300 Tip: Turn Your Reverb Tank Upside Down!

  After many years the springs in a Reverb tank can sag, particularly the long 14″ tanks. This sagging actually changes the tone of the tank making the reverb tone a little dark and muddy. The sagging also adds to the “sproingy” sound and the reverb effect loses some of its “lushness”. There is an easy fix for this. First, remove the reverb tank from the bottom of your amp. You probably have to take off the lower back panel to do this. Usually the reverb tank is in a heavy vinyl bag to help reduce reverb feedback. Take the tank out of the bag, turn it upside down and slip it back into the vinyl bag. Now the springs are hanging in the opposite direction. After you make the flip just re-install the tank back in the bottom of your amp mount the back panel and you’re done! This is a very easy procedure but just remember to be careful in handling the tank.

There are many more free tips on the 300’s Tips Page here.

300Guitars Shop

My shop is located at 1 Executive Dr Unit L Toms River, NJ 08755 Please feel free to email me if you have any questions or are in need of some tech work.
  • Monday: 10am - 5pm
  • Tuesday: 10am - 5pm
  • Wednesday: Closed
  • Thursday: 10am - 5pm
  • Friday: 10am - 5pm
  • Saturday 10am - 2pm. (I am in every other Saturday).
I am also an Eminence, Mercury Magnetics, Mojo Musical Supply dealer. I do all the tech work myself so you deal directly with me. I am a one man shop and my hours can vary so please contact me to confirm that I will be open. Email me: billy@300guitars.com Call or text me: 848-218-0362 Shipping Info for all repair work: Please ship all repairs to: 1 Executive Dr Unit L Toms River, NJ 08755
I am currently offering all phases of guitar work which includes:
  • Set-ups
  • Fret dressing
  • Re-fretting
  • New hand cut custom bone nuts & saddles
  • Electronics work
And amplifier work which includes:
  • Basic maintenance
  • Bias adjustment
  • Repairs and restorations
  • Modifications
  • And more....
Testimonials:
David Nicholas - The 20watt amp is sounding fantastic! Delivered the goods at the gig and I'm finding cool tones all over the place with it. Love the cab w Emenince Tonkerlites too- perfect for my sounds! Makes the 12 string sound like a grand piano!
Peter Lacis - I had an audition for something recently that was all about Led Zeppelin I -- my custom Pennalizer BLEW THE MINDS of the guys I was playing with. They couldn't believe the sounds coming out of that amp. That album was never in my mind when I came up with the idea....so that's yet another testament to the amazing work that you do.
Scott Goldberg - I am very satisfied with the set-up, and the fast turn around.  With the "lower" action it feels easier to play.  I will definitely spread the word.

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