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Fender Rumble Club

With two 8 Ohm cabs and the switch set to 4/8 Ohms, the amp sees a 4 Ohm load and provides all 800 Watts. Similarly, with two 4 Ohm cabs and switch set to 2 Ohms, the amp will also provide 800 Watts. If you wanted more volume you could use four 8 Ohm cabs, having the switch set to 2 Ohms you’d once again get 800 Watts, but this time from FOUR cabs. This would be louder. If this is the direction you want to go, you might consider getting two Rumble 4x10 cabs. I hardly think you’d need more than that for a while. Of course four of 2x10 would be more modular or flexible, but would cost twice as much as two 4x10s.
It’s just never been one of those things my mind jives with.
 
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Or just get some of these bad boys. Almost the sound of playing with your fingers but with a pick. I'm gonna try to make some at some point with felt sheets and glue.

It’s probably the universe telling you to play fingerstyle. :roflmao:
 

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I use the large felt ukulele picks when I play with a pick. They're great -- soft sound, and their pliability makes it easy to play right through the string when picking fast.
They're awesome. Also overlooked are the banjo thumb picks. I use those for a sorta chicken picking/slap technique for when I don't need the aggressiveness of an actual slap. I can get some really sweet rakes in too. It translates well for a fast metal style.
 
I do have some banjo picks, but haven't used 'em on bass -- I'll hafta give it a try.
You absolutely gotta try. It takes some getting used to since you can't up-pick so much unless you find one that fits snug enough without cutting off blood to your thumbtip. I first started trying as a good years ago. I comfortably use it now while alternate picking with index and middle. I consider it my personal protest against slap being so commonplace nowadays.

The only other bass player I've seen use thumbpicks was recently when I came across a video of Captain Bee Farts or Beefheart or something.
 
Will do. Thanks for the tip. And I haven't thought about Captain Beefheart in decades. A blast from the past...
Oh, it is Beefheart? I was hoping it was Bee Fart. I did Amateur bee keeping years ago and the cutest thing you'll ever head is when a bee lands on your shoulder and poots. It's the softest little "pffft". I think it's one of the many ways they communicate. I dunno.
 
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I spy a few of the older black Rumble 410 cabinets (I believe this is V2?) on the used market and am thinking about scooping one up. Quick question for anyone who knows the answer... are all the 410s in that generation 4-ohm cabinets? Or did they make both 8 and 4 ohm versions?

Edit: adding a photo for reference
 
So maybe I don’t have much constructive or controversial to say about the Rumbles. But this rumble 100 has been my sole gigging amp for two years now and it’s been completely awesome. Sure there’s been a couple gigs where I wish I had a bit more volume, but for the most part I’ve been completely happy with this little amp.
A couple months ago I upgraded the speaker with an Eminence Beta 12a along with some acoustic foam and it was a great upgrade.
My wife just stitched the custom grill cloth this morning and I couldn’t be happier.

View attachment 3720009
OK, somebody has to ask.

What's actually in the Pentax 'pedal"?

And should I do that with one of my old Olympus camera bodies (I've got a big old broken zoom lens I could put on it, too)?
 
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Hi, joel. Welcome to the Rumble Club. :) You're in the right place to talk about Rumbles.
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... ... I just picked up a Rumble 800 Amp. Really like this thing so far. .... It has a switch for different impedence options. ... i have two 8 ohm ... cabs. ... ... if going with two cabinets that 4 ohms is the most efficient and gets the most bang for the buck. It allows the switch to be set at 2 ohm and thus get higher wattage output. Am I understanding this correctly?
View attachment 3719750


We-e-ell, there's a whole lot more to electrical "efficiency" than just speaker cab impedance. :woot: In general, the lower the total impedance load, the more power is "drawn" from an amp, up to a point of diminishing returns. But, too many cabs makes too low an impedance and can burn up the amp! So, most amps are designed for safe operation in a fairly narrow range of impedance load, usually just 8 to 4 ohms. But, the Rumble 800 can also operate safely at 2 ohms, but at no greater power rating than at 4 ohms. So, the big jump in power output is from 400W at 8 ohms to 800W at 4 ohms. There's no significant power jump from 4 ohms to 2 ohms, still "just" 800W. But there can be a significant jump in sound pressure level, which feels louder, by adding more speakers, and thus reducing impedance. Clear as mud? :confused: It gets worse ...
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Maybe I wasn't clear. ... ... My understanding is that with two 8ohm cabs I am getting 400 watts.


We-e-ell, with two 8 ohm cabs you can get up to 400W per cab! 'Cause two 8 ohm cabs gives a total impedance of 4 ohms. (The basic conundrum! o_O) And the Rumble 800 can then output up to 800W, which is split into 400W per cab. But, just to keep it confusing, four 8 ohm cabs gives a total impedance of 2 ohms, but the Rumble 800 still outputs "just" 800W, which is then split into just 200W per cab. Yeah, not at all intuitive! Physics! Go phygure! :woot:
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Thanks for you help and making me feel stupid. Much appreciated.


No need to feel stupid, and please don't be offended. I think music and electrical science are as opposite as any other two right-brain/left-brain subjects that exist! :bored:
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It’s just never been one of those things my mind jives with.


Don't feel like the Lone Ranger, there, kimo sabe. You and probably 90% of all musicians, if they're honest. That's why we need to help each other in forums and "clubs" like this. Those of us more experienced try to help those with less experience. Then, when you're the more experienced, you help others. You said you've never used an impedance switch before. Someday you can help someone else in that same situation. ;)

joel, show us a photo of your Rumble 800 and you'll get an official Rumble Club membership number and enjoy all the perqs and privileges thereof! :thumbsup:
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Hi, joel. Welcome to the Rumble Club. :) You're in the right place to talk about Rumbles.
.



We-e-ell, there's a whole lot more to electrical "efficiency" than just speaker cab impedance. :woot: In general, the lower the total impedance load, the more power is "drawn" from an amp, up to a point of diminishing returns. But, too many cabs makes too low an impedance and can burn up the amp! So, most amps are designed for safe operation in a fairly narrow range of impedance load, usually just 8 to 4 ohms. But, the Rumble 800 can also operate safely at 2 ohms, but at no greater power rating than at 4 ohms. So, the big jump in power output is from 400W at 8 ohms to 800W at 4 ohms. There's no significant power jump from 4 ohms to 2 ohms, still "just" 800W. But there can be a significant jump in sound pressure level, which feels louder, by adding more speakers, and thus reducing impedance. Clear as mud? :confused: It gets worse ...
.



We-e-ell, with two 8 ohm cabs you can get up to 400W per cab! 'Cause two 8 ohm cabs gives a total impedance of 4 ohms. (The basic conundrum! o_O) And the Rumble 800 can then output up to 800W, which is split into 400W per cab. But, just to keep it confusing, four 8 ohm cabs gives a total impedance of 2 ohms, but the Rumble 800 still outputs "just" 800W, which is then split into just 200W per cab. Yeah, not at all intuitive! Physics! Go phygure! :woot:
.



No need to feel stupid, and please don't be offended. I think music and electrical science are as opposite as any other two right-brain/left-brain subjects that exist! :bored:
.



Don't feel like the Lone Ranger, there, kimo sabe. You and probably 90% of all musicians, if they're honest. That's why we need to help each other in forums and "clubs" like this. Those of us more experienced try to help those with less experience. Then, when you're the more experienced, you help others. You said you've never used an impedance switch before. Someday you can help someone else in that same situation. ;)

joel, show us a photo of your Rumble 800 and you'll get an official Rumble Club membership number and enjoy all the perqs and privileges thereof! :thumbsup:
.
Thanks. GREAT info!
Yes, I've had several heads over the years. GK, Hartke, Eden, Trace. I've always tried to follow the basics on impedance, but struggle with the deeper aspects. Your post helped a bunch.
 
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Hi, joel. Welcome to the Rumble Club. :) You're in the right place to talk about Rumbles.
.



We-e-ell, there's a whole lot more to electrical "efficiency" than just speaker cab impedance. :woot: In general, the lower the total impedance load, the more power is "drawn" from an amp, up to a point of diminishing returns. But, too many cabs makes too low an impedance and can burn up the amp! So, most amps are designed for safe operation in a fairly narrow range of impedance load, usually just 8 to 4 ohms. But, the Rumble 800 can also operate safely at 2 ohms, but at no greater power rating than at 4 ohms. So, the big jump in power output is from 400W at 8 ohms to 800W at 4 ohms. There's no significant power jump from 4 ohms to 2 ohms, still "just" 800W. But there can be a significant jump in sound pressure level, which feels louder, by adding more speakers, and thus reducing impedance. Clear as mud? :confused: It gets worse ...
.



We-e-ell, with two 8 ohm cabs you can get up to 400W per cab! 'Cause two 8 ohm cabs gives a total impedance of 4 ohms. (The basic conundrum! o_O) And the Rumble 800 can then output up to 800W, which is split into 400W per cab. But, just to keep it confusing, four 8 ohm cabs gives a total impedance of 2 ohms, but the Rumble 800 still outputs "just" 800W, which is then split into just 200W per cab. Yeah, not at all intuitive! Physics! Go phygure! :woot:
.



No need to feel stupid, and please don't be offended. I think music and electrical science are as opposite as any other two right-brain/left-brain subjects that exist! :bored:
.



Don't feel like the Lone Ranger, there, kimo sabe. You and probably 90% of all musicians, if they're honest. That's why we need to help each other in forums and "clubs" like this. Those of us more experienced try to help those with less experience. Then, when you're the more experienced, you help others. You said you've never used an impedance switch before. Someday you can help someone else in that same situation. ;)

joel, show us a photo of your Rumble 800 and you'll get an official Rumble Club membership number and enjoy all the perqs and privileges thereof! :thumbsup:
.
I still don't know why 2x 8 Ohms=4 Ohms. I've given up all attempts to understand the equation and just accept it as "fact"(?).:confused::wacky:
 
I still don't know why 2x 8 Ohms=4 Ohms. I've given up all attempts to understand the equation and just accept it as "fact"(?).:confused::wacky:

When you put two of the same impedences in parallel, half of the current goes through one, and half goes through the other. So effectively you halve the impedance.
I can go into more detail if you (or anyone) wants, but that's the simple version.
 
I recently purchased a new fender rumble 800 hd and rumble 410 cab and have noticed a constant buzz through the speakers and will only go away when I turn the tone knob off on my bass. Its not the bass or cable. Happens using my Aerodyne and Mustang and different cables. Tried plugging into a different outlet and switched plug strips and no luck. I am a novice when it comes to gear. No change when pressing ground button on or off. Any suggestions?
 
To clarify, the "Open mic/Jam" is exactly that. A couple of people as the nucleus and then whoever. My BIL shot those on his phone then had to leave. So we got what he shot. The gray haired guitarist to the right is(was) the BL.
Jam no longer exists, TFN.

How did you enjoy that? Trying to talk my bandmates into doing one in the Minneapolis area. I think it'd be fun.
 

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