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SPEAKER OUTPUT

The speaker output connectors on the

LP2075©

are two pairs of 5-way binding posts. Attach a

lead from the positive terminal of the speaker to the left speaker positive terminal of the amplifier,
and the negative speaker terminal to the left negative terminal of the amp, repeat for the right
channel. The 5-way binding posts should have a red color band for positive and a black color
band for negative. The speaker terminal, with the terminals facing you, fins up, from left to right, is
as follows:

Left speaker (-), Left speaker (+), Right speaker (-), Right speaker (+)

For Bridging the

Left (+)

 and the

Right (-)

 are used. All the terminals are also marked on the end

of the amplifier.

GAIN ADJUSTMENT

In a basic system, using a single amplifier, set the amp to minimum, turn the deck up until it just
starts to distort, then back the deck down slightly. This is the point where the output of the deck is
cleanest. Now, bring the gain of the amp up until it just starts to distort, and back it down slightly.
This will allow the deck and amp to reach maximum useable output at the same time.

WARNING

Your new

LINEAR POWER™

 amplifier, when used in conjunction with many of the efficient

speaker systems on the market today, can produce sound pressure levels that are considered
harmful to your hearing. Exposure to loud music may lead to loss in hearing. This effect may not
be readily appreciated because the damage to hearing is progressive.

Those who are exposed to excessive sound pressure should utilize direct individual protection in
the form of earplugs or earmuffs specifically designed for noise reduction.

In accordance with the

OSHA

 (Occupational Safety and Health Act) regulations for noise levels

as they relate to the work area, excessive sound pressure is defined as

115 db

 (a) continuous for

any length of time.

We recommend that you exercise restraint while enjoying the performance of this and other high-
powered mobile audio equipment.

GENERAL TROUBLESHOOTING

NO SOUND:

Check all connections. Check main power fuses. Check internal fuse(s). Check LED

status indicators, is the Green LED lit? Are any of the other LED indicators lit? With a trouble light
or DVM meter, be sure +12V is present at the amplifier on the large positive cable and on the
small red/white turn-on wire. Check for a good ground connection. Check by substitution or other
method for proper operation of music source. Be sure the

Turn on Switch

 mode is in correct

position.

BLOWS FUSES:

Check all connections to be sure all power wires, ground wires and speaker

wires do not short to each other or ground to vehicle. Re-check polarity of main power wires.
Check for proper speaker impedance. Check for proper sized fuse(s)

DO NOT install oversized

internal fuse(s)!

 

Summary of Contents for LP Series TO-3P

Page 1: ...t fully regulate the power supply and thus limit headroom and dynamic response The power supply is extremely over built with the transformer capable of delivering more than 5 times the energy needed to run the output stage at rated power The power supply is also highly efficient with the efficiency levels above 90 percent OUTPUT STAGES Transformer less direct coupled and fully complimentary output...

Page 2: ...stem You can use the 12 volts provided in the connector or use your on 12 volt source and use the ground in the fan connector to switch ground to your fan system The fan circuit is also reverse polarity protected so daisy chaining multiple amps into one custom fan system is possible with any one of the amps being able to trigger the fan system when needed without damaging the other amplifier fan c...

Page 3: ...ommets Installing the amplifier on an amp board or in an amp rack to further isolate it from the vehicle is recommended WIRING 1 Disconnect the negative ground cable from your vehicle s battery before making any power connections and or pull MAIN power fuse at battery for audio system DO NOT reconnect main system power fuse and or ground cable until installation is complete 2 DO NOT connect RCA in...

Page 4: ... for additional noises to enter the audio path Removing or installing the RCA cables while the amp is on and functioning disconnects all ground to the pre amp and output stages also running the amplifier with no RCA cables connected can cause the amplifier to pick up RF radio frequency noise due to the wide bandwidth of the amplifier This can cause a hiss noise thru the speakers and or cause the a...

Page 5: ...ight side of the input sensitivity gain control are two sets of push pin connectors one set of 3 pins for left channel and one set of 3 pins for right channel To set the amplifier for Differential Input mode remove the shorting connector from across the two pins marked SE and move them across the two pins marked DIFF BAL In the case of noise experimenting with changing the two input modes may help...

Page 6: ...e is no external crossover capability such as in factory OEM head units The crossover option can be ordered with the amp as a production option or the amplifier returned after original purchase to be added to the circuit at a later date This is a high quality crossover using high grade parts including sound quality op amps and processors The crossover uses two infinitely variable crossover potenti...

Page 7: ...armful to your hearing Exposure to loud music may lead to loss in hearing This effect may not be readily appreciated because the damage to hearing is progressive Those who are exposed to excessive sound pressure should utilize direct individual protection in the form of earplugs or earmuffs specifically designed for noise reduction In accordance with the OSHA Occupational Safety and Health Act reg...

Page 8: ...sten for a change in the noise level If little or no change occurs the amplifier s input power source battery alternator is contaminated or you have bad chassis ground connections to amplifier If the noise is gone the possibilities are a ground loop between the radio and some other piece of equipment inline or between the amplifier s no RCA ground getting to amp or a noise problem earlier in the s...

Page 9: ...ir please go to www linearpower com There you will find a service page that you can download and print a RA Form from This form will have all the information you need to send the unit in for repair and areas for you to enter all your information If you are sending a product in for warranty you must also send proof of purchase from an authorized dealer of direct purchase receipt from the factory Yo...

Page 10: ...10 ...

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