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”! Other amplifiers ONLY illuminate the protect LED when there is a … If the amp still goes into protect, you have a bad speaker wire or the wire is shorted to chassis ground. My Carvin pro-bass 500 once went into protect mode, was a outside gig in extreme heat. The protection circuit saved my PA from damage. 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. 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). Thank you for this info. The maximum, is...well hte maximum it can put out. 10 Comments. Nov 11, 2012 #1. But first, let’s review what a DI box is. ... not enough boomy bass like before and rock music bass kicks dont hit nearly as hard. How loud is a 24,000 watt system with 3 18's? This isn’t such a bad idea, but we’d like to make a suggestion: how about making some New GEAR’S Resolutions? Odd. Bingo, that was the problem, the head was on without speaker connection, thanks you for the “protection” circuit. Problem: bass cuts out and amp goes into protection mode when volume is raised up. It may be the same light as the jewel light, or a separate light altogether. I have upgraded all battery, fuse box, and alternators power and ground cables to 0 gauge. A clamp on fan was utilized to lower the heat problem solved. So I called Carvin and they said “Sure we can fix it! Sounds like the amp is going into protection mode. 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. Who was the man seen in fur storming U.S. Capitol? After a short delay (2-10 seconds), the protect LED will go off. So many of them seem to be able to walk into almost ANY gig with just their instrument and a DI Box. 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. Comments will be approved before showing up. 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. edit- When I blew the sub, everytime it went to hit the amp would go into protect mode but it never blew fuses. 2 Comments, Sign up to get the latest on sales, new releases and more…, © 2021 Carvin Audio. If the Protect Mode Light Turns On . A technician who fixed the amp previously said he could fix it when the parts were delivered from Carvin, but the parts never arrived. Amp goes into protect mode too easily Discussion in 'Amps and Cabs [BG]' started by Rockin Mike, Nov 11, 2012. December 05, 2016 System: (2) Alpine type S 12”running at 1ohm 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. You'll know if you blew the subs they sound like sh!t as soon as you put any bass through them. 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. . all of it.. once i got a cap.. every lil problem i had with my own car and others was gone. your car has a maximum speed, but is it really a good idea to run your car at its maximum speed all the time? Your info helps me learn new concepts and also reminds me of the old school knowledge. Let us know in the comments! But what happens if one day you’re not paying close enough attention or using a different setup? It may seem like this is an innate talent available to some and not to others, but it turns out it can be learned. Username: Abew330 ... so what you are saying is after each bass hit u have to recharge the cap.. If it does verify proper voltage with a dmm and if it's good the amp is done. I honestly don't think it's my tuning because when the signal cuts, my amp does not go into protect mode. One of the more confusing car stereo problems can be when an amplifier goes into protection mode. Depending on which model it may be worth sending it off for repair. The fuse in the in line can be less than what is on the amp. Getting ready for practice I turned amp on with no sound. 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. 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. I have an amp that shuts down almost everywhere I take it. For those amplifiers this is normal. Amplifier Protection Mode Troubleshooting . In instances like this, the protection circuit will kick in to protect the amplifier’s power supply. I set up for a nighttime gig about 3pm once and then left the venue to grab some grub before going on. With that amp you should be pushing 300watts per sub, which should be fine. I found that someone had stepped on the stage monitor speaker wire right near where it plugs in and damaged the cord end. 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! Join Yahoo Answers and get 100 points today. Thanks Carvij.. running a B-2000 bass head and 1 BRX10.4 and 1 BRX18.1. Worked as a electronic technician and thought I knew it all you could know about electronics and music gear. Today, we are going to discuss an overlooked, unsung hero of your amp- the protect light. theres a few possibilities here. Some performers just exude a special something. I was extremely happy with the PB500 and was willing to spend the money to have it fixed. abraham wilson. I’ve had three Carvin heads that go directly into protect mode regardless of speaker load/cab used. An amplifier with a built-in protection circuit will have a protect light. i had the same problems that all these people come across. 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. The recent visitors block is disabled and is not being shown to other users. If the BX600 amp conks out, I’ll be replacing it with a Hartke amp again! Sadly, we guitarists can’t get away with this and because of it many don’t see the value in owning a DI Box. Amplifier In Protection Mode. That's the most common cause for an amplifier to go into protection. Many amplifiers will illuminate their protect LED during the mute delay (when you initially power up the amplifier). 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. I ve been performing live for some 40 yrs. 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. Now heres another idea...amps dont draw, or put out the same amount of power constantly. 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. Is my vehicle compatible with this aftermarket stereo. Amp: Rockford Fosgate T750x1bd Bronze Member. 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! Home Forums > Bass Guitar > General Forums [BG] > Amps and Cabs ... Sign Up Now! 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. 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. To make sure the amp is really the problem, look to the side. If that red light comes on, stay calm, power off your amp, and check your speaker connections and impedance ratings, making any necessary adjustments. I think this is related to undervoltage. I often find myself jealous of bassists. Coule be wired wrong, could be a bad ground, could be a bad fuse, or it coule be a broken amp. If your amplifier has switchable impedance, check to make sure that it is on the correct setting to accommodate the speaker load. If the amp only goes into protect when one particular speaker is connected to the amp, you have a defective speaker. 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. 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. Solid amp with great circuit protection, if anything goes wrong it'll just go into protect mode. I currently have a 500-watt amp pushing 2 Lightning Audio 15"s GOP delegate films himself breaking into Capitol. Carvin Corp. My mpulse, 1001 rb, and other heads have never been an issue. Rockin Mike. 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. 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