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Ashly 4.24C manual

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Table of contents for the manual

  • Page 1

    AS HL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (585) 872-0010 T oll-Fr ee : ( 800) 828-6308 Fax: (585) 872-0739 w w w .ashly .com 4.24C 24 Bit Digital Cr ossover and System Pr ocessor Operating Manual Di g ita l A u d io P r o d u c ts[...]

  • Page 2

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 2 T able Of Contents 1 INTR ODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 A udio Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 User Interfa[...]

  • Page 3

    3 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 6 PR O TEA SYSTEM SOFTW ARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.1 Ho w to Get Protea System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.2 Installing Protea System Software . . . . . . . . . . . . . . [...]

  • Page 4

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 4 1. INTR ODUCTION Thank you for your purchase of this Ashly Protea 4.24C Digital Crossov er/System Processor . The Protea SYSTEM II series builds on the tr adition of quality and value which has earned Ashly its place as a market leader in crosso vers, equalization, and sig[...]

  • Page 5

    5 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 4. FR ONT P ANEL CONTROL FEA TURES 4.1 Function K eys and Data W heel T o the right of the LCD display are two unlabeled function ke ys and a rotary data wheel. All audio and sys- tem parameters are edited using these three controls. Each of the two lines of text on the LC[...]

  • Page 6

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 6 4.6 A udio Functions 4.6a Gain Input and Output Gain are separately adjustable from -40dB to +12dB in 0.1dB increments. The output gain menu also provides for selection of input source(s) for a gi ven output channel, as well as polarity of the outgoing sig- nal. Input sign[...]

  • Page 7

    7 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor Parametric EQ (PEQ) uses peak f il- ters with the ability to control boost or cut, frequenc y center , and bandwidth. Think of one band of parametric EQ as a single graphic equalizer fader except that the frequenc y is variable, not fix ed, and that the bandwidth, or ho w [...]

  • Page 8

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 8 of the v enue with direct line-of-sound to multiple loudspeakers. The solution is to delay the audio signal to the loudspeakers located be yond the main stage area, so that sound comes out of the distant loudspeakers at the e xact time that sound from the main stage loudsp[...]

  • Page 9

    9 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor slope for e very application, so experiment to see which one sounds most pleasing in a specif ic system. Ashly factory default presets use all 24dB/octa ve Linkwitz-Rile y filters in the crossov er section, b ut of course they can be changed to suit the application. Crosso[...]

  • Page 10

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 10 4.6e Limit A full function compressor/ limiter is included on each output channel. A limiter is commonly used to pre vent transient audio signal spikes from damaging loudspeakers, manage analog and digital recording le vels, optimize broadcast le vels, or "thicken&qu[...]

  • Page 11

    11 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 4.7b Sav e Once the 4.24C has been adjusted to suit the application, the changes can be permanently sav ed to memor y*. T o sav e a ne w configuration or sa ve changes to an existing preset template, begin the process by pressing the Sav e button once. The LCD display pro[...]

  • Page 12

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 12 buttons 1-8 (recommended) or the data wheel (0-9) to enter a new code, then press Enter on the LCD. T he LCD then prompts the user to either change the code to a new four digit number , or change the Security status to one of the other three options. The only way to fully[...]

  • Page 13

    13 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor A Note About Input Signal Le v els: Ther e ar e no analog gain trim adjustments on the Pr otea 4.24C, ther ef or e all the pr ocessing (including gain) is done in the digital domain. As a consequence of this design philosophy , it is important to feed the Pr otea pr ocess[...]

  • Page 14

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 14 6. PR O TEA SYSTEM SOFTW ARE Protea System Software version 3.1 - Crossover Section for 4.24C control. Ashly of fers a powerful softw are control interface for the PC Windo ws en vironment, including se parate con- trol sections for the 4.24C crossover/processor , 4.24G g[...]

  • Page 15

    15 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 7. TR OUBLESHOOTING 7.1 - A udio T roubleshooting T ips No power - Is the detachable A C cord fully plugged in? Is the rear panel power switch on? Contr ols don't work - check the Security Le vel. If set to Full Lock out, then Protea unit is "view only". Ch[...]

  • Page 16

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 16 8. SPECIFICA TIONS Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Acti ve Balanced, 18K Ω Max. Input Leve l . . . . . . . . . . . . . . . . . . +20dBu Input Gain Range . . . . . . . . . . . . . . . . . . -40dB to +12dB Output . . . . . . . . . . . . . .[...]

  • Page 17

    17 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 9. DIMENSIONS 10. W ARRANTY INFORMA TION The unit you ha ve just purchased is protected by a limited f ive-year w arranty . T o establish the warranty , be sure to read completely , fill out and return the warranty card that came with your product. Fill out the informatio[...]

  • Page 18

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor 18 11. PR OTEA 4.24C INST ALLA TION RECORD Installation _________________________ Installed by _________________ Date _____________________________ V enue Contact ______________________ Phone No. __________________ Address __________________________ Description of System ___[...]

  • Page 19

    19 Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor Output 3: Source ______________ O ut p ut G a in _____________ Polarity ____________ Output Delay ______________________________ Output EQ EQ Filter no. 1 Filter T ype ______________ F r equenc y __________ Boost/Cut ________ Bandwidth(PEQ) _________ EQ Filter no. 2 Filte[...]

  • Page 20

    Operating Manual - PR O TEA SYSTEM II 4.24C Cr ossover / System Pr ocessor AS HL Y AUDIO I NC. 847 Holt Road W ebster , NY 14580-9103 Phone: (585) 872-0010 Fax: (585) 872-0739 T oll Fr e e (800) 828-6308 www .ashly .com  2003 by Ashly Audio Corporation. All rights r e ser ved worldwide. PR OTEA 4.24C R-2 20 Printed in USA 5/03 A 1 B Mut e De l a[...]