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Post by mcgriff420 on Oct 21, 2006 22:07:38 GMT -7
Hi all, I have a silverface Princeton Reverb with a 10" CTS, will there be any problems if I switch to a 12 without changing the baffle? I've heard of it being done but there was no follow up as to how it affected the speaker or tone. I have a few 12's around the house I can try; H30, vin30, JensenC12K2 (like a purple). I know I could just use an ex cab but I'm needing portability -hence the Princeton. Thanks. P.S. -The Doc ROCKS! I'm on my third Z!
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Post by mudskipper on Oct 22, 2006 6:14:07 GMT -7
i don't remember if all SF Princeton had glued in fron baffle or not. if it's a floating baffle, it's just a matter of swapping them out. if not, then you'd have to take the baffle out and make a new one. have you tried playing your amp through a 1x12 cab or something. that should tell you if you'd like the change or not.
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Post by Curt on Oct 22, 2006 7:44:54 GMT -7
I too have a SF Princeton Reverb, What a killer lil amp. I plan to get a new cab with a 12" baffle. I've played mine ran through a V-30 in my Z 1x12cab and it cooks . If your after volume increase most of the new Emi's are freakin' LOUD, stick one in (like a Tonker)and she'll hang with the big boy's. I also have a Z 10" speaker I want to put in the stock cab first and see if that add's enough volume. Curt
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Post by mcgriff420 on Oct 22, 2006 8:49:02 GMT -7
have either of you guys heard of installing a 12 without changing the baffle?
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Post by Curt on Oct 22, 2006 13:26:52 GMT -7
Well, you'd have to strip off the grill cloth, enlarge the cut out size, etc. You'll kill the value so I do not recommend that route. There are premade 12" baffle's available from several sources.
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Post by benttop (Steve) on Oct 22, 2006 13:46:36 GMT -7
I think he's talking about leaving the 10" hole as is, just shoot the sound through it from the 12" speaker. I think depending on the speaker, that might cause some issues. If the surround tries to move out past the mount on the speaker, it will run into the baffle. That wouldn't be good in my view - it could cause the speaker to fail prematurely, not to mention it wouldn't sound very good. At low volumes I doubt it would matter, but you'd be doing this to get more volume I assume.
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Post by mudskipper on Oct 22, 2006 14:34:08 GMT -7
have either of you guys heard of installing a 12 without changing the baffle? no. there will be screws sticking out and you'd have to cut those off or take the grill cloth off and take them out before putting the 12" speaker on the baffle, right? the surround might slap against the baffle but the cone would be moving a lot at that point but it certainly possible that this would happen. so the photos i have show floating baffles. if it's the case with yours, it's far easier to get another baffle with a cut-out for 12" speaker. floating baffle means that it's not glued on to the cabinet, btw, just in case if you are wondering.
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Post by billyguitar on Oct 22, 2006 18:26:34 GMT -7
That's what Mesa Boogies were at first. Hot rodded Princetons with a 12" speaker. If it's a glued in baffle I think it would be more trouble than just carrying an extension cab.
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Post by rcrecelius on Oct 23, 2006 10:57:45 GMT -7
Im thinking most Silverface are glued in baffles...
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Post by mudskipper on Oct 23, 2006 14:44:09 GMT -7
Im thinking most Silverface are glued in baffles... i think transitional 68/69 had floating baffle at least. i don't know how accurate those photos are but there are some at The Fender Field Guide site showing the baffle mounting screws in theback view photos. i just don't have a Princeton here to confirm it, though.
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Post by zdogma on Oct 24, 2006 6:33:06 GMT -7
I wouldn't put a 12 speaker in a 10 hole, it sort of defeats the purpose of the larger speaker.
As far as recutting the original baffle, i've seen it done with a brown princeton, they cut the original baffle with a 12 in hole and put in a weber blue. It worked (sort of) but there wasn't quite enough baffle remaining to get all the screws into wood, so the speaker wasn't very solid. Looked OK outside but terrible inside. He was trying to resell it as an "upgraded" princeton, for $1000, and no one was interested.
I think it can be done, but I would go to home depot and get a half sheet of 9 ply russian birch plywood and cut a new baffle. Keep the original intact (if you want to resell). Cost is about 15 bucks, and about 20 for a yard of silverface cloth to cover it. Really easy and looks just like new.
Better yet, get a cab custom built, as Curt suggested and tranfer the chassis (even easier to resell).
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Post by zdogma on Oct 24, 2006 6:48:59 GMT -7
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Post by billyguitar on Oct 24, 2006 7:26:44 GMT -7
Resale would be a problem. Everyone would beat you down unless you had the original baffle, grille cloth and speaker intact and ready to drop back in. I still think an extension cab is a better idea. You can still run the original 10" for sparkle.
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Post by mcgriff420 on Nov 26, 2006 16:42:13 GMT -7
Thanks for all the info Guy's! And to think this isn't even a fender forum! The new cab from Mojo seems like the best option considering my baffle is glued in. Now I need to decide which speaker to install. The Weber stuff looks really appealing but I have a few celestions around already. Suffice it to say I won't be putting a 12 on a 10" hole lol!
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