Question about Boss R1400D Car Audio Amplifier
This is actually not so difficult from a logics perspective.
(Also it is true about their lack of schematics)
There are usually many more than one capacitor in these units. Good thing is all the capacitors are usually from the same manufacturer. Therefore is you match the size you can usually be pretty sure of the value of the blown one as they are usually a range of sizes for each value.
Hope this helps.
Posted on Jul 13, 2017
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Posted on Jan 02, 2017
what are the resistors connected to? mosfets?if so you need to identify which pin gate or source,these amps have dual so the other side would be the same.
Posted on Aug 09, 2007
The Boss OL5KD does not have a volume control. It has an "Input Level" adjustment which is used to match the output from your head unit preamp output to the amp. It is the first rotary control just to the right of the input jacks.
If you have no sound at all, I'd suspect that something is incorrectly connected or there is no input to the amp. First make sure that the amp power light (green LED) is coming on when you turn on the receiver and that the protection light (red LED) stays off. Then check all of your wiring, especially the RCA output cables.
Initially set the controls like this: MASTER/SLAVE switch in MASTER position (left). INPUT SENSITIVITY 2v-8v (right). INPUT LEVEL, SUBSONIC FILTER, BASS BOOST, and LOW PASS FILTER; midrange. PHASE SHIFT "0" (left). Leave the remote level control disconnected.
After you've checked all wiring and initially set the switches and controls, turn the receiver on to about 3/4 volume. Now adjust the INPUT LEVEL to the left just until you begin to hear distortion, then turn it back right just a little. Adjust the other controls for best sound. Plug in the remote level control and make sure that it adjusts the bass up and down. You're finished!
If there's still no output from the unit after checking all of the wiring, either the unit is defective, it's not getting an input from the receiver, or the sub(s) are defective.
Hope this helps.
Posted on Aug 14, 2009
SOURCE: how do i wire 2
Your subs are 4 ohm dvc so lower the impedance more power from your amp. I will include a link that will show you how to wire your subs for maximum performance. I would explain it but seeing the drawing will make more sense....
Posted on Sep 23, 2010
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