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Manual de usuario Audison, modelo LRX 4.300

Fabricar: Audison
Tamaño del archivo: 4.64 mb
Nombre del archivo: 8b33b7b9-c398-4d40-bb84-45ead02c37bd.pdf
Idioma del manual:en
Enlace gratuito para este manual disponible en la parte inferior de la página



Resumen del manual


The amplifier can go on functioning in these conditions but power will inevitably decrease. 1 ON (green LED) It indicates the amplifier is on. 2 1 2 3 4 5 10 9 11 8 6 7 A CHANNELS (Level) It adjusts the amplifier A channels input sensitivity and sets its output level. 3 FUNCTIONS AND CONTROLS 17 CONFIGURATIONS CH A-HI X-OVER IN-SELECT F2 12dB CH B-LO IN B/ PRE OUT F2 12dB F2 12dB OFF ON 1IN 2IN OFF ON 1IN 2IN OFF ON 1IN 2IN OFF ON 1IN 2IN 1 2 3 4 PRE OUT IN B PRE OUT IN B CONFIG. 24dB F1 F1 Slope 12dB 24dB F1 F1 Slope 12dB CONFIGURATIONS TABLE CONTROLS PANEL DIAGRAM AND CONFIGURATION SWITCHES LRx 4.300 can be configured as follows: Config. 1 = Front (Hi 12 dB) + Sub: (Lo 12/24 dB); IN A (1 IN) – Pre Out (Hi 12 dB) Config. 2 = Front (Hi 12 dB) + Sub: (Lo 12/24 dB) ; IN A-B (2 IN) – Ch. B mono (Lo 12/24 dB) Config. 3 = Ch.A (Full Range) + Ch.B (Full Range); IN A (1 IN); Pre Out (Full Range) Config. 4 = Ch.A (Full Range) + Ch.B (Full Range); IN A+B (2 IN); Pre Out (Full Range) C ONFIGUR A TIONS CONTROLS PANECONTROLS PANEL BLOCK DIAGRAM F1 It permits to adjust LO-PASS filter cut-off frequency between 40 Hz and 5 kHz. 9 F2 It permits to adjust 12dB/Oct. HI-PASS filter cut-off frequency between 40 Hz and 5 kHz. 10 F1 SLOPE It permits to choose LO-PASS filter slope between 12dB/Oct. (stereo) and 24dB/Oct. (mono, L+R). 8 B CHANNELS (Level) It adjusts the amplifier B channels input sensitivity and sets its output level. 4 B CHANNELS (Stereo/Mono) It permits to configure B channels outputs signal as stereo or mono. 6 A CHANNELS (Stereo/Mono) It permits to configure A channels outputs signal as stereo or mono. 5 SUBSONIC It permits to eliminate subsonic frequencies; these sounds cannot be heard by human ears but cause useless and damaging stress to amplifier and speakers. Subsonic filter can be bypassed ( BYPASS) and it is pre-set at 20 Hz. Its cut-off frequency can be adjusted between 16 and 32 Hz through 4 Hz steps; this occurs by replacing the special resistors located into a socket which can be reached through the setting panel in bottom. 7 SAFETY (red LED) It indicates that the amplifier protection circuits are on. In order for the amplifier to work again, you need to switch the system off and then on after 10 seconds at least. We recommend to check all connections before switching the amplifier on again. If LED stays on, please contact Audison authorised after sale centres. 11 916 SETTING PANEL 10 It permits to reach the switches for the amplifier configuration, the resistors to set subsonic filter cut-off frequency and to insert VCA modules for the subwoofer volume remote control. AMPLIFIER CONFIGURATION ACCESSORIES 15 LRx 4.300 configuration occurs through two switches, IN SELECT and X-OVER, located under the setting panel. •IN SELECT switch (1 IN - 2 IN) permits to use the preamplified output (OUT) as additional input (IN B). In this case, you will be able to realise a Front + Sub system, where IN A input drives Front, while IN B input accepts the possible subwoofer output, to be filtered at 24dB through F1 Slope switch in the controls panel and to be adjusted through the head unit Fader. IN B input can also be used to make a full range, Front-Rear system, which will be driven by two full range signals by bypassing crossovers (X-OVER on OFF). These signals will have to be suitably filtered through external crossovers. •X-OVER switch activates (ON) the two Lo-Pass and Hi-Pass filters, indicated by F1 and F2 respectively in the controls panel. When F1 and F2 crossovers are off (X-OVER on OFF), you have full range signals on the amplifier power outputs. 2 - Once operations have been carried out, please close the setting panel. 1 - Remove the setting panel in the amplifier bottom in order to carry out operations. Setting panel FUNCTIONS Installation: First fan Second fan Battery 12 V + Ground Remote IN Remote OUT Remote + POWER 11 SETTING PANEL SUBSONIC FILTER CUT-OFF FREQUENCY MODIFICATION Replace FS1, FS2, FS3, FS4 resistors according to the values in the setting panel table. 10 mm 5 mm Remark: Cut the new resistors rheophores according to the size in the picture. Procedure: VCA-VCA1D MODULES INSERTION LRx 4.300 can accept one of the three optional kits which allow the subwoofer volume remote control: VCR01K,VCRAK or VCRDK. These kits have a specific module, VCA or VCA1D, to insert into the amplifier through the setting panel. REMARK: Sub volume remote control function is on only when X-OVER switch, in the setting panel, is ON. Installation: 1 - Remove BYP12 bridge. 2 - Insert VCA/VCA1D module. - Insertion key. It prevents the module from being inserted in the wrong way. This cooling system is specially designed to provide LRx amplifiers with the right working temperature. CLK2 should be used when LRx amplifiers work in extremely hard conditions (very low loads) or in installations where space is too narrow and heat sink cooling is not enough. It consists of two units to apply onto the amplifier sides; each of ...


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