Some performers just exude a special something. Depending on which model it may be worth sending it off for repair. System: (2) Alpine type S 12”running at 1ohm The BX250 and many other amplifiers use the same solid red light to indicate both that the signal is muted and that the amp is in protection mode. Problem: bass cuts out and amp goes into protection mode when volume is raised up. Unplug all your connections, play it at a reasonably loud (not enough to blow your speakers of course) and connect one speaker at a time let it play for 20-30 seconds. I often find myself jealous of bassists. When you power on a BX250, the jewel light will turn red as it boots up, and then transition to solid blue when the amp is ready to rock- this is what will happen most of the time. dead car battery, dim lights, amp goes into protection mode.. etc. I found that someone had stepped on the stage monitor speaker wire right near where it plugs in and damaged the cord end. theres a few possibilities here. However, there are a few circumstances that will cause the light to turn a solid red and stay that way, which indicates that the unit is going into protection mode. all of it.. once i got a cap.. every lil problem i had with my own car and others was gone. You'll know if you blew the subs they sound like sh!t as soon as you put any bass through them. Worked fine for about 2 weeks but them my amp started going into protection mode and sounded like I blew my subs. if it goes into protect, inspect the most recent connection made, including the speaker itself. Thank you for this info. my heart started beating again and practice went on as usual. i had the same problems that all these people come across. Worked as a electronic technician and thought I knew it all you could know about electronics and music gear. Knowing the possible problems that a protect light indicates is essential. Disconnect everything except power ground and remote and see if it still jumps straight into protection. My arc audio xdi2000.1 Keeps going into protection mode. I have changed Head units 3 times and have gone through 4 amps and still the same problem. All amps have a green … A clamp on fan was utilized to lower the heat problem solved. I have come to these conclusions: I have a bad ground. I’ve had three Carvin heads that go directly into protect mode regardless of speaker load/cab used. Send it on out.” 6 weeks later, they said, “Sorry we can’t fix it, but we’ll gladly sell you a new amp for 30% off.” Problem was, I didn’t want a new amp! In this article we’ll show you some of the ways that you, as a guitarist, can get the most out of one. But what happens if one day you’re not paying close enough attention or using a different setup? I turn up volume and the amp will shut off even If again is at 1/4 and bass hit it will go into protection mode. The sub amp seems fine as long as truck is at idle, but as soon as I rev the engine, the amp goes into and out of protection on every bass hit. But first, let’s review what a DI box is. 2 Comments, Sign up to get the latest on sales, new releases and more…, © 2021 Carvin Audio. Many amplifiers will illuminate their protect LED during the mute delay (when you initially power up the amplifier). I was extremely happy with the PB500 and was willing to spend the money to have it fixed. It may be the same light as the jewel light, or a separate light altogether. The maximum, is...well hte maximum it can put out. It may or may not be the same color as the power light- there are many variations, so refer to your unit’s documentation if you are unsure where the protection light is or if there is a protection circuit. I've own several pair of those subs, pushing 350 per. How loud is a 24,000 watt system with 3 18's? The BX250 and many other amplifiers use the same solid red light to indicate both that the signal is muted and that the amp is in protection mode. Many bass amps and power amps use protection circuits, but for simplicity’s sake, we are going to discuss how the protection circuit works on a Carvin Audio BX250 and walk through a potential troubleshooting scenario. whenever im playing music right when i turn my car on the amplifyer (with no music playing) is fine no red light for protect but as soon as i turn music on and a music starts to go to the amp itll cut in to protect mode. I had a Carvin PB500 Bass head for 14 years before the protect light started coming on mysteriously; I hadn’t changed my setup in all that time. If the BX600 amp conks out, I’ll be replacing it with a Hartke amp again! If the amplifier goes into protect with the RCAs plugged in (but all speaker wires disconnected), there could be several problems. edit- When I blew the sub, everytime it went to hit the amp would go into protect mode but it never blew fuses. You first need to check the RCA shields of the head unit. Not very confidence inspiring. December 05, 2016 Thats why there are always two different wattage ratings for amplifiers. noooo. I have upgraded all battery, fuse box, and alternators power and ground cables to 0 gauge. The fuse in the in line can be less than what is on the amp. I checked the gain and turned it down some and bass boost punch was turned down all the way. the watts RMS and maximum watts. Subs hit good until high volume then go into protect mode. Buck Pomerantz from Crutchfield. One of the most common causes is an impedance mismatch- that is, the BX250 is loaded below its minimum impedance rating (for more on this topic, check out this article). I have an 80amp in my inline and 4 30amp fuses on my Crunch amp and didn't have any problems while it was working. I have 4 gauge running into truck hitting a distribution block and splitting two 4 gauge power runs to each amp. So many of them seem to be able to walk into almost ANY gig with just their instrument and a DI Box. Like I said, it's an underrated amp, could easily push 2 12" dual coils without a problem! Rockin Mike. It may seem like this is an innate talent available to some and not to others, but it turns out it can be learned. After a short delay (2-10 seconds), the protect LED will go off. The protection circuit saved my PA from damage. your car has a maximum speed, but is it really a good idea to run your car at its maximum speed all the time? To make sure the amp is really the problem, look to the side. Immediately power off your amplifier and check the impedance rating of the cabinets you are using. or, My fuse is too big on the amp power wire;( I have a 80amp big-blade type) P.S. Amplifier Protection Mode Troubleshooting . A technician who fixed the amp previously said he could fix it when the parts were delivered from Carvin, but the parts never arrived. Solid amp with great circuit protection, if anything goes wrong it'll just go into protect mode. May 27, 2011. The recent visitors block is disabled and is not being shown to other users. Kicked out of Capitol, Trump diehards vow to fight on, Why attack on U.S. Capitol wasn't a coup attempt, Biden: Pro-Trump mob treated 'differently' than BLM, New congresswoman sent kids home prior to riots, Coach fired after calling Stacey Abrams 'Fat Albert', TV host: Rioters would be shackled if they were BLM, $2,000 checks back in play after Dems sweep Georgia, Serena's husband serves up snark for tennis critic, CDC: Chance of anaphylaxis from vaccine is 11 in 1M. well my thought it that maybe your subs are the wrong resistance (Ohms) and are pulling too much power from your amp causing it to enter protect mode. Otherwise, it's likely that the output transistors failed. If the Protect Mode Light Turns On . on 8/18/2020. The … I also have four completely non functioning carvin heads sitting in my house. Now that we’re officially in a new year, many of us have probably spent some time making a list of New Year’s Resolutions. Seen that the protect light was on and found that the speaker cable was shorted out. Amplifier In Protection Mode. An amplifier with a built-in protection circuit will have a protect light. Now heres another idea...amps dont draw, or put out the same amount of power constantly. Still have questions? don’t know how but it was bad. Naturally, if you are really familiar with your amp, then chances are you know when it’s being pushed past its limits or set up incorrectly. I ve been performing live for some 40 yrs. Imagine if our amps could talk- there would be a lot less incidents of blown speakers and mismatched impedances! Another thing that may cause the red protect light to stay on is shorted or faulty speaker outputs. Coule be wired wrong, could be a bad ground, could be a bad fuse, or it coule be a broken amp. Is it the amp? I think this is related to undervoltage. The back of my GK says to wire the amp end to +1 +2 for mono bridged mode with the amp selected to mono bridge mode and full range mode and the ampeg site says the same except to keep the wiring normal +1 -1 for the speaker end. Step 4. My mpulse, 1001 rb, and other heads have never been an issue. An amp with a protect light can be a real gig saver. ive had this problem before and i just took the whole amp out and then replaced the fuse in the 12 volt 4 gauge wiring i have and then put the amp back in, worked fine till today, i unplugged EVERYTHING again and put a new fuse in and it still KEEPS CUTTING off, if you have any idea why please tell me why its doing this becuase i like my subs and i kinda wanna new amp but im not in the situation to buy one, and if you could possibly give me some suggestions on amp with 1500 watts in the $100-$200 range thatd be AWESOME. But we believe there is a TON of value in having a DI box in your gear toolbox. Happy New Year from all of us at Carvin Audio! Everything was working when I left, but when I returned the protection light on my Carvin PA system came on as soon as I powered it up. If your unit goes into protection mode, it is a good and bad thing- good that further damage is being prevented, but bad in that it may delay the gig. Has your amplifier’s protection circuit ever kicked in, and if so, what was the problem? how to i figure out how many amps  my generator is putting out? Join Yahoo Answers and get 100 points today. Amplifiers are often designed to go into “protect mode” to avoid further damage to internal components. Get your answers by asking now. Carvin Corp. Today, we are going to discuss an overlooked, unsung hero of your amp- the protect light. abraham wilson. Subs and amp still work battery however I highly doubt it. Amp goes into protect mode too easily Discussion in 'Amps and Cabs [BG]' started by Rockin Mike, Nov 11, 2012. Your info helps me learn new concepts and also reminds me of the old school knowledge. While no one- even the most experienced guitar techs- can immediately determine exactly what caused an amplifier to fail without taking a look under the hood, some units do give off warning signs that there is something wrong to prevent that costly replacement or trip to the repair shop. If the amp still goes into protect, you have a bad speaker wire or the wire is shorted to chassis ground. With that amp you should be pushing 300watts per sub, which should be fine. Even if they’re not as virtuosic as some other musicians, they shine on stage and everyone in the room seems tethered to their every move. Chances are you know it’s there, but you may have never seen it come on, or you have and you’re wondering what it’s trying to tell you. Other amplifiers ONLY illuminate the protect LED when there is a … I've tried it in two of my cars And it happens on both cars with different sub's , my other amps run just fine. My rig is rack mounted with additional items in the rack. Thanks Carvij.. running a B-2000 bass head and 1 BRX10.4 and 1 BRX18.1. If your amp has a “protect” light, and it’s on, then chances are good that you have a faulty speaker, subwoofer, cable or another component. So I called Carvin and they said “Sure we can fix it! Username: Abew330 ... so what you are saying is after each bass hit u have to recharge the cap.. For the first 8 or 9 months I had no issues with the system: the bass hit hard at whatever level I had it at. Sounds like the amp is going into protection mode. Is my vehicle compatible with this aftermarket stereo. In instances like this, the protection circuit will kick in to protect the amplifier’s power supply. But still goes into protection mode when volume raised, all my speakers is out of the amp but still dont go out of ptotect out, At the beginning I had a boss riot 1100 watt amp with a Rockford fosgate sub 4 ohm 500 watt 250 peak and it was running good with that one sub now I have purchase another Rockford sub same as the first one now my saying it’s in protection mode. After switching subwoofers and amp the problem didn't go away so I took the battery out and the problem was fixed. I've pretty much done everything wrong that you can do to a monoblock, and it's still performing like it did out of the box! This may be caused by a wire’s insulation breaking down or connecting a head to a cabinet after it has already powered on. I set up for a nighttime gig about 3pm once and then left the venue to grab some grub before going on. whenever im playing music right when i turn my car on the amplifyer (with no music playing) is fine no red light for protect but as soon as i turn music on and a music starts to go to the amp itll cut in to protect mode. One minute it's working and the next minute it's not, usually with the green power LED on the amp turning to red or orange. December 18, 2020 And while some people are born with it or pick it up easily, even if you have to work to get it, almost anyone can have great stage presence. If your unit goes into protection mode, it is a good and bad thing- good that further damage is being prevented, but bad in that it may delay the gig. 10 Comments. think of it as a car. For those amplifiers this is normal. I just did the same thing and fried my new sub. Home Forums > Bass Guitar > General Forums [BG] > Amps and Cabs ... Sign Up Now! After ten seconds of being powered off, the amp is reset, so turn it on and watch for the protection light again. To make a long story short, there is NO 5 CHANNEL POWER AMP that sounds as good as a 3ch and 2ch amplifier combination. Will I get cancer from a cd player with radio? i have done both experiments and the truth is that YOU DO lose details and more channel separation,etc when you select a 5 channel power amplifier of any manufacturer. Every-time the bass hits, or turn the volume up a little bit too high, the amp goes into Protection Mode, anddoesn'tt come back out untill i switch the stereo off and turn it back on. Sadly, we guitarists can’t get away with this and because of it many don’t see the value in owning a DI Box. Most cabinets have the specs printed on the back, so even if you are unfamiliar with the cabinets you are working with- such as in a situation where the cabinets are backlined- you can easily troubleshoot your rig. GOP delegate films himself breaking into Capitol. If that red light comes on, stay calm, power off your amp, and check your speaker connections and impedance ratings, making any necessary adjustments. Who was the man seen in fur storming U.S. Capitol? It scared the hell out of me, my drummer looked at the back of my setup and sarcastically said, “let’s try plugging the speakers in first”! Always the slave amp, here is the kicker, it only does it with engine running, I can bang them with engine off key on or engine off key in acc but if engine is running about 75% volume on hard bass hit slave is in protect. Getting ready for practice I turned amp on with no sound. In amp protect mode, the head unit will stay on, but it will seem to stop working as you will lose all sound from the speakers. Odd. That's the most common cause for an amplifier to go into protection. It was an easy fix by just replacing the cord. Let us know in the comments! Solution: This can be caused by too low of an impedance from the way the speakers are wired, and sometimes a poor charging system (if the amp goes into protect when the volume is turned up). Is it possible to make calls from your iPhone through a Sirius stereo system in a car? Nov 11, 2012 #1. POS and Ecommerce by Shopify. If it does verify proper voltage with a dmm and if it's good the amp is done. If your amplifier has switchable impedance, check to make sure that it is on the correct setting to accommodate the speaker load. Amp: Rockford Fosgate T750x1bd Bingo, that was the problem, the head was on without speaker connection, thanks you for the “protection” circuit. I have an amp that shuts down almost everywhere I take it. If the amp only goes into protect when one particular speaker is connected to the amp, you have a defective speaker. Bronze Member. Everything works good until i take a trip longer than an hour or 2 and the amp will go into protect mode due to i imagine getting too hot. Comments will be approved before showing up. You need to run the amp at a higher ohm load so the amp doesn't pull too much current which will cause it to go into protection mode. I honestly don't think it's my tuning because when the signal cuts, my amp does not go into protect mode. I currently have a 500-watt amp pushing 2 Lightning Audio 15"s While troubleshooting an amplifier in protection mode, make sure that the mute switch is not turned on, as this will also cause the jewel light to remain a solid red. ... not enough boomy bass like before and rock music bass kicks dont hit nearly as hard. The RMS is what your amp is always putting out...ie when no music is playing. . My Carvin pro-bass 500 once went into protect mode, was a outside gig in extreme heat. This isn’t such a bad idea, but we’d like to make a suggestion: how about making some New GEAR’S Resolutions? Last month I took my subs out and replaced the enclosure with a plexiglass enclosed one and now the amp/bass cuts out around volume level 30 (It goes up to 62), and it used to work at whatever volume I … My amp keeps shutting off when the bass hits hard. One of the more confusing car stereo problems can be when an amplifier goes into protection mode. 2000 Avalon radio will it for on a 2002 Siena? Amplifiers will illuminate their protect LED during the mute delay ( 2-10 seconds ), the LED... I have a 80amp big-blade type ) P.S shown to other users could know electronics... And bass boost punch was turned down all the way have changed units. 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