I’ve really outdone myself this time.

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Fender rumble 40 ratchet strapped to a pack rack powered by a Milwaukee top off.

Mobile battery powered bass rig / speaker system.

I spent two hours last night jamming on the gravel bar looking for agates. I was shocked to find that the Milwaukee M18 battery still displayed full battery when I checked it’s charge afterwards.

All in all, it’s a very cheap solution for a battery powered bass amp.

Around 400 dollars total if you’ve already got Milwaukee batteries laying around.

I’m very curious to find out how long it will run off of a single charged battery.

in BassGuitarby budabai

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InTheMemeStream

I gotta respect the commitment to practice even when participating in a completely unrelated outdoor activity.

budabai

I was mainly hoping it would help lure the agates out of their hiding places.

I’m half convinced that I only found this one because it’s a fan of bass improvisation.

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[deleted]

my back hurts just looking at this. cool setup tho, i'm glad that it works for you!

budabai

Thankfully the amp is only 18 pounds.

The pack rack is really comfy.

The shoulder straps are well padded, it’s got a buckle that goes around your waist, and the straps clip together on the chest.

It forces you to maintain good posture when it’s fit snugly.

Itmesamul

Thank God for the Rumble Series. I believe that is the 40. I have the 25 myself, and it's been great for what I need. Love the lightweight design.

boring_old_dad

How long that battery last on full charge?

budabai

I’ve yet to run one dead while using it to power my amp.

I used it for two hours last night and the battery still displayed full charge when I was done. (Four out of four lights on the display were illuminated)

I assume that means it was still above 75% capacity.

boring_old_dad

That's awesome I'm getting one

budabai

I found this bundle deal.

I didn’t know you could buy the inverter and battery as a package deal.

Way cheaper than buying the top off and battery separately.

You will still need to buy a charger for the battery, but they’re very cheap.

Edit: you may want to do a little bit of research to make sure the amp that you plan on using isn’t pulling too much juice.

boring_old_dad

Yeup saw that too! I use a trace elliot ELF and headphones so the entire thing can fit in a pack.

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Grouchy_Situation_33

THERE ARE FOUR LIGHTS!

EricRShelton

That is silly and a complete waste a of time. I love it and want to do it now!

Opening-Paramedic723

Bass guitarists; now ruining the outdoors as well ❤️🎸👍

Valuable_Solid_3538

You brought your bass to play for the bass? Do bass like bass?

ds2925

Bears, Beets, Battlestar Galactica

I can hear this gif.

Wow! I really want to try this. I'm looking online for that power supply right now.

budabai

Milwaukee top off is what you’re looking for, they retail for around 100$. They don’t come with a battery.

Best bang for your buck would be to buy a Milwaukee tool that you may need, they usually come with one or two batteries and a charger as part of the package.

Once or twice a year, Milwaukee will host “Milwaukee days” events at certified retailers. I try to avoid buying new tools outside of these sales events, the price cuts are unreal.

I’ve used it many times to run my rumble 40 at camp out jam sessions.

I wish I had this thing 15 years ago… I’ve always wished I could play bass around a campfire. Acoustic basses just don’t cut it.

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Busy-Growth-508

That's awesome! Good tip buying a tool for batteries separate, too. I'd love to take my amp outside somewhere. Thanks!!!

BigBoyRoyN

How long does the battery work for your amp?

ClimateAncient6647

Picked a good amp though. Those are really really light if I remember correctly.

budabai

18 lbs.

I love the amp, can’t beat it for a living room practice amp.

TheJohnCandyValley

10/10 Death Stranding cosplay

budabai

Hahahaha.

Having a few amps stacked on the pack rack would be pretty fucking cool.

I’ve got to somehow incorporate a cup holder into this setup.

TheJohnCandyValley

A couple more amps and a BB pod pickup mod

User deleted comment

budabai

Milwaukee top off.

It attaches to the battery.

It has a wall outlet, usb, and usb-c port.

I bought it during a power outage a year ago, now I rarely leave the house without it.

I sometimes use it to power a hot plate to heat up canned soups for lunch at work.

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Repulsive_Tie_7941

The “tool” on the battery is an inverter. Now to look for an equivalent Dewalt.

Scrimshander54

I feel like playing with that strapped to my back would make me nervous as I may never want to play any other way.

W_J_B68

Guys on the beach in Mexico do something similar.

Slappathebassmon

Now they can't run away when the bass solo starts!

Stone_Midi

All that’s left to do is go play to some cows in a field. I love watching cows enjoy music

TheBlargshaggen

I've thought about this type of idea a lot. I have the exact same milwaukee battery outlet. How long did it last?

OmnipresentBananas

I have so many Craftsman v20s, I’m doing this. Do you think you could power a pedalboard at the same time?

proxy_noob

one man band.

douglasgage

Boss

OneTwothpick

I've been looking for a pack to carry my amp, too! What is it??

budabai

I’m not sure of the brand.

Just some hiking pack that I bought at Bi-mart for 60 dollars.

PilotPatient6397

Bass tones carry, and across water, those people across the water will think you are in their back yardemote:free_emotes_pack:smile

TreeHuggingDad

This is why I have an acoustic.

budabai

Fair point.

But how do you intend on annoying people a hundred yards away? Isn’t that the most important part?

I joke.

I generally use this setup without the pack rack when camping with friends. It’s really nice when the people you’re jamming with can actually hear you.

TreeHuggingDad

Touché!

SnoopDoggyDoggsCat

Yes dude 🤘

lardass17

Free Metal needs to hit the road

AthenaAlter

Wait till op hears about portable mini amps

YuriZmey

Who you gonna call? Toan-busters!

killertofu41

I remember from my time owning one of those Fender Rumbles they are surprisingly light so OP's back should still be fine.