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04-04-2011, 08:32 AM
| | Registered User | | Join Date: Apr 2011 Location: Detroit | |  450w amp into 600w cab, should it be done?
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I have an ampeg b2re 450w (@ 4ohms) and I just recently acquired an ampeg 610 classic 600w (@ 4ohms). Is my head gonna be effected cause of under powering, will I need to get another piece of equipment (power amp), or am I ok? Any help is greatly appreciated! |
04-04-2011, 08:37 AM
| | Registered User | | Join Date: Dec 2004 Location: Germany, EU | | Absolutely, DO NOT UNDERPOWER !!!
That means, leave your master volume permanently on 11, better 12 or even 13, since reducing volume would mean your amp provides less power to the speaker.   
Use the search function, this is a widely and exhaustingly discussed subject... 
Or better even, read the FAQ
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Last edited by OldogNewTrick : 04-04-2011 at 08:39 AM.
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04-04-2011, 08:50 AM
|  | Fingers, pick, and a little bit of slap | | Join Date: Dec 2001 Location: Terrapin country (Crofton, MD) | | Quote:
Originally Posted by skaerkrow  I have an ampeg b2re 450w (@ 4ohms) and I just recently acquired an ampeg 610 classic 600w (@ 4ohms). Is my head gonna be effected cause of under powering, will I need to get another piece of equipment (power amp), or am I ok? Any help is greatly appreciated! | You are fine. That head might not get the most volume out of your cabinet, but there's no danger to either head or cabinet. |
04-04-2011, 09:06 AM
| | Registered User | | Join Date: Jan 2002 Location: Palm Coast, Florida | | Quote:
Originally Posted by skaerkrow I have an ampeg b2re 450w (@ 4ohms) and I just recently acquired an ampeg 610 classic 600w (@ 4ohms). Is my head gonna be effected cause of under powering, will I need to get another piece of equipment (power amp), or am I ok? Any help is greatly appreciated! |
A: There is NO SUCH THING as underpowering - if there was, amps would not come with a volume knob or be able to be turned off (the ultimate in underpowering).
B: That 600 watt rating is a thermal rating for the voice coils to melt, NOT a minimum of power that must be supplied. Additionally, the mechanical limits of the speaker are far less than the thermal ratings - probably would not be able to handle the wattage you have now without farting out or distorting.
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04-04-2011, 10:25 AM
| | Registered User
Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by OldogNewTrick
Or better even, read the FAQ[/url]
| Yeah, right. Like that's going to happen.
Kelly, when are you going to rename that thread " Do Not Read This! so that someone actually will?  |
04-04-2011, 11:07 AM
| | Registered User | | Join Date: Apr 2011 Location: Detroit | | | Thanks for your help and responses. I'm rather new to the site and haven't had a chance to explore it yet, so I apologize for asking an over redundant question that I might have found an answer for already posted somewhere here. |
04-04-2011, 11:17 AM
|  | Is this thing on? | | Join Date: Feb 2009 Location: Where else? In the dog house. | | | Don't sweat it. Type "do a search" into the search function. Watch your computer explode.
(but the FAQ's and stickies are chock full of all kinds of cool stuff) |
04-04-2011, 11:21 AM
| | Registered User | | Join Date: Sep 2010 Location: Czech Republic | | | My tires are rated for 140mph but I never drive faster than 80. Will I damage my tires? |
04-04-2011, 11:46 AM
| | Registered User | | Join Date: Jan 2008 Location: Virginia Washington DC | | Quote:
Originally Posted by dincz My tires are rated for 140mph but I never drive faster than 80. Will I damage my tires? | Yes. Duh. Newb.
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04-04-2011, 11:51 AM
| | Registered User | | Join Date: Apr 2011 Location: Detroit | | Quote:
Originally Posted by dincz My tires are rated for 140mph but I never drive faster than 80. Will I damage my tires? | If they're Firestone.. |
04-04-2011, 11:55 AM
|  | http://greenboy.us/forum/
greenboy designs: fEARful, bassic, dually, crazy88 etc | | Join Date: Dec 2000 Location: remote mountain cabin Montana | | | The underpowering myth taken to its absurd conclusion would imply that all four tires would die in your driveway. All that stress of just sitting there, not being driven. Yegads! - it's a wonder people can even get their cars home from the dealership without suffering tire mishaps! |
04-04-2011, 12:28 PM
|  | My Dog is on 'Shrooms | | Join Date: Feb 2008 Location: La Jolla, CA | | Quote:
Originally Posted by skaerkrow Thanks for your help and responses. I'm rather new to the site and haven't had a chance to explore it yet, so I apologize for asking an over redundant question that I might have found an answer for already posted somewhere here. | Hey, don't worry about it....being new to the site you wouldn't know that this topic has come up 2,567,981 times over the past couple of years.. 
Your amp will do fine! Welcome to TALKBASS! 
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04-04-2011, 12:31 PM
| | Registered User
Endorsing: Ampeg | | Join Date: Apr 2005 Location: Apopka, FL | | | don't blame the op. do you realize how many professionals actually believe that underpowering crap and preach it like gospel? i have actually had pro soundmen tell me the same thing. i get a kick out of turning my 25w b-15n up all the way (the cabs handle 300w each) and playing a metallica riff for them. so much for that myth.
and stop busting balls about the faq. nobody reads it, least of all the people who always say to read the faq.
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