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Istruzioni per l'uso Alphasonik, Modello EQUALIZER PEQ70E

Produttore : Alphasonik
File Size : 1.25 mb
File Nome : f0dae867-f1f4-4fd2-8ff0-9a15f8087030.pdf
Lingua di insegnamento: en
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Facilità d'uso


There are basically three types of equalizers: graphic, parametric, and a hybrid of these two, often referred to as paragraphic. Additionally, there are passive equalizers, which have no gain, active gain pre-amps, which have a again stage usually with a volume control, and booster equalizers which we won’t consider here since they are inferior passive equalizers with inexpensive IC amplifier built-in. As in state-of-the-art home audio systems the optimum system requires a dedicated pre-amp with enormous gain to drive the various power amplifiers. Since home audio amplifiers do not have adjustable sensitivity, they require a high output pre amplifier to drive them to maximum levels. The unit is the first production pre amplifier to incorporate a specific bandwidth parametric equalizer with shelving control with 18dB boost or cut on its four bands, it can compensate for the four acoustic anomalies unique to the automotive environment. This unit easily becomes the “Mission control Center” of any high end automotive sound system. SPECIFICATIONS 7 BAND PARAMETRIC 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, 12kHz BOOST/CUT 18dB BANDWIDTH Specific to each band-Hi Shelving S/N RATIO 110dB Ref 1-Volt Input FREQUENCY RESPONSE 10Hz -50kHz, +/-1dB MAX OUTPUT VOLTAGE 9.75V RMS T.H.D. 0.05% INPUT SENSITIVITY Adjustable 200mV - 3.5V RMS HEADROOM 20dB INPUT IMPEDANCE 20k Ohms STEREO SEPARATION 80dB/1kHz OPERATING VOLATAGE 11 - 15 Negative Ground OUTPUT IMPEDANCE 1k Ohms SUBWOOFER FRQUENCY 30Hz - 120Hz FEATURES 1. Active gain pre amplifiers with adjustable input sensitivity. 2. Volume Control with up to 9.75 Volts RMS of output. 3. Individual left and right sensitivity control for Main/Aux. 4. Seven band parametric equalizer with 18dB boost. 5. Low noise BI-FET op-amp design yields minimum distortion. 6. On-board 30V bi-polar switching power supply. 7. Universal Half-DIN chassis for ease of installation. 8. High grade golden Tiffany RCA jack input/output. 9. Subwoofer level control 10. Subwoofer frequency adjustable 11. 20dB headroom eliminates signal overload. 12. Main/Aux (Radio/CD) input selector. 13. 2 color illumination design. FEATURES AND SPECIFICATIONS 5F E A T U R E S A N D S P E C I F I C A T I O N S 5F E A T U R E S A N D S P E C I F I C A T I O N S CROSSOVER CONTROL It is recommended that the MID BASS / MID / HI frequencies be set at center position and that the SUB frequency set at around 60Hz. One of the best features of this unit is that it allows the listener to adjust each band exactly to his/her own satisfaction. PLEASE NOTE: That the correct settings depend very much on the overall system itself and the individual musical taste of the listener. Please check the settings for each band carefully before completing the installation. SET-UP ADJUSTMENT Before Turning On: Turn the unit volume to minimum, adjust the input gains to minimum, Turn the source unit volume to minimum, Set EQ controls to flat (12 o’clock). System Turn On: After completing all wiring and signal connections you can now turn the system on. Adjust: Raise volume of the unit to maximum. Adjust left and right input gains of the unit until half way between minimum and maximum. Gradually increase source volume until clipping occurs. Begin gradually increasing input gains until distortion is audible, then reduce slightly, system should be extremely loud at this point. Turn the volume control down to minimum and back up to comfortable level. F E A T U R E S 123456 7 GAIN FADER ILL SUBG AIN FREQ FR 30Hz 150Hz 50Hz 125Hz3 15Hz 750Hz 9KHz 2.2KHz AUX 12KHz A N D S P E 1. GAIN CONTROL: C This control adusts the output level. I F 2. FADER CONTROL: I This control adjusts the volume between the front and rear C speakers in a 4-speaker system. A 3. INPUT SELECTOR SWITCH: T This switch selects the Main/Aux (Radio/CD) input. I O 4. BACK LIGHT ILLUMINATION SWITCH: N Orange or Red. S 5. SUBWOOFER LEVEL: Controls the Subwoofer level. 6. SUB FREQUENCY: This controls adjusts subwoofer frequency from 30Hz to 120Hz. 7. PARAMETRIC EQUALIZER CONTROLS: Control the frequency response of the boost or cut, with the 7 band controls: 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, 12kHz. 7 F E A T U R E S A N D S P E C I F I C A T I O N S 7 F E A T U R E S A N D S P E C I F I C A T I O N S RLSUBR EA RF RONT AUX RADI O INPU T OUTPUT GND REM BATT (+12V) SUBWOOFER SPEAKER FRON T SPEAKER REAR SPEAKE R Radio/Cass ette RL RL RL RL NOTES: Set your source volume at one-half to three quarter up and leave it in it’s position. Always use your volume as a master (main) volume control. It has better electronics, higher S/N ratio and is more linear than any source unit volume available. If engine noise is audible, try raising the volume on the source unit, and/or check the ground connection on the unit. Investigate the layout of your vehicle thoroughly before drilling or cutting. Take care when you work near the gas tank, gas lines, hydraulic lines, electrical components and electrical wiring. D...


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