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Professional Studio Monitor Preparedandeditedby: STUDER Professional Audio AG Technical Documentation Althardstrasse CH-8105 Regensdorf-SwitzerIand Copyrightby STUDERProfessional A udio AG printed in Switzerland We reservethe right to makealterations. STUDER isa registered t rademarkof STUDER Professional AudioAG,Regensdorf Order No. 10.27.3121 (ED 1195)
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SAFETY / SECURITE / SICHERHEIT To reduce the risk of electric shock, do not remove covers (or back). No CAUTION user-serviceable parts inside. Refer servicing to qualified service RISK OF ELECTRIC SHOCK personnel. DO NOT OPEN Afin deprévenirun chocélectrique,nepasenleverlescouvercles (oü ATTENTION l'arriöre) de l'appareil.
STUDER SAFETY / SECURITE / SICHERHEIT Installation, Operation, Disposal Installation, Betrieb Entsorgung Vor der InstallationdesGerätesmüssendie hieraufgeführten Beforeyou install the equipment, pleaseread and adhereto the following recommendations a nd all sectionsof these und auchdie weiter in dieserAnleitung mit bezeichneten instructions marked with A.
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STUDER SAFETY / SECURITE / SICHERHEIT • die für den Betriebdes Gerätesbenötigte Luftzirkulation Unobstructed air circulation so that the maximum • temperature in the equipment environment will not be beeinträchtigt und dadurch die zulässige maximale exceeded (no heat accumulation), Lufttemperaturder GeräteumgebungüberschrittenWird (Wärmestau),...
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STUDER Elektrostatische Entladung (ESD) bei Electrostatic Discharge (ESD) during Maintenance Repair Wartung Reparatur Observe precautions for handling devices sensitive to ATTENTION: electrostatic discharge! Respecter les précautions d'usage concernant la mani- ATTENTION: pulation de composants sensibles l'électricité statique! Vorsichtsmassnahmen bei Handhabung elektrostatisch ACHTUNG: entladungsgefährdeter Bauelementebeachten!
STUDER EMV / EMC Störstrahlung und Störfestigkeit Electromagnetic Compatibility Das Gerät entspricht den Schutzanforderungenauf dem The equipment conforms to the protection requirements relevantto electromagneticphenomenathat are listed in the Gebiet derelektromagnetischenPhänomene, d ie u.a.in den Richtlinien 89/336/EWGund FCC,Part15, aufgeführtsind : guidelines89/336/EC and FCC, p art 15.
Produkt described in this manual • Studer A523 Mk4, Professional Studio Monitor, • Studer A523 Mk4, Professional Studio Monitor, uiese crt<larungueziellt, entsprecnenuuen to WiliL11 ueuarauon relates, accoruing 10 10110Wing Bestimmungender EU-Richtlinien und deren Ergänzungen regulations of EU directives and amendments •...
STUDER A523 Features Active two-way monitor speaker Compact size High soundpressure level of 103 dB SPL Suitedasa nearfield monitor in the following applications requir- ing competentmonitoringwithout long installationprocedures: Control and editing rooms - Schools Audio-visual demonstrations Home recording studios Thanksto low magneticdispersionsoundtransducers and addi-...
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STUDER A523 Connections Power connection Before connecting the speakerto the AC supply, read the „Secu- rityu section at the beginning of this manual. Makesurethe line voltageselectoris in the correct position. Match the primary fuse to the line voltage in accordance with in the line voltage selector insert.
STUDER A523 Applications Free-standingset-up: Microphone stand: Installation: Caution: Screw is fitted with lock-nut. For removing the bracketfirst loosen the lock-nut between the bracket and the cabinet. Edition: 25/10/95...
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R 42 XLR3 C 45 A 49 A 45 XLRI .c7B R 44 INAsym/OUTSuO c 76 comp LE002 AMPLI como — 0111 Rt01 c 102 RIOS R103 Clll ALIM942B . SCH Ä22...
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Standby LEDO' pTC1 Quiescentcurrent adjustment(to be performedat approx. 220C): 1. Turn level potentiometer to -00 2. Connect DC voltmeter across one of the resistors RI 8...R21 3. Adjustwith R Tl to a voltageof 10...17mV (i.e.total quiescentcurrent settingof 20...34 mA) Note: LEDOI must not be removed- otherwise the circuit is not operative.
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STUDER A523 Parts list Item Value Specs Item Value Specs Item Value Specs not used FUSEI T 400mA L 250V 520 mm(230 V) not used 22 p/63V Electrolytic radial T 800mA L 250V 520 mm(115 V) not used •r —A zr•0A...
A523 (Subject to change Technical specifications A523 without notice) 1 m in a low-reflection room, 1 kHz max. 103 dB SPL Sound pressurelevel warbled with 100 Hz 1 kHz sine wave, -6 dB, 65 Hz...20 kHz -6 dB Frequency response 70 Hz...18 (86 dB SPL) 100 Hz...10 kHz;...