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F

EATURES AND BENEFITS

DC Offset Protection

This circuit protects the output of the amplifier against DC voltage.   If for some 
reason DC voltage is detected at the output stage, the amplifier will shut down 
protecting the speakers from direct current. 

Short Circuit Protection

The circuit protects the amplifier from damage due to a short found in the speakers 
or wiring. If one of the speakers or its wiring comes in contact with ground, the 
amplifier will shut down.   To resume normal operation, correct the problem and 
turn the head unit off, then back on.  The amplifier will reset and play again.

Thermal Protection

To protect the amplifier circuitry against damage caused by prolonged exposure to 
high temperatures, a thermal protection circuit is activated if the amplifier reaches 
excessively high operating temperature.   Once the thermal circuit is activated, the 
amplifier will shut down to cool off.  The amplifier will automatically turn back on 
once it cools down to a safe operating temperature.

Power Indicator

The diagnostic L.E.D. Illuminates green when the amplifier is on and receiving 
power.

Tri Mode Capable

If so desired, the amplifier may be run in stereo and mono at the same time.  For 
example, this feature would allow you to run a pair of mid and tweeters in stereo 
and a sub-woofer mono.

Built-in Crossover

The “EL”amplifiers include a built-in variable **high and low pass crossovers.   The 
crossover features a variable frequency selection (60Hz ~ 400Hz) for precise high or 
low pass filtering. **Except EL1500 which has a 40 ~ 120Hz low pass filter.

Auxiliary Output

The “EL”amplifiers include a auxiliary output for a daisy chain connection of an EL 
Bazooka

d

 Amplified Bass Tube.

Power and Speaker Distribution Blocks

Heavy gauge bare wire distribution blocks are provided for maximum power and 
signal transfer with minimal resistance.

3

Содержание EL1500

Страница 1: ......

Страница 2: ...s of clean uninterrupted sound reproduction Therefore we urge you to take a few minutes to carefully read through this manual It will explain all of the features of your EL amplifier and help insure t...

Страница 3: ...ng amplifier Remember there are many electrical wires gas lines vacuum lines brake lines as well as a gas tank in the automobile Make sure you know where they are when mounting the amplifier to avoid...

Страница 4: ...e Once the thermal circuit is activated the amplifier will shut down to cool off The amplifier will automatically turn back on once it cools down to a safe operating temperature Power Indicator The di...

Страница 5: ...ed to the head unit s remote output The amplifier will turn on and off with the head unit to save current consumption This control also operates the reset circuit for the amplifier s protection It mus...

Страница 6: ...lines as well as a gas tank in the automobile Make sure you know where they are when mounting the amplifier to avoid puncturing lines shorting wires or drilling holes in the gas tank Once you are rea...

Страница 7: ...ge wire black to connect to the terminal marked GND and then connect it to the car s chassis Try to keep the length of the cable as short as possible preferably less than 6 Also make sure that the poi...

Страница 8: ...e line out connection to additional amplifiers in the system Connect the RCA output of the head unit AM FM cassette player CD or DAT to the RCA input terminals of the amplifier To make these connectio...

Страница 9: ...rnal adapter Determine the type of radio you have and make one of the following connections HIGH LEVEL CONNECTIONS OPTIONAL CAUTION Before making any connections determine the type of radio to avoid p...

Страница 10: ...TER LOW FLAT HI FILTER LOW FLAT HI 9 EL460 CONNECTIONS COMMON GROUND RADIO 94 7 94 7 EL460 CONNECTIONS FLOATING GROUND RADIO MOST COMMON TYPE RIGHT RIGHT RIGHT RIGHT LEFT LEFT LEFT LEFT GRAY GRAY GRAY...

Страница 11: ...sponse When connecting make sure that positive from the amplifier is connected to the positive of the speaker and the same for negative SPEAKER CONNECTIONS BRIDGED CH 1 CH 2 CH 4 CH 3 AUX OUTPUT 12V R...

Страница 12: ...s are capable of being bridged in a mono configuration This feature allows you the flexibility of using the amplifier to drive a subwoofer or a center channel In this configuration the amplifier sums...

Страница 13: ...t Mid Tweeter 4 Ohm 2 Ohm Minimum Right Mid Tweeter 4 Ohm 2 Ohm Minimum 12 The amplifier is capable of running in a Mono Stereo mode This feature gives the amplifier the ability to run stereo satellit...

Страница 14: ...adjustment Once you select your mounting location you will need to run the control wire from the remote to the amplifier To avoid possibility of induced noise from the car s electrical system i e popp...

Страница 15: ...atch the output of the radio This is one of the most misunderstood adjustments By rotating the control in the clockwise direction the amplifier s input will become more sensitive and the music will pl...

Страница 16: ...eck connection Grounding point clean and tight Check for ground w meter Head Unit s fader not in center position Set to center position Low Output Check level adjustments Re adjust Bad RCA cable s Rep...

Страница 17: ...x 4 85W x 4 Bridged 4ohm N A 175W x 2 175W x 2 Frequency Response 1dB 20Hz 200Hz 20Hz 22KHz 20Hz 22KHz S N Ratio A weight 90dB 90dB 90dB THD with 80k filter 03 03 03 Low Input Level 200mV 6V 200mV 6V...

Страница 18: ...ranty lasts and some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusions may not apply to you This warranty gives you specific...

Страница 19: ...of of the date of purchase of the product If proof of purchase is not provided original date of manufacture will be used to determine warranty period 3 You must package the product securely to avoid d...

Страница 20: ...Manual By www extremeconcepts com EL MANUAL REV 3 3 01...

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