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#277940 - 04/07/10 09:01 AM Head + Cabinet output power
Gilles C. Gilles C. Professional Forumite! Registered: 09/04/10 Posts: 409 Loc: Dunstable, UK	I was browsing through Ebay listings earlier and found one for a 50W head and 120W cabinet. Does that make it a 50W system? _________________________ Fender Telecaster Standard (MIM) Vintage V100HB (Les Paul style) £48 Squier SA-105 acoustic Behringer X V-Amp Marshall Valvestate 80V
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#277985 - 05/07/10 11:52 AM Re: Head + Cabinet output power [Re: Gilles C.]
LooseMoose LooseMoose Forum Council Member Old Timer Registered: 13/08/01 Posts: 4649 Loc: London	Yep, when looking at cabinets, the quoted wattage basically means what the cabinet can handle. So: 50w Head / 120w Cabinet = 50w 120w Head / 120w Cabinet = 120w 120w Head / 50w Cabinet = 120w but danger of speaker damage
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#277988 - 05/07/10 12:51 PM Re: Head + Cabinet output power [Re: LooseMoose]
Lurcher Lurcher Professional Forumite! Registered: 09/02/09 Posts: 899 Loc: Tipperary, Ireland	Yes it might be interesting to note that Hiwatt sell a 400w cab to match their 50w Valve and 100w SS amps. I prefer to run at least double the output of the amp in terms of speaker handing, though my Roost 120w Valve and modded 800w cab might be overkill in some situations. Brian _________________________ I pick up my guitar and play Just like yesterday Guitarist with The Silver Hoarde. Geriatric Metal for your weddings and wakes.
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#278002 - 05/07/10 03:56 PM Re: Head + Cabinet output power [Re: Lurcher]
DaveBass DaveBass Old Timer Registered: 30/10/02 Posts: 6424 Loc: The wilds of Surrey	I've destroyed enough speakers over the years to convince me that speakers should always be rated higher than the amp that's driving them. So yes, that's a 50W system. Dave
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#278030 - 06/07/10 10:39 AM Re: Head + Cabinet output power [Re: DaveBass]
Lurcher Lurcher Professional Forumite! Registered: 09/02/09 Posts: 899 Loc: Tipperary, Ireland	Just an afterthought about why you always go over on the rating. All amps, but especially valve amps, go over their rating. Reason being that the rating is assessed at the point of audible overdrive breakup. Most valve amps go well beyond that so can peak at somewhere around 100w on a 50w system. So a 120w cab is right to give a bit of safety margin. (and probably has 4 30w speakers in as favoured by many guitarists) Brian _________________________ I pick up my guitar and play Just like yesterday Guitarist with The Silver Hoarde. Geriatric Metal for your weddings and wakes.
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