valutazioni - 3, GPA: 3.3
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Facilità d'uso
Crossover frequency is set by the number of detents on the pot (see guide on page13) 5. X-Over Selection Switch- Determines whether the cross over runs high-pass, full range, or low-pass. 6. Low Pass X-Over Frequency Control- Adjusts the low-pass frequency point from 30Hz to 250Hz. Crossover frequency is set by the number of detents on the pot (see guide on page 12) 7. Fuse- Protects the amp from damage from dangerous amounts of current. 8. Power/Ground Connections: Removable plug that accepts up to an 8ga power and ground connections. 9. Power LED- Illuminates green when the amplifier is on. LED will turn to red when the amp goes into protection mode. 10. Speaker Connections- Removable plug that accepts up to 12ga speaker wire. Also contains the amplifier's remote 12VDC turn on lead. © © © @ © © oaae 10 ADJUSTING THE AMPLIFIER RCA INPUTS The RCA inputs will accept line level signals from the preamp output of most aftermarket head units or from ORION accessories such as the 300 PSW. Run the signal wires from the source unit to the amplifier and plug them in. GAIN ADJUSTMENT The GAIN control adjusts the gain level of the amplifier. This is used to match the signal level of various head units to the amplifier. To adjust the gain of your amplifier follow these steps: 1) Adjust the input gain controls of the amplifier to just above the minimum level (fully counterclockwise). 2) Use a clean source (CD) with dynamic music content and adjust the head unit volume to just below the distortion point (usually about 3/4 of full volume). 3) Increase the amplifier's gain (clockwise) until you hear audible distortion. At this time, decrease the gain to just before the amount of distortion. This setting will minimize background noise and prevents overload. MIN MAX XBC12 _ The XBC12 control allows you to boost your bass by up to 12dB! XBC12 boosts the low end bass centered at 40Hz, by anywhere form OdB to 12dB. This will dramatically alter your bass response. Set according to personal listening tastes and woofer capabilities. Listen carefully for distortion when setting the boost. CAUTION: Be careful when determining the amount of XBC12. Adding too much to a subwoofer that is not capable could result in damage to your subwoofer. XBC12 should NEVER be used on mid-range speakers. XBC OdB 12dB page 11 HIGH PASS X-OVER FREQUENCY CONTROL The high pass crossover frequency control adjusts the frequency point of the high pass crossover from 30Hz to 1kHz. You can determine the exact frequency point by counting the using the chart to the right and counting the "clicks" while adjusting the frequency control. See the chart on to the right for exact frequency counts. The high pass crossover can be used when running midrange speakers to prevent them from playing inefficient lower frequencies that they are not designed to play. LOW PASS X-OVER FREQUENCY CONTROL The low pass crossover frequency control adjusts the frequency point of the low pass crossover from 30Hz to 250Hz. You can determine the exact frequency point by using the chart on the next page and counting the "clicks" while adjusting the frequency control. See the chart on to the right for exact frequency counts. The low pass crossover should be used when using the amplifier for subwoofers. X-OVER SELECTION SWITCH 70 450 0 Clicks...... .......30Hz 14 Clicks..... .......70Hz 26 Clicks..... .....450Hz 41 Clicks..... .......1kHz 80 200 0 Clicks ........30Hz 14 Clicks.... ........80Hz 26 Clicks.... ......200Hz 41 Clicks.... ...,250kHz The crossover selection switch determines whether the amplifier will operate in low pass, high pass, or full range mode. In high pass mode, it will play the frequency set on the high pass frequency control and above. In low pass, it will play the frequency set on the low pass crossover frequency control and below. In the full range position, the settings of both the high pass and the low pass frequency control will have no effect on the amplifier. page 12 POWER CONNECTIONS CS1 00.2 AND CS1 50.2 ,, — Connect to remote tum-on lead of source unit Amplifier Fuse Size CS100.2 25 AMP CS150.2 (2) 20 AMP page 13 MAKING POWER GROUND AND REMOTE CONNECTIONS Solid power and ground connections will improve both the performance and reliability of your new COBALT amplifier. Read the following section carefully to ensure proper performance and safety. WARNING: Dangerous amounts of current exist in an automobile's electrical system. Use caution when installing your amplifier. POSITIVE POWER CONNECTION: Before starting to run your power connections, make sure that you disconnect the negative (-) terminal of your battery. This will prevent a short of your battery to ground. It will also help to keep you from getting shocked during the install process. It is very important to properly fuse your positive power connection. The fuse (or circuit breaker) should be placed in the positive power connection no more than 18 i...
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