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Discussion in 'Cabinets & Speakers' started by hi13ts1, Apr 22, 2018.
Not my style of music, but that sounds damn good!!!
That would be my main concern. However, with frequencies up above 150hz, I'm sure the excursion on the cone is minimal at best, even at high volumes.
Best practice would be to cut out the proper diameter opening.
Yes, or another workaround could be to find something to stand off the speaker say 2-3mm back from the baffle. Thick felt or closed-cell foam might do it.
Might not be a problem at all though depending on the speaker.
There's a whole upper echelon of physics that comes into play with wave propagation through a port like that. My suggestion would to just open up the baffle to accomodate the larger speaker.
..or get the head version and a 1x12 cab.
Hello I received mine yesterday. Wonderful tone. Immediately I thought about the chance to set a 12" inch speaker in it.
Thanks for the post.
Did you made a video or that?
Hello guys. New here. I put a 12" inch cannabis rex on mine 16" ohm. Just to see what happened I connected the speaker into the output for 8 ohm and it sounds better for me. Why???
Do I have to get the 8 ohm speaker instead 16? Thanks!
Great job with the cannabis Rex !
Is it so tight with Celestion speakers ?
Do you think a Neo Creamback can fit this enclosure ?
My 12" swap using 1/2" birch ply. Totally transformed the amp. New JJ tubes helped too. Ill describe the changes and tone after I load the pics.
End of photos
I'm interested to Marshall origin 20c, but I want to change the speaker me too , with a 12 speaker greenback, I'm not a expert on such jobs , it's necessary to disassemble the tubes to install a 12 speaker? I'd like some indication on how to act, I'd be grateful.
Hi there...new at the forum and very interested in adding a Celestion V30 to the 20 Origin...what about swapping the speaker from the outside laying the wood -like the uploaded image shows- and adding the tolex/pipe to a frame to avoid the tolex touching the speaker? It´d make the deep of the speaker win a few inches...what you think??
Hi @Marmite. Welcome to the MF (Love/Hate your username BTW )
Nice first post!
I am not sure if the V30 frame and magnet are any larger than other Celestion 12" speakers, but your idea could make fitting a 12" speaker easier if internal space is tight or tubes are in the way.
If you are any good at installing the Grille Cloth (you said Tolex?) you should be OK with your plan.
Tolex is the 'elephant skin' textured coating on the combo cab.
The speaker will need a gasket between the back of the frame surround and the baffle.
I would make the Grille frame removable, using Velcro to secure it, and don't forget a 'Pull Tab' to peel it off again.
I'd like to replace the speaker me too , with a greenback g12, you say so i know could replace the front, removing the grill.
Thanks SkyMonkey...and also thanks for the correction grill/tolex!!...BTW I´m from Spain and always seemed funny to me the Marmite´s love/hate relationship of all my english friends.....
I used to have a Tech 21 Power Engine and it has the grill cloth in a frame with a velcro...that´s why I thought about it...it could be a nice solution....
I won't hold that against you.
BTW I am in the Hate camp.
Marmite is 'The Devil's Smegma'.
Sorry. Apparently there is no 'e' in Grill Cloth.