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moved with extreme caution. Sudden stops, excessive pushing force and uneven floors may 
cause the assembly to overturn.

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 therefore necessary 
to wear ear plugs or protective earphones. See the manual technical specifications to know 
the maximum sound pressure level.

IMPORTANT NOTES

To prevent the occurrence of noise on line signal cables, use screened cables only and avoid 
putting them close to:

- Equipment that produces high-intensity electromagnetic fields.
- Power cables.
- Loudspeaker lines.

OPERATING PRECAUTIONS

Place this product far from any heat sources and always ensure an adequate 

air circulation around it.
- Do not overload this product for a long time.
- Never force the control elements (keys, knobs, etc.).
- Do not use solvents, alcohol, benzene or other volatile substances for cleaning 
the external parts of this product.

IMPORTANT NOTES

Before connecting and using this product, please read this instruction manual carefully and 
keep it on hand for future reference. The manual is to be considered an integral part of 
this product and must accompany it when it changes ownership as a reference for correct 
installation and use as well as for the safety precautions. RCF S.p.A. will not assume any 
responsibility for the incorrect installation and / or use of this product.

WARNING

: to prevent the risk of fire or electric shock, never expose this product to rain 

or humidity.

CAUTION

: to prevent electric shock hazard, do not connect to mains power supply while 

grille is removed

OPERATING 

PRECAUTIONS

IMPORTANT NOTES

IMPORTANT NOTES

WARNING

CAUTION

Содержание HDM 45-A

Страница 1: ...OWNER MANUAL ACTIVE TWOWAY SPEAKER HDM 45 A...

Страница 2: ......

Страница 3: ...3 ENGLISH ENGLISH ITALIANO LANGUAGE 4 11...

Страница 4: ...ur the product does not function or functions in an anomalous way The power cable has been damaged Objects or liquids have got in the unit The product has been subject to a heavy impact 5 If this prod...

Страница 5: ...al cables use screened cables only and avoid putting them close to Equipment that produces high intensity electromagnetic fields Power cables Loudspeaker lines OPERATING PRECAUTIONS Place this product...

Страница 6: ...the custom made compression driver offers a transparent midrange and extreme fidelity RCF Class D power amplifiers technology packs huge performance operating with high efficiency into a lightweight s...

Страница 7: ...rs SIGNAL LED The signal indicator lights green if there is audio signal present on the main PRESET LED Pushing the encoder three times the preset indicator lights green Then rotate the encoder to loa...

Страница 8: ...the first 10 m and than in 1 m steps The maximum delay will be 20 meter Pushing a third time the rear encoder the preset LED will light up Now rotating the encoder clockwise it will be possible to se...

Страница 9: ...t high pass filter at 100 Hz F1 FAR Far listening preset To be used when the average listener distance is more than 10 meter The preset shows a 3 dB shelf in high frequencies to compensate the air abs...

Страница 10: ...y after the show Now you can turn ON the speaker and adjust the volume control to a proper level BEFORE TURNING ON THE SPEAKER WARNING daisy chaining speakers always make sure that the maximum current...

Страница 11: ...personale altamente qualificato quando l apparecchio non funziona o funziona in modo anomalo Il cavo di alimentazione danneggiato Oggetti o liquidi sono entrati nell apparecchio L apparecchio ha subi...

Страница 12: ...li nelle vicinanze di apparecchiature che producono campi elettromagnetici di forte intensit cavi di rete linee che alimentano altoparlanti PRECAUZIONI D USO Collocare il prodotto lontano da fonti di...

Страница 13: ...e medie trasparenti ed estrema accuratezza La tecnologia di amplificazione in Classe D di RCF permette performance incredibili ed una altissima efficienza in dimensioni e pesi estremamente contenuti G...

Страница 14: ...gnale audio all ingresso XLR PRESET LED Premendo una terza volta l encoder il led PRESET si illumina Ruotando l encoder si carica il preset desiderato LED LIMITER L amplificatore dotato di un circuito...

Страница 15: ...r i successivi Il massimo ritardo di 20 metri Premendo una terza volta l encoder posteriore si illumina il LED di preset Ora ruotando l encoder possibile selezionare un preset Sono disponibili otto pr...

Страница 16: ...R Preset per ascolto distante Questo preset utile in caso di ascolto a distanze superiori a 11 metri Il preset mostra una leggera enfasi 3 dB shelf alle alte frequenze per compensare l assorbimento de...

Страница 17: ...ori Infatti buona regola che i diffusori amplificati e gli amplificatori in genere siano sempre le ultime apparecchiature ad essere accese dopo il montaggio e le prime ad essere spente alla fine dello...

Страница 18: ...igh section Inrush Current CONNECTIONS Signal input output Power input Controls PHISICAL SPECIFICATIONS Dimensions w h d Weight Cabinet Material Colour 45 20 kHz 133 dB 90 60 650 Hz 15 neo 3 5 v c 1 5...

Страница 19: ......

Страница 20: ...www rcf it RCF S p A Via Raffaello Sanzio 13 42124 Reggio Emilia Italy Tel 39 0522 274 411 Fax 39 0522 232 428 e mail info rcf it 10307656 RevB...

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