Question about Behringer EuroPower EP4000 2Channel Amplifier

1 Answer

Bias current behringer EP4000 - Behringer EuroPower EP4000 2Channel Amplifier

Posted by Anonymous on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Renaissance:

    An user who is expert in 3 categories / brands.

  • Behringer Master
  • 924 Answers

What about the bias current? Most current amplifier, say within the last 15 years, do not have adjustable bias.

Posted on Dec 12, 2014

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

What is the bias setting for the bxr1800h


Its the internal Voltage settings on the input gain.
Balancing it with current power setting sis a must.
25320532-ow2wnwjtjj33rhn4gshzhkfw-4-0.png

Dec 13, 2014 | Behringer BXR1800H Ultra Compact 180 Watt...

1 Answer

I have a behringer 2500. both channels are distorted but not out. what would need to be replaced.


It seems to me that you have a bad transistor, T14 or T13 to be precise. T14 most certainly is in short circuit or its companion T13 (T14 is a small signal NPN transistor whereas T13 is a small signal PNP transistor). I just fixed one with the same symptoms as yours. You should be able to measure T14 collector voltage against ground (metal chassis) and the reading must be very close to +15VDC. Also, measure T14 emitter voltage to ground and the reading must be very close to -15VDC. If any of those voltages is compromised, you will not be powering the amplifier's operational amplifiers (U4, U5, U6) right. Check T14 and T13 with your multimeter and replace them as needed. Also, keep in mind that after replacing any of those transistors you will be required to readjust the BIAS current for your amplifier's drivers, which by the way, is a very easy task to accomplish. You know your BIAS current is misadjusted when your output transistors get really hot even under no signal conditions or when your amplifier distorts at very low volume levels or on high frequencies amplifying. To adjust the BIAS current for channel 1's driver transistors, wait until the amplifier has cooled down, locate and adjust VR3 until you read 80 mV across R2. To adjust BIAS current for channel 2's driver transistors, locate VR6 and adjust it until you read 80mV across R106. You need to wait until the amplifier cools down to set BIAS current right, If the output transistors' heat sinks get hot before reaching proper BIAS current adjustments, wait until they cool down to average room temperature and retake BIAS current adjustment. Once both channels BIAS currents have been readjusted, apply a thin coat of thick nail polish to the sides of VR3 and VR6 to keep vibration from misadjusting BIAS currents again... T14 goes down under severe BIAS currents shifting and it just makes me wonder as to why BEHRINGER does not apply a setting substance to VR3 and VR6 so they do not shift under sever vibration conditions, after all, almost any major amplifier manufacturer in the world does it. Good luck!

Nov 10, 2012 | Behringer EUROPOWER EP2500 Amplifier

1 Answer

I have a pair of Behringer B1800x-pro subs that I am hoping to power with my EP4000. Would it be best to run one per channel or would it be better to run them in series with the amp bridged?


Run one per channel... DO NOT forget to use an electronic crossover feeding the amps as the speakers are rated only up to 300HZ so you need a low pass feeding these or you may burn them up. Some people are using the DriveRack crossover module for example to prevent sending highs to the subs and smoking them.

Sep 21, 2011 | Behringer EUROPOWER EP4000 4,000-Watt...

1 Answer

I have just bought an Behringer EP4000 amp. How do I connect 2 x B1520 and 1 x B1800X speakers to this amp? Thanks!


You don't (unless you want two B1520's on one channel and the sub on another). Reading the manuals would help.

The EP4000 amp drives only two channels. It CAN be bridged for one speaker but it won't support two channel and bridged mode simultaneously.

http://www.retrevo.com/support/Behringer-EP4000-Amps-manual/id/23591dj795/t/2/

The B1520 subwoofeer is PASSIVE so it will need a dedicated amplifier to power it and control its volume independently of other speaker channels.

http://www.behringer.com/EN/Products/B1800X.aspx

Aug 31, 2011 | Behringer Eurolive B212A Speaker

1 Answer

I have two JBL MRX 515 speakers at 8 ohnms and two behringer bins at 300 watts 4 ohms running off a behringer EP4000 amp, would this be ok ? and not casue any damage to the speakers


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Behringer-EP4000-Amps-manual/id/23591dj795/t/2/

http://www.raltron.com/cust/tools/parallel_resistance.asp

It's ohm's law, dude. 1/a + 1/b = 1/total. One each 8- and 4-ohm speaker in parallel per channel would be 2.7 ohms (nominal). So it will work in theory.

How you manage the potential difference in volume between dissimilar speakers on the same amp channel is a mystery.

Distortion will kill any speaker, not power. Stay within the amp's usable range.

Jun 23, 2011 | JBL MRX515 15" 2-Way Loudspeaker Main /...

1 Answer

I need a circuit board for a EP4000...


If the board has not been burned up, one should troubleshhot the bad components.

If you need to replace it call Behringer at 1-425-672-0816. Have the board number including any revision number to get the Behringer actual part number. They will give you and incident number as well for you to call FullCompass who distributes the spare parts now. You can find FullCompass phone number via Google.

Dec 13, 2010 | Behringer EUROPOWER EP4000 4,000-Watt...

Not finding what you are looking for?
Behringer EuroPower EP4000 2Channel Amplifier Logo

Related Topics:

116 people viewed this question

Ask a Question

Usually answered in minutes!

Top Behringer Audio Players & Recorders Experts

 Grubhead
Grubhead

Level 3 Expert

5011 Answers

Alvan Dawkins
Alvan Dawkins

Level 1 Expert

2 Answers

The Knight
The Knight

Level 3 Expert

73619 Answers

Are you a Behringer Audio Player and Recorder Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...