure your shipment and send it to APHEX 3500 N San Fernando Blvd Burbank CA 91505 USA PH 818 767 2929 FAX 818 767 2641 5 0 SPECIFICATIONS OPERATING LEVEL Switch Setting 4dBu INPUT CONNECTOR PINOUT CHASSIS GROUND Type Transformerless active balanced Impedance Unbalanced Nominal Level Maximum Level CMRR OUTPUT Impedance Nominal Level Maximum Level AUDIO Frequency Response Dynamic Range THD IMD PAGE 10 40KQ 20KQ 4dBu 24dBu gt 40dB 1100 4dBu 24dBu Unloaded 0 5dB 10Hz 38KHz 120dB 10Hz 22kHz O max output 0003 10Hz 22kHz 0 max output 0007 Oo ON DH RA W DN ee fc I nA BR W NN Oo OUTPUT 4 LEVEL unused OUTPUT 4 LEVEL COMMON unused unused INPUT 4 LEVEL unused INPUT 4 LEVEL unused 16VDC POWER SUPPLY COMMON 16VDC unused This product is protected under one or more of the following Aphex patents 5 450 034 6 266 423 3500 N San Fernando Blvd Burbank CA 91505 USA PH 818 767 2929 FAX 818 767 2641 www APHEX com a DWV ENTERTAINMENT company PAGE 11
6. he EQF 2 500 was an upgrade that hd included shelving EQ for the high and low bands These controls let you optimize the high fre Vi quency band The range is from 1kHzto 20kHz The newly designed EQF 500 module has an improved control The selected frequency can be cut or boosted layout and modern components have been incorporated for lower by 12dB Pressing the bell curve button noise than the original A Jensen JT11K8 nickel input Transformer changes the high frequency EQ from a shelv and Jensen JT 11DL nickel output transformer provide the cleanest ing EQ to a peaking EQ The button will light possible balanced input and output signal when it is in peaking mode The bandwidth or Q is preset to one octave at maximum boost 3 2 MIDRANGE FREQUENCY CONTROLS These controls lets you optimize the midrange frequency band The range is from 250Hz to 5kHz The selected frequency can be cut or boosted by 12dB The bandwidth or Q is preset to one octave at maximum boost 3 3 LOW FREQUENCY CONTROLS These controls lets you optimize the low frequency band The range is from 20Hz to 500Hz The selected frequency can be cut or boosted by 12dB Pressing the bell curve button changes the low frequency EQ from a shelving EQ to a peaking EQ The button will light when it is in peaking mode The band width or Q is preset to one octave at maxi mum boost FILTERS EO PAGE 6 EE a DWV ENTERTAINMENT company PAGE 7
7. of losing your authority to operate the EQF 500 WARNING Do not place objects on top of this unit if they weigh more than 10 pounds PAGE 2 as a DWV ENTERTAINMENT company SAFETY DECLARATIONS This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular instal lation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio TV technician for help CE fe PAGE 3 TABLE OF CONTENTS 1 0 INSTALLATION 1 0 INSTALLATION 1 Turn off and unplug your 500 series rack frame Inspect the card slot you intend you use to make sure th
8. or Q setting The narrower the bandwidth the less other frequencies are affected The EQF 500 has a bandwidth of one octave at maximum cut or boost Peaking EQ is used when only a specific frequency needs to be boosted to highlight the character of a track or cut to allow the remaining frequencies to be highlighted PAGE 8 ESEA a DWV ENTERTAINMENT company 4 0 SERVICE amp WARRANTY 4 1 LIMITED WARRANTY PERIOD One year from date of purchase SCOPE All defects in workmanship and materials The following are not covered a Voltage conversions b Units on which the serial number has been defaced modified or removed c Damage or deterioration 1 Resulting from installation and or removal of the unit 2 Resulting from accident misuse abuse neglect unauthorized product modification or failure to follow instructions contained in the User s Manual 3 Resulting from repair or attempted repair by anyone not authorized by Aphex Systems 4 Occurring from shipping claims must be presented to shipper WHO IS PROTECTED This warranty will be enforceable by the original purchaser and by any subsequent owner s during the warranty period so long as a copy of the original Bill of Sale is submitted whenever warranty service is required WHAT WE WILL PAY FOR We will pay for all labor and material expenses for covered items We will pay return shipping charges if the repairs are covered by the warranty LIMITATION OF WARRANTY
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