skidder652003 Posted August 5, 2012 Share Posted August 5, 2012 HI guys ok so last night we're playing at the old Bell Inn and im using my Ampeg PF-500 with good old Dave Hall's VT-2 Pre pedal and a markbass Compressore through 2 x 15's @ 650 w @ 4 ohm combined (one a Warwick and the other an Ashdown). Got the PF turned up to midway on both vol and gain, got the mids and treble up half way and the bass up to 2 o'clock (ie two thirds up). Im thinking this is surely gonna move some air and get the bottom of the jeans flapping (and into the bargain get some ladies dancing!). But from where i was standing, ie about 3 feet in front of the speakers it still felt underpowered. I couldnt feel that vibration in the chest, if you know what i mean? Sure it was loud but just.....not rich...and....whats the word...? So, is it the speakers, settings? Or maybe from that small distance from the speakers you can't really feel the force so to speak, perhaps the punters could feel it further away? Is that how it works, dunno? Sorry a bit of a ramble but cant work out why i cant feel the damn thing, surely theres enough juice? Quote Link to comment Share on other sites More sharing options...
mushers Posted August 5, 2012 Share Posted August 5, 2012 ask some one to stand at the back of the room and see if they feel it Quote Link to comment Share on other sites More sharing options...
charic Posted August 5, 2012 Share Posted August 5, 2012 Sounds like you're lacking low mids... or it MIGHT be to do with your settings on the compressor. Quote Link to comment Share on other sites More sharing options...
ead Posted August 5, 2012 Share Posted August 5, 2012 How close to the wall were the cans, you can get some weird cancellation effects sometimes. Quote Link to comment Share on other sites More sharing options...
warwickhunt Posted August 5, 2012 Share Posted August 5, 2012 Two cabs, different manufacturers... were the cabs in phase (I'm thinking has anyone at any point tinkered with either cab and wired it opposite or were your speaker cables wired identical)? Quote Link to comment Share on other sites More sharing options...
chris_b Posted August 5, 2012 Share Posted August 5, 2012 Have you run this rig before? Were you happy with it then? Quote Link to comment Share on other sites More sharing options...
skidder652003 Posted August 5, 2012 Author Share Posted August 5, 2012 dont think anyone tinkered with the warwick (i got the ashdown from new), will try messing with the comprerssore settings although theyre all pretty much a 12 o'clock and dont alter the sound too much as they're pretty transparent and subtle pedals. Im thinking standing so close to the speakers (as you do in these poxy tiny pubs) means you dont get the full effect of the air being moved, or is that cobblers? Quote Link to comment Share on other sites More sharing options...
Stacker Posted August 5, 2012 Share Posted August 5, 2012 Sound wave would take longer to propagate using 15s, so if you're standing too close you wont be experiencing the full sound of your rig. Quote Link to comment Share on other sites More sharing options...
dincz Posted August 5, 2012 Share Posted August 5, 2012 [quote name='Stacker' timestamp='1344172349' post='1760655'] Sound wave would take longer to propagate using 15s, so if you're standing too close you wont be experiencing the full sound of your rig. [/quote]Truly weird science! Quote Link to comment Share on other sites More sharing options...
Commando Jack Posted August 5, 2012 Share Posted August 5, 2012 The tone stack may not be flat at 12 oclock for each dial. A five minute sound check of playing with the dials and using your ears (and your chest ) to get the right mix would give better results than eyeballing it. Of course if you are getting phase cancellation from out of phase speakers or wall reflections you can only do so much with the tone knobs. Quote Link to comment Share on other sites More sharing options...
ezbass Posted August 5, 2012 Share Posted August 5, 2012 All of the above, but I want to be childish and talk about baked beans and Brussel sprouts. I'll get me coat. Quote Link to comment Share on other sites More sharing options...
TimR Posted August 5, 2012 Share Posted August 5, 2012 I would try the speakers separately in the same configuration. ie Warwick on top with Ashdown unplugged then again with Warwick unplugged. See if you get any difference in volume. I added a 2x10" Warwick to a 15" trace and got some weird cancelling effects. Mixing manufacturers can have weird effects. How close to the back wall were the cabs? If they're more than 1or 2 meters you can have cancellation problems where the sound bouncing off the back wall interferes with the direct sound from the cab. The cabs were stacked vertically I presume? Quote Link to comment Share on other sites More sharing options...
TimR Posted August 5, 2012 Share Posted August 5, 2012 If the pub is very small you may even have phase cancellation from the wall facing you or ceiling or low beams. Try angling the cabs diagonally inwards next time. Quote Link to comment Share on other sites More sharing options...
skidder652003 Posted August 5, 2012 Author Share Posted August 5, 2012 cabs stacked vertically, warwick on the bottom (its bigger) about half a meter from back wall, pub was small with low ceilings, beams, horse brasses etc! Quite busy as well so maybe bodies soaked it up, dunno? Will try angling the cabs inwards a bit more next time, thanks for that, what about strings? Using cheapo stringsdirect own brand, light/medium gauge, saying that, tried rotos, dunlop etc, didnt make much difference, but that a whole other thread! thanks for all suggestions by the way Quote Link to comment Share on other sites More sharing options...
Lozz196 Posted August 5, 2012 Share Posted August 5, 2012 Having had a PF500, I found it to be at its best without any pedals, and using the compressor on the amp. Anything else between bass & amp seemed to reduce that classic Ampeg thump. Quote Link to comment Share on other sites More sharing options...
TimR Posted August 5, 2012 Share Posted August 5, 2012 (edited) Low ceilings and beams will give you all sorts of problems. Sometimes you're better off just using the top 15 unplug the bottom one and use it as a stand and for show. What are your guitarists using? If they've got 4x12"s you're going to struggle. Edited August 5, 2012 by TimR Quote Link to comment Share on other sites More sharing options...
Stacker Posted August 5, 2012 Share Posted August 5, 2012 [quote name='dincz' timestamp='1344173933' post='1760669'] Truly weird science! [/quote] Yeh, isn't it? Physics, to be pricise. Quote Link to comment Share on other sites More sharing options...
TimR Posted August 5, 2012 Share Posted August 5, 2012 [quote name='Stacker' timestamp='1344193644' post='1761074'] Yeh, isn't it? Physics, to be pricise. [/quote] No it isn't. You're completely wrong. Quote Link to comment Share on other sites More sharing options...
Spike Vincent Posted August 5, 2012 Share Posted August 5, 2012 [quote name='ezbass' timestamp='1344174748' post='1760675'] All of the above, but I want to be childish and talk about baked beans and Brussel sprouts. I'll get me coat. [/quote] This diet will move air. Quote Link to comment Share on other sites More sharing options...
Chris2112 Posted August 5, 2012 Share Posted August 5, 2012 Could be that 'ole Ampeg, they can often sound pretty flat. Quote Link to comment Share on other sites More sharing options...
Stacker Posted August 5, 2012 Share Posted August 5, 2012 (edited) [quote name='TimR' timestamp='1344194359' post='1761090'] No it isn't. You're completely wrong. [/quote] Really? I'm always willing to learn, so why don't you explain where I'm 'completely wrong'? [url="http://www.homeworkassignmenthelp.com/images/loudspeaker-waveform%201.GIF"]looks like physics to me.[/url] Edited August 5, 2012 by Stacker Quote Link to comment Share on other sites More sharing options...
Stacker Posted August 5, 2012 Share Posted August 5, 2012 come on.... Quote Link to comment Share on other sites More sharing options...
TimR Posted August 5, 2012 Share Posted August 5, 2012 http://barefacedbass.com/technical-information/ Quote Link to comment Share on other sites More sharing options...
Stacker Posted August 5, 2012 Share Posted August 5, 2012 And? Quote Link to comment Share on other sites More sharing options...
Stacker Posted August 5, 2012 Share Posted August 5, 2012 So, if physics is not involved, what is? Hocus-pocus? Magic? You made a statement that I was 'cmpletely wrong' so explain yourself. Quote Link to comment Share on other sites More sharing options...
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