Question about Behringer Ultratone K3000fx 300w Keyboard Amplifier New

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I just bought a Behringer K3000FX amp and it sounds GREAT with my keyboard. However, just bought a Shure SM48S voice mic and it just doesn't come thru the amp with much volumn...have to turn amp

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  • 6 Answers

Greetings! Ok, your amp has an XLR (3-prong) Low-Impedance input on Channel 1 for a Mic. All the other inputs are 1/4" High Impedance inputs, which are for instruments and/or other High Impedance items including low quality High Impedance Microphones. The SM48S is a high quality Low Impedance microphone, so if you use it with a 1/4" plug, it will be in a High Impedance channel, and will be very LOW in volume in comparison with everything else. So, you must use an XLR (3 prong) cable from the Mic to the Channel 1 input on your amp. That will do the trick. Good Luck with your new amp and Mic!

Posted on Dec 06, 2017

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Posted on Jan 02, 2017

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SOURCE: Does anybody have a schematic for the Behringer

Look at this one:

http://elektrotanya.com/behringer_k1800fx_sch.pdf/download.html

This is for the 1800 however...

Often they will just double up with two amps, one inverted, and use in bridged mode.at the higher power in what we call an "H" arrangement.

Since the drains are tied together, the heatsinks MIGHT be hot output level.

Posted on Feb 06, 2011

SuperTech-11
  • 1591 Answers

SOURCE: I have a Behringer 1202fx

Personally I would run the RCA outputs to the RCA in on the APS.
If you insist on using XLR from the APS to the board (like through a snake etc) I would higly recommend using XLR to 1/4" adapters. These things have wonderful little transformers in them (yes, wire wound transformers) that do the 1/4" to XLR conversion really nicely so that you can run your signal through the snake or just so that you don't get the hum and distortion that can be associated with unbalanced signal transfer.
You want a HI-Z unbalanced to LO-Z balanced adapter.
Not always easy to find, but if you absolutely cannot locate any, I have a couple in stock.
I suggest you look around though, because mine aren't cheap!

Posted on Feb 27, 2011

Testimonial: "Great info."

  • 5603 Answers

SOURCE: I own a Behringer Ultratone

This is most LIKELY an electronic problem... possibly in the final power amp. Repair may be a simple failed component or a mass number that fail like a stack of dominos. Take it to a shop for repair.

Posted on Apr 16, 2011

djromann
  • 158 Answers

SOURCE: I have two Behringer Eurolive

This is alimentation fault of the amplifier inside the box. Dismount the amplifier block and take a look first if there are some burned pieces. If it seems all ok, better bring it to a electronics/ tv service center.

Posted on May 18, 2011

mrwtech727
  • 75 Answers

SOURCE: My Behringer mixer Eurorack UB802

Here's the manual. page 8 Good Luck!




http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000064843.pdf

Posted on Sep 03, 2011

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1 Answer

How can I reduce white noise / hissing I'm getting over the mic on a Behringer Xenyx 1204 USB setup?


Hi, you didn't say if the mic actually passes sound? The C-1 is a condenser Mic & needs phantom power - switch on the rear of your mixer. If that's no help, what happens if you disconnect the mic, then turn the levels back up? Still hissing or gone? If it's gone then it's the Mic - must use a 3 wire cable, preferably XLR so it gets the phantom power. If the hiss is still there without the Mic then sounds like the mixer is faulty - try some of the other channels..... How loau is the hiss - just in the background or as load as a vocal "one, two" test? A few things to check anyway...... Good Luck!

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Where can I get a Type T 6.3 AH 250V fuse for a K3000FX 300Watt Keyboard Amp?


Start with a 5 amp fuse and see if that holds. If it doesn't go to 10 amp. If that pops, you will have a power supply or amplifier fault. Good luck

Aug 12, 2014 | Behringer Ultratone K3000fx 300w Keyboard...

1 Answer

No woofer sound from my K3000FX. Verified all cables and settings correct- but sound only comes from tweeter. What could it be?


Step 1:

Hate to say it, but possibly a blown speaker. To check this, do the following -


Step 2:

Insert headphones into jack to verify for sound there.

Step 3:

Unplug unit and open rear panel to reveal speakers.

Step 4:

Remove leads from woofer.

Step 5:

Using a multimeter, set to OHM (horseshoe) to lowest setting.

Step 6:

Apply red(+) and black(-) to speaker leads. Meter should read at least 4-8 ohms of resistance.

Step 7:

If no reading, then voice coil is blown.

Step 8:

If no meter available to use, the use a 9 volt battery by applying direct connection to speaker leads in an off-and-on fashion - You should hear a "click" sound come from speaker. If no "click," then speaker is blown.

Step 9:

If click is heard, and resistance on meter is correct, then the amp circuitry leading to the woofer may be blown = repair needed.

Jan 18, 2013 | Behringer Ultratone K3000fx 300w Keyboard...

1 Answer

K3000FX SCEMATIC


you have a fried circuit maybe or a fried power supply

Jan 05, 2013 | Behringer Ultratone K3000fx 300w Keyboard...

1 Answer

Behringer K3000FX Ultratone Keyboard Amplifier from day 1 has had a slight buzz


For a start , check headphones out.


• if it don't work , check power supply of the preamps.


• If it is OK, could probably the main amp have fail.

But check the main volume .

Sep 11, 2012 | Behringer Ultratone K3000fx 300w Keyboard...

1 Answer

Soil appears to workeaker cno sound output from speaker or headphone output


• Open the unit, and check regulators in the power supply section.

• Could also be from the op amp IC , and coupling capacitors.

Sep 17, 2011 | Behringer K3000fx 300w 4-channel PA...

1 Answer

Will an Eminence Beta 15A speaker (`5", 300w, 8 ohm) fit/work in the k3000fx? If so, will there be a trade-off or consequence of performance? I already own the Beta speaker, and have a chance to...


It ill probably work, however I have had to do body-and-fender work on a speaker cabinet where the new frame would not quite set in the existing hole in the mounting board. The Eminence speakers are supposed to be good... are you sure the Behringer amp is OK? The K1800FX uses a conventional linear amp... not sure about the K3000fx... The only possible problem I could see is that the original speaker (Bugera 15 inch)may have a different response and the tweeter may not match too well. You can probably adapt using th EQ should this be the case.

Sep 01, 2011 | Behringer Ultratone K3000FX Keyboard...

1 Answer

My ultratone k3000fx does'nt sound anymore. What can be the problem ? Thank you.


Here is your service schematic:

http://elektrotanya.com/behringer_k1800fx.zip/download.html

Scroll down to "Get Manual" and click on it to download. The file is compressed and the preamp/FX is on one, the power amp on a second, and a trivial tweeter crossover on the third... I did not see the power supply. Check speaker for continuity of voice coil. Else it is likely a power amp failure.

Jun 08, 2011 | Behringer K3000fx 300w 4-channel PA...

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I own a Behringer Ultratone K3000fx 300 watt PA/Keyboard Amp that stopped putting sound out. The amp is getting power just not putting out any sound at all. Just wondering if this is an easy fix or I...


This is most LIKELY an electronic problem... possibly in the final power amp. Repair may be a simple failed component or a mass number that fail like a stack of dominos. Take it to a shop for repair.

Apr 16, 2011 | Behringer Ultratone K3000fx 300w Keyboard...

2 Answers

Does anybody have a schematic for the Behringer LPA1300 power amp section used in the K3000FX keyboard combo? Are the output devices supposed to be the ground path for the power amp. (there are no...


Look at this one:

http://elektrotanya.com/behringer_k1800fx_sch.pdf/download.html

This is for the 1800 however...

Often they will just double up with two amps, one inverted, and use in bridged mode.at the higher power in what we call an "H" arrangement.

Since the drains are tied together, the heatsinks MIGHT be hot output level.

Feb 05, 2011 | Behringer Ultratone K3000fx 300w Keyboard...

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