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Rev Jr Pro 50W Tube Guitar Amp Head

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The Krank Rev Jr. Pro is a small but powerful lower-wattage tube amplifier and one of the most popular guitar amps Krank makes. Expanding on the original Rev Jr., the versatile 50W amp is footswitch-r... Read More


The Krank Rev Jr. Pro is a small but powerful lower-wattage tube amplifier and one of the most popular guitar amps Krank makes. Expanding on the original Rev Jr., the versatile 50W amp is footswitch-ready and have the added features of treble and bass controls on the Kleen channel. The Rev Jr. Pro's circuit offers the raging high-gain sounds and delivers power when needed. Features include a 3-band EQ, parametric mid-sweep, gain, separate volumes for Krank and Kleen channel, boost button for more drive, active effects loop, Ohm selector, and voltage selector for worldwide use.

These Krank tube amps are excellent in the studio, and ideal for band rehearsal and club gigging. The matching 1X12 cabs and great for practice as well as in the studio, giving you great separation without the phasing that can accompany miking a 4X12.

Check the drop-down menu to the right to select colors and/or other options.

  • Two channel
  • Preamp: three 12AX7 tubes
  • Power section: two Sovtek 5881 tubes
  • Krank channel: sweep control, 3-band EQ, gain, master,
  • Kleen channel: volume, 2-band EQ
  • Active effects loop, 8 and 16 Ohm selector
  • Customer Reviews


by PowerReviews

(based on 2 reviews)

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Reviewed by 2 customers

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(3 of 3 customers found this review helpful)


Small size, big tone

By Benson

from Hammond, IN

For being such a small amp in physical size, the Krank Rev Jr 50 watt amp lets out some big tone. It's easily one of the most portable tube heads on the market nowadays, which is very convenient for players who don't want to break their backs carrying amp heads in and out of gigs every night. The Krank channel is pure metal heaven, rich with gain and versatile with the 3-band EQ and the mid-sweep. The sweep is a very convenient control, giving you the ability to go from ballsy scooped crunch to a thick midrange grind at the turn of a knob. The Kleen channel unfortunately leaves a little more to be desired, with only a 2-band EQ. That's not to say it can't give a nice clean sound, just don't expect Fender Twin kind of sparkle. The Ohm selector and voltage selector are very nice for ever-changing gig locations and for keeping power issues under control in practice spaces. Imagine stepping on stage with an adorable little stack, maybe 3 feet tall, with one of these as the head, and watching how people first react at how little it is. By the end of the night, with the tone and power you're putting out of this bad boy, those first reactions will take a complete 180. Of course, it may not be for everyone, but if you like heavy distortion without the heavy weight, check into this. You'll be surprised. NOTE: If you can, get the footswitch with it as well; it's a huge help for live applications.

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(1 of 1 customers found this review helpful)


small amp big sound

By Gary

from Strafford

Trust me this amp may look small but it rips and it gets loud. This is a Great amp if you don't have the space for a half stack but need to be able to keep up with a drummer at practice or club gig. It's also very flexible covering anything from classic rock plexi type tones to high gain shred, very cool amp.

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