Monoprice Stage Right 611815 - 15-Watt 112 Tube Combo Guitar Amp


93 out of 100. Incorporating 1550+ ratings and reviews.

Street Price: 

Monoprice 611815 - 15-Watt 112 Tube Combo Guitar Amp

Gearank High Notes

Monoprice Stage Right 611815: Highest Rated Combo Tube Amp Under $500 - 2022.08

Gearank Recommended

The Stage Right 611815 first appeared on our recommended list for Tube Amps in November 2019 and it has remained in every edition we've since published.

It was also our budget recommendation for Low Watt Tube Amps from February through August 2022.

It also went on our Guitar Amps Under $300 list in April 2020 where it is today.

Rating Source Highlights

Website Source *Rating Value
Festival Peak Christian A. Pfeiffer 88/100
YouTube 60 Cycle Hum 97/100
*Displayed values are prior to the Gearank Algorithm's adjustments it makes when evaluating the source.


Monoprice is a brand that carries a line of affordable tube amps, with specs that give the competition a run for their money.

The 611815 is an excellent specimen from their lineup, a 1x12 combo tube amp with a Celestion Red Truvox 1215 speaker, a big step up compared to the usual generic speakers used in similarly priced amps.

It doesn't skimp on tube components either, with three ECC83/12AX7 preamp tubes, and two EL84 poweramp tubes. For the price, it also comes with more controls, including tone and 3-band EQ.

15-Watts can still be quite loud, especially when considering its tube setup and 12" speaker. Thankfully, it comes with an attenuator switch that lets you lower the power rating to just 1-Watt, allowing for crank tones at room friendly volume levels.

Other features include built-in reverb and FX loop.

When it comes to value for money, the Monoprice 611815 is the low-watt tube amp to beat. Highly recommended for those working with budget constraints.


  • Power Rating: 15-Watts (Switchable to 1-Watt)
  • Preamp Tube(s): 3 x ECC83/12AX7
  • Poweramp Tube(s): 2 x EL84
  • Speaker: 1x12” Celestion Red Truvox 1215
  • Cabinet: Rear Ported
  • Controls: Gain, Volume, Tone, Bass, Middle, Treble, Reverb, 15W/1W Switch
  • Input(s): Normal, FX Return
  • Output(s): FX Send/Line Out, External Speaker
  • Weight: 31.6 lbs
  • Suitable for: Clean, Blues, Rock


For more affordable amps, check out our Best Cheap Guitar Amps Guide.