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12

ENGLISH

10.

 There  are  numerous  mechanical  and  electrical  factors  to  be  considered  when  installing 

a  professional  audio  system  (in  addition  to  those  which  are  strictly  acoustic,  such  as  sound 
pressure, angles of coverage, frequency response, etc.).

11.

 Hearing loss

 

Exposure to high sound levels can cause permanent hearing loss. The acoustic pressure level 
that leads to hearing loss is different from person to person and depends on the duration of 
exposure.

 

To prevent potentially dangerous exposure to high levels of acoustic pressure, anyone who is 
exposed to these levels should use adequate protection devices.

 

When a transducer capable of producing high sound levels is being used, it is necessary to wear 
ear plugs or protective earphones.

 

See the technical specifications in the instruction manual for the maximum sound pressure the 
loudspeaker is capable of producing.

12.

 To ensure a correct sound reproduction, loudspeaker phase is to be respected (loudspeakers are 

connected respecting the amplifier polarity). This is important when loudspeakers are installed 
adjacent one another, for instance, in the same room.

13.

 To prevent inductive effects from causing hum, noise and a bad system working, loudspeaker 

lines  should  not  be  laid  together  with  other  electric  cables  (mains),  microphone  or  line  level 
signal cables connected to amplifier inputs.

14.

 The  loudspeaker  cable  shall  have  wires  (twisted,  if  possible,  to  reduce  inductive  effects 

due  to  surrounding  electro-magnetic  fields)  with  a  suitable  section  and  a  sufficient  electrical 
insulation. Refer to local regulations since there may be additional requirements about cable 
characteristics.

15.

 Do NOT connect the loudspeaker low impedance (8 Ω) input to 100 V constant voltage lines.

16.

 Install this loudspeaker far from any heat source.

17.

 Do not overload the loudspeaker with too much power.

18.

 Do not use solvents, alcohol, benzene or other volatile substances for cleaning the external parts 

of this product.

Содержание P4228

Страница 1: ...the rules of sound P4228 User manual Manuale d uso P SERIES LOUDSPEAKER DIFFUSORE ACUSTICO SERIE P...

Страница 2: ......

Страница 3: ...LLAZIONE A CLUSTER pag 8 COLLEGAMENTO pag 8 NOTE SUI SISTEMI CON CONNESSIONE A BASSA IMPEDENZA pag 9 DATI TECNICI pag 10 INDEX SAFETY PRECAUTIONS page 11 DESCRIPTION page 13 GASKET INSERTION page 13 S...

Страница 4: ...calpestata o schiacciata da oggetti al fine di salvaguardarne la perfetta integrit 5 Impedire che oggetti o liquidi entrino all interno del prodotto perch potrebbero causare un corto circuito 6 Non es...

Страница 5: ...ado di produrre 12 I diffusori devono essere collegati in fase corrispondenza delle polarit tra amplificatori e diffusori in modo da garantire una corretta riproduzione audio soprattutto quando i diff...

Страница 6: ...poliuretano espanso a celle aperte Ogni corpo inoltre equipaggiato con 4 inserti M8 ed una staffa a U il logo frontale in alluminio ed girabile Il collegamento all amplificatore effettuato tramite un...

Страница 7: ...trebbero compromettere l incolumit di persone e o danneggiare cose Utilizzare elementi di fissaggio adatti al tipo di struttura che deve sostenere i diffusori es tasselli per mattoni forati tasselli p...

Страница 8: ...tarechefenomeniinduttividianoluogoaronzii disturbiecompromettanoilbuonfunzionamento dell impianto le linee diffusori non devono essere canalizzate insieme ai conduttori dell energia elettrica ai cavi...

Страница 9: ...i deve essere ridotta al minimo Impedenza complessiva 4 8 Impedenza complessiva 8 8 8 MAX 2 5 mm2 MAX 2 5 mm2 INGRESSO USCITA PARALLELA 4 3 1 2 Osservando la parte posteriore del connettore E collegar...

Страница 10: ...so 13 5 kg COMPONENTI WOOFER PER BASSE FREQUENZE Tipo 2 x 8 bobina 2 5 Impedenza 16 Potenza AES picco 300 W 1200 W Sensitivit 1 W 1 m 95 dB DRIVER PER ALTE FREQUENZE Tipo tromba 1 5 membrana 2 5 Imped...

Страница 11: ...uids can get into this product as this may cause a short circuit 6 Never attempt to carry out any operations modifications or repairs that are not expressly described in this manual Contact your autho...

Страница 12: ...ensure a correct sound reproduction loudspeaker phase is to be respected loudspeakers are connected respecting the amplifier polarity This is important when loudspeakers are installed adjacent one an...

Страница 13: ...e water repellent woven fabric backing Each cabinet is equipped with four M 8 brass inserts and a stainless steel U Bracket Connections to an amplifier are made through a watertight connector The high...

Страница 14: ...o NOT tilt the loudspeaker upwards Reconnect the wires and remount the horn loaded driver picture 4 Remount the protection grille picture 5 SINGLE LOUDSPEAKER INSTALLATION Loudspeakers are to be insta...

Страница 15: ...tions are made correctly in order to prevent any electrical danger To prevent any risk of electric shock do not connect loudspeakers when the amplifier is switched on Before turning the system on chec...

Страница 16: ...as short as possible Total impedance 4 8 Total impedance 8 8 8 MAX 2 5 mm2 MAX 2 5 mm2 INPUT PARALLEL OUT 4 3 1 2 Locking at the rear side of the female contact insert E connect the wire coming from...

Страница 17: ...ensions w h d 268 x 566 x 250 mm Weight 13 5 kg TRANSDUCERS LF DRIVER Type 2 x 8 woofer 2 5 coil Impedance 16 Power AES peak 300 W 1200 W Sensitivity 1 W 1 m 95 dB HF DRIVER Type 1 5 horn loaded 2 5 d...

Страница 18: ...2 274411 fax 39 0522 274484 e mail rcfservice rcf it Salvo eventuali errori ed omissioni RCF S p A si riserva il diritto di apportare modifiche senza preavviso Except possible errors and omissions RCF...

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