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Fabricant : Ashly Taille : 7.29 mb Nom Fichier : d3a92b7e-c10f-4ae3-98fb-fba847fe076c.pdf Langue d'enseignement:

. -- tlECiRONK • low • HI •*. H '• v-outputs-/ ’ * ■■ WPUI o o I—1 MODEL SC-70/18 in IASHLYI WdB/OCIAVt 3 - WAY Clf CTPONIC CROSSOVtP a lOw *o 6 MO » o hi >o —(~ MIO -»• HI MODEL SC-88 CXI I ASHLY I STEREO 4-WAY ELECTRONIC CROSSOVER i «a » t-M >•-» • H-ft (ÖU1PU1S >- • Mt • • dB Hi •• " dB '• •*’ H» dB •• • V tow —> iow-Mio~)-(Tow-mid ->• hi-mid)—( hi- mid —>■ in (jNP\jfy> ' H. • •• da Hi '* at **'* H» dB 1 N £_J- ■< LOW-*• LOW-MID )——(tOW-MIQ -» Ht-MCD>—-( HI-MID —» HI o (CHANNEL 0 (CHANNEL ?) MODEL SC-88/18 □3 I ASHLY I 18dB/OCTAVE STEREO 4-WAY ELECTRONIC CROSSOVER L ' *e » l-M < OUTPUIS >— • Hr ' 'dB * ’ H» } d8 1 • H> l? dB 11 o_vo ^-( lOW-»LOW-MlP) -(LOW-MID-»• HI-MID)——( HI-MIQ —» HI (iNPUf-)^ öö'ödÄöffi Ht • ; dB ^ * H» •> dB • J*° Hi *** •• de ©_10 LOW -» LOW-Mljp———( HI-MID -> HI (CHANNEL Q (channel ?) 2 Figure 1 Front Panel Illustrations INTRODUCTION Your Ashly crossover is the product of an intensive research effort which combined a re-examination of traditional crossover theory with practical field testing to prove the new design. Over the past several years, a number of refinements and new models have been added to our crossover series, but the original design goals have remained the same: to produce a crossover which is sonically accurate, is flexible enough to adapt to a wide variety of systems, and which affords maximum protection for speakers and drivers. Ashly Audio now manufactures the world's most extensive line of electronic crossovers for the professional audio industry, from a mono 2-way to our stereo 4-way, with a choice of either 12dB per octave or 18dB per octave slopes. All Ashly crossovers, from the simplest to the largest, are based upon the same powerful state-variable filter circuit, thus insuring superior performance from each model. Our crossovers offer a number of useful and unusual features, including thump-free turn-on without the use of relays, a damping (rolloff) control that functions much like an equalizer centered right at the crossover frequency, and a special output stage which maintains. 1 ow noise at any level setting. Like other Ashly products your crossover features low noise and distortion, active balanced inputs, a peak level indicator, a precision regulated power supply, protection against abnormal input or output conditions, and rugged mechanical construction. Conservative design and an unusually thorough procedure for quality control have earned Ashly a reputation for dependability in the recording, sound reinforcement, and broadcast fields. Due to the similarity of the operating controls on our various crossovers, we have prepared this one manual to cover all the models in our crossover line. Specific notes on each model will be found in the Applications section. Many owners are unaware of the ease with which you can reconfigure your crossover for non-standard operation. For example, a 4-way crossover can easily be used as a mono 2-way with sweepable subsonic and ultrasonic cutoff filters, and a stereo 3-way can function as a mono 5-way crossover. No internal modifications are necessary, and audio performance is not compromised. These operating modes are explained in detail beginning on page 8. In addition, this manual covers normal setup and operation, answers some frequently asked questions about our crossovers, offers trouble-shooting tips, and, in a special section, covers basic crossover theory. Please take the time to read this manual before operating your crossover. SECURITY COVERS For installations where it is desirable to protect the front panel controls from tampering or accidental misadjustment, use the Ashly security cover, which is available in both single and double rack space sizes. These covers feature rugged formed and welded steel construction with a clear plexiglass window that allows you to see all control settings. Installation is simple and does not require removal of the equipment from your rack. See your Ashly dealer for details. 3 UNPACKING As a part of our system of qual ity control every Ash!y product is carefully inspected before leaving the factory to ensure flawle-^ appearance. After unpacking, please inspect for any physical damage. Save the shipping carton and all packing materials, as they were carefully designed to reduce to a minimum the possibility of transportation damage should the unit again require packing and shipping. In the event that damage has occurred, immediately notify your dealer so that a written claim to cover the damages can be ini ti ated. THE RIGHT TO ANY CLAIM AGAINST A PUBLIC CARRIER CAN BE FORFEITED IF THE CARRIER IS NOT NOTIFIED PROMPTLY AND IF THE SHIPPING CARTON AND PACKING MATERIALS ARE NOT AVAILABLE FOR INSPECTION BY THE CARRIER. SAVE ALL PACKING MATERIALS UNTIL THE CLAIM HAS BEEN SETTLED. INPUT, OUTPUT, AND POWER C. .SECTIONS This crossover should be connec ¿d to a 3 wire grounded outlet supplying 120 Volts, 50-60 H.:. Powe...

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