Using a 2x10" cabinet with a Rumble 75
I have a Fender Rumble 75 and it seems so "peaky" that the cabinet (or speaker?) rattles & buzzes are driving me nuts.
I'm considering pulling the chassis out and building a box for it to use with one of these.
Has anyone used these cabinets or other cabs from them?
This is for use as a practice amp. I find myself using my Fender Frontman 25R Guitar amp more than the Rumble. It is flat and clean at low volume of course.
Thanks for any advice.
I'll bump this once.
Fender Rumble 75 Upgrade
Yes, you sure could! It's an 8 ohms match. The Rumble 75 is designed for an 8 ohm load. All you'd have to do is instal a 1/4" speaker output jack and you'd be good to go.
Another option is to upgrade your combo like I did. About $150 vs $200. I have no doubt whatsoever that the Eminence Basslite Neo S2012 sounds better.
I got the Sonic Barrier from Parts Express
I think that the 1/2" foam is all that is needed, and that the thicker composit is just overkill. Also please note that the self-adhesive is very aggressive, so aim/place accurately the first time. It worked well on the 1/2", but some additional glue (some Elmer's carpenter's wood glue that I had on hand) was required to affix the heavier/thicker foam to the MDF. You'll need three sheets to do the back and sides. I had enough to do the top/ceiling also. While that's really unnecessary, I did it anyway. You could get away with just lining the back only. Your choice.
They also have Eminence Basslite S2012's at a good price. ;)
Thanks guys. Good info. My gut says lining the cab should help.
I have played my Rumble 75 at volume 10 and not only did I not get any cabinet noises, but I didn't get any sound distortion either. It's a really great amp!
Fender Rumble Club
If you fine Fender Rumble owners aren't already members, let me extend a warm invitation to join The Fender Rumble Club. :D
I removed the grill and speaker. A few observations:
1. The cabinet seems well-glued. No apparent cracks or bad joints. The case is particle board and not MDF. Not necessarily a problem.
2. The speaker itself shows no signs of voice coil rubbing.
3. The terminal strip that the speaker leads attach to is very loose. Glued it to the basket with super glue.
4. There is effectively no gasket on the back of the speaker. Only a paper-thin 2-sided tape. Not stuck very well to the baffle if it is supposed to be.
5. No lock washers on the 8 screws that attach the speaker to the baffle. They were tight enough though.
6. I applied thin super glue to the tee-nuts to help keep them from pushing out of the particle board at reinstallation of the speaker.
7. No foam of fiber glass insulation.
i cheaped out at bought fiber glass insulation at the Home Depot. I'll put it back together tomorrow after lining and/or stuffing the cabinet with insulation. I'm going to install the stock speaker with silicone sealant. It is possible that the rattle was the speaker against the baffle. If I opt for the basslite speaker, I will be able to remove the stock speaker and scrape it off.
I actually used the amp yesterday with my new Squier VM 70 J-bass w/ Rotosound flats yesterday and kept the volume at 9:00. Bass and low mod at 1:00 and hi mid and treble at 12:00. I used input 2 which is really meant for an active bass. I gotta say the tone is great. But it was anything but loud for our small living room. No rattles at that level. Using the normal input is enough to get the rattles going. I'll report back after the silicone cures and I try it. Obviously the thread title is wrong now.
If this minor rework doesn't improve things, I may opt for a 2 x 10 cabinet that I can actually try at GC or Sam Ash. Buying the Seismic cab without testing scares me. Thanks for the comments.
I'll ask for a club number only after I decide to keep it.
I have and gig with a Seismic 210. I use it with either a GK MB200 (140W into 8 ohms) or a GK MB Fusion 500 (350W into 8 ohms). It sounds great with either head and gets plenty loud. That being said..
It's not the most efficient cabinet, nor the most durable. Like your Rumble 75, it's built on the cheap..except without tolex and t-nuts for the speaker. I will say that it has survived a year and a half of gigging and practices so far.
Well something I did made a huge improvement. Not sure which. I stuffed the cabinet with a couple of 16 x 48 x 2" bats of unfaced fiberglass insulation. And I made a rear gasket for the speaker attached to the back of the basket with silicone. Viola. Now I here things rattling in the room but nothing but bass coming from the amp. And it just sounds less peaking. No big change in volume at different notes. G# was particularly bad. And this is at a volume level higher with more bass boost than I need for playing along with the stereo. Since I'm not gigging, this will do it, at least for now.
Going to ask for a number in the rumble club!
And welcome to the club
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