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Ashly 4.24D 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 4.24D 24 Bit Digital Distribution System Pr ocessor Operating Manual Di g ita l A u dio P r o d u c ts[...]

  • Page 2

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 2 T able Of Contents 1 INTR ODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 UNP A CKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 A C PO WE[...]

  • Page 3

    3 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 9 TR OUBLESHOO TING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6 9.1 Audio T r oubleshooting T ips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 9.2 RS-232/MIDI T roubleshooting T ips . . [...]

  • Page 4

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 4 1. INTR ODUCTION Thank you for your purchase of this Ashly Protea 4.24D Digital Distribution/System Proces- sor . The Protea SYSTEM II series b uilds on the tradition of quality and v alue which has earned Ashly its place as a market leader in crosso vers, equalization,[...]

  • Page 5

    5 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 4. FR ONT P ANEL FEA TURES 4.1 Input Channels The 4.24D has four input channels, each of which can be routed to any combination of output channels. Each input channel's three color Sig LED indicates input signal le vel of -20dB (green), 0dB (amber), and +20dB clip [...]

  • Page 6

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 6 5. REAR P ANEL FEA TURES 5.1 Input Connections Balanced input signals are connected to the 4.24D using the included "Euro Block" connector . A flat blade scre wdriv er is required to connect a stripped wire lead to the loose connector , which is then inserted [...]

  • Page 7

    7 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 5.4 Contact Closur e Connector There are no user controls on the 4.24D, making it ideal for permanent installations where security is an issue. There may be times, howe ver , where real time v ariables require changes in system settings, suc h as EQ, g ain, and delay se[...]

  • Page 8

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 8 6. PR O TEA SYSTEM SOFTW ARE Ashly of fers a powerful softw ar e interf ace f or the Windo ws PC en vironment, providing control for the 4.24D distribution system processor , 4.24C crossov er , 4.24G graphic EQ and slav es, two parametric EQ slav es (2.24P and 4.24P), a[...]

  • Page 9

    9 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 4.) Open Protea System Software v ersion 4.0 or higher . 5.) Go to the <Communications> menu and select <Enable Communications>. 6.) Go to the <De vices> menu and select <4.24D>. 7.) The connection should now be established. If it isn't w o [...]

  • Page 10

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 10 7.4 A udio Functions Editing of audio controls is done through the use of scroll bars, numerical entry , various ke yboard shortcuts, or by visually dragging f ilter points in the frequenc y response windo w . Ease of use , especially in the fr equency r esponse window[...]

  • Page 11

    11 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 7.4d EQ The Protea 4.24D EQ section of fers full parametric EQ as well as 1st and 2nd order shelving filters on inputs and outputs. Each input channel has six selectable EQ filters, while each output channel has four selectable EQ f ilters. In all cases, each f ilter i[...]

  • Page 12

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 12 relativ el y easy , but f inding the best combina tion of cut and bandwidth takes a little practice. Again, it is well worth the time getting comfortable with the notching procedure, so that problems can be quickly addressed with a suff icient b ut minimal amount of co[...]

  • Page 13

    13 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor In addition to the frequency and slope, crossover f ilters can be selected as having Butterworth, Bessel, or Linkwitz-Riley response. These refer to the shape of a f ilter's slope at the cut-off frequenc y , affecting the way tw o adjacent pass bands interact at t[...]

  • Page 14

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 14 A second application for delay is to time align discrete dri vers within a cabinet or cluster . For example, a typical three way speaker c luster would have lo w end, midrange, and high frequenc y dri vers all located near one another . The dif ferent dri vers for each[...]

  • Page 15

    15 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor A preset file contains the control parameters of all four inputs and eight outputs, b ut does not retain any MIDI channel information, as MIDI channel is arbitrary within an installation. For a written record of all parameters of a specif ic preset file, click <Prin[...]

  • Page 16

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 16 8.5 F actory Reset Factory reset is used to clear all user defined preset names and control v alues and reset them to their original factory settings. Factory reset to the 4.24D is accomplished by pressing and hold the MIDI Channel select switch on the front panel duri[...]

  • Page 17

    17 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 10. SPECIFICA TIONS Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . Active Balanced, 18K Max. Input Lev el . . . . . . . . . . . . . . . . . . +20dBu Input Gain Range . . . . . . . . . . . . . . . . . . -40dB to +12dB Outputs . . . . . . . . . . . . . . [...]

  • Page 18

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor 18 11. DIMENSIONS 12. W ARRANTY INFORMA TION The unit you hav e just purchased is protected by a limited fiv e-year warranty . T o establish the warranty , be sure to read completely , fill out and return the w arranty card that came with your product. Fill out the info r[...]

  • Page 19

    19 Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor A 1 B Mut e Ga i n EQ Ro ut e C Mut e Ga i n EQ Ro ut e D Mut e Ga i n EQ Ro ut e Pr o t e a 4. 24D Bl o ck Di a g ram In p u t s Ou t p u t s Mut e Ga i n EQ Ro ut e H p fL p f E Q D e la y G a in L im ite r M u te 3 H p fL p f E Q D e la y G a in L im ite r M u te 2 [...]

  • Page 20

    Operating Manual - PR O TEA SYSTEM II 4.24D Distrib ution / System Pr ocessor A SHL Y AUDIO INC. 847 Holt Road W ebster , N Y 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 eserved worldwide. PR OTEA 4.24D R-1 20 Printed in USA 0503[...]