Rammsteinbrit Posted October 16, 2012 Share Posted October 16, 2012 Ok, so i feel abit dumb asking this question, but i need help... Gigging alot, using my Marshall DBS 7200 amp (http://www.marshallamps.com/heritage/dbs/dbs_01.asp) with my Marshall 7152 Cab (http://www.marshallamps.com/heritage/dbs/dbs_02.asp). Trying to play at louder volumes makes the speaker(s) in the Cab Pop loudly... Is this a problem with the speakers? or..........? Any advice is incredibly welcome. Thanks, Darbs. Quote Link to comment Share on other sites More sharing options...
neepheid Posted October 16, 2012 Share Posted October 16, 2012 First thing to is work out what is generating the noise - bass, lead between bass and amp, amp, lead between amp and cab or cab. Can you plug the head into another cab? Can you get different leads? Find out which part of the puzzle is causing you grief and then we'll take it from there. Quote Link to comment Share on other sites More sharing options...
sixdegrees Posted October 16, 2012 Share Posted October 16, 2012 Are you using any pedals? I had this problem once when my chorus pedal had an intermittent power adapter which caused quite a loud and distressing popping when it reconnected itself. Sounds like it could be a dodgy connection somewhere in the chain. Quote Link to comment Share on other sites More sharing options...
bremen Posted October 16, 2012 Share Posted October 16, 2012 I blame the pyros ;-) Quote Link to comment Share on other sites More sharing options...
Rammsteinbrit Posted October 16, 2012 Author Share Posted October 16, 2012 Ok. so.... [quote name='bremen' timestamp='1350402906' post='1838337'] I blame the pyros ;-) [/quote] Excellent [quote name='sixdegrees' timestamp='1350402901' post='1838336'] Are you using any pedals? I had this problem once when my chorus pedal had an intermittent power adapter which caused quite a loud and distressing popping when it reconnected itself. Sounds like it could be a dodgy connection somewhere in the chain. [/quote] Im not using any pedals... The only thing im using is a tuner, which is rackmounted and plugged into the Tuner Out part of the Amp. [quote name='neepheid' timestamp='1350402664' post='1838329'] First thing to is work out what is generating the noise - bass, lead between bass and amp, amp, lead between amp and cab or cab. Can you plug the head into another cab? Can you get different leads? Find out which part of the puzzle is causing you grief and then we'll take it from there. [/quote] This has happened for a while, with different basses and different leads. The only thing i havent changed around is the cab and amp. What i will say, is that this doesnt happen at lower volumes. This is only when im turning it up over half way... Quote Link to comment Share on other sites More sharing options...
alexclaber Posted October 16, 2012 Share Posted October 16, 2012 It could be that you're managing to bottom out the speakers (so the voicecoil smacks into the magnet backplate) due to pushing too much power into them in the low frequencies. Turn down your lows and see if the problem goes away. If you bottom out the speakers too hard you'll damage the voicecoil former, which will make the drivers distort due to internal parts rubbing, and eventually fail. Does it happen on any particular notes or as you go lower down the neck? Does it happen with particular playing techniques? Quote Link to comment Share on other sites More sharing options...
Rammsteinbrit Posted October 16, 2012 Author Share Posted October 16, 2012 [quote name='alexclaber' timestamp='1350404458' post='1838371'] It could be that you're managing to bottom out the speakers (so the voicecoil smacks into the magnet backplate) due to pushing too much power into them in the low frequencies. Turn down your lows and see if the problem goes away. If you bottom out the speakers too hard you'll damage the voicecoil former, which will make the drivers distort due to internal parts rubbing, and eventually fail. Does it happen on any particular notes or as you go lower down the neck? Does it happen with particular playing techniques? [/quote] Funny you say that, Low is nearly on full and it mostly happens on the G... Quote Link to comment Share on other sites More sharing options...
alexclaber Posted October 16, 2012 Share Posted October 16, 2012 Third fret E-string G? Quote Link to comment Share on other sites More sharing options...
Rammsteinbrit Posted October 16, 2012 Author Share Posted October 16, 2012 Sorry, yeah E-String G. Quote Link to comment Share on other sites More sharing options...
Bill Fitzmaurice Posted October 16, 2012 Share Posted October 16, 2012 (edited) [quote name='Rammsteinbrit' timestamp='1350404574' post='1838373'] Low is nearly on full [/quote]Doing that can cause both the speakers and the amp to reach their limits. Don't. Edited October 16, 2012 by Bill Fitzmaurice Quote Link to comment Share on other sites More sharing options...
alexclaber Posted October 16, 2012 Share Posted October 16, 2012 I don't know how that cab's tuned but if it's tuned oddly then it it could be the woofers hitting the backplate. Normally low G is quite close to the tuning frequency of a bass cab which makes it easier on the woofers, in which case it could be the amp clipping as it struggles to deliver enough current. But it does sound more like an imminent speaker death problem, so my guess is the cab is tuned too high and your bass and amp are putting out a lot of bottom on the low G fundamental and upsetting the speakers. As Bill says, regarding low being nearly on full, don't! It's fine cranking the lows at low SPL when your ears are insensitive to low frequencies, but once you're up at gigging volume you need to back off that bass boost. If you want your bass to sound more bassy, change what you're doing with your right hand and/or turn up whilst turning the treble down. Quote Link to comment Share on other sites More sharing options...
xgsjx Posted October 16, 2012 Share Posted October 16, 2012 I blame the "M" word. Quote Link to comment Share on other sites More sharing options...
pete.young Posted October 16, 2012 Share Posted October 16, 2012 Sorry to say that I had a popping noise from my Puma combo and it turned out to be a blown woofer :-( Hopefully yours will just be an eq problem. Quote Link to comment Share on other sites More sharing options...
Rammsteinbrit Posted October 17, 2012 Author Share Posted October 17, 2012 [quote name='pete.young' timestamp='1350407970' post='1838445'] Sorry to say that I had a popping noise from my Puma combo and it turned out to be a blown woofer :-( Hopefully yours will just be an eq problem. [/quote] Actually i had it repaired recently, since it came back, its been making this popping noise, took it back and the guy did a test on it and said it was fine...blamed it on the amp... Hmmmmm [quote name='xgsjx' timestamp='1350407115' post='1838427'] I blame the "M" word. [/quote] Huh? Marshall? It sounds lovely, and is perfect for my needs (however, the popping is getting RIGHT on my tits!) Thank you ALL for you help (esp Alex and Bill), i will try some of these suggestions out... Quote Link to comment Share on other sites More sharing options...
xgsjx Posted October 17, 2012 Share Posted October 17, 2012 [quote name='Rammsteinbrit' timestamp='1350492705' post='1839676'] Huh? Marshall? It sounds lovely, and is perfect for my needs (however, the popping is getting RIGHT on my tits!) [/quote] Sorry buddy, just my sense of humour. Marshall are more known as a guitar rig maker & not so revered in the bass world. Saying that though, the DBS range do get a good review & was one of the amps I looked at when shopping. IMO the cab you have is not the best of designs, but if it gives you the sound you want, then that's what matters. Quote Link to comment Share on other sites More sharing options...
Rammsteinbrit Posted October 18, 2012 Author Share Posted October 18, 2012 [quote name='xgsjx' timestamp='1350493530' post='1839688'] Sorry buddy, just my sense of humour. Marshall are more known as a guitar rig maker & not so revered in the bass world. Saying that though, the DBS range do get a good review & was one of the amps I looked at when shopping. IMO the cab you have is not the best of designs, but if it gives you the sound you want, then that's what matters. [/quote] Its ok I will probably look at upgrading at some point, its just my other band members would get RIGHT up the arse if i was to get serperate cabs etc... Kinda stuck with what ive got, unless i get a combo again (not gonna happen) Quote Link to comment Share on other sites More sharing options...
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