The 1650RT Royal Reverb is the flagship tube amplifier of the Supro line. This retro-modern masterpiece updates the mid 60’s classic with an all-tube feature set designed to deliver superior sonic flexibility and ample headroom along with enough stage volume to handle any gig.

The blue rhino hide tolex, compact physical dimensions and fundamental circuit topology are all derived from the original 2×10 Supro Royal Reverb combo amplifier. Like its vintage counterpart, the new Royal Reverb’s power tube tremolo comes after the reverb pan, lending an ethereal shake and wobble to the enveloping wash of tube-driven spring reverb.

Independent TREBLE and BASS controls in the preamp provide enhanced tonal control while our unique, 3-way switchable power scheme allows the musician to coax a wide variety of texture from the 6L6-fueled power amp. The 35-Watt Class A (Cathode Bias) and 45-Watt Class AB (Grid Bias) modes both deliver the more spongy character of the 5U4 tube rectifier while the 60-Watt Class AB mode makes use of a silicon rectifier to achieve faster transient response with maximum available headroom and volume.

The unique Class A / Class AB switchability of the Royal Reverb model effectively equips this amp with two distinct tremolo voices. Set to Class A mode, the tremolo is pure vintage Supro, with its distinctive asymmetrical rhythm and overall depth dependant on how hard the output tubes are being pushed. Set to Class AB mode, the tremolo gets much deeper, with greater symmetry and overall range of amplitude modulation.

The Supro Royal Reverb carries a long, six-spring reverb pan with all-tube reverb drive; recovery stages provide warm and smooth ‘verb that “surrounds the note.” From subtle ambience to massive splashing surf madness, the Royal Reverb lives up to its name in every way.

In an effort to recreate the musical glory of the original Supro amplifiers, we have partnered with Eminence to bring you a series of USA-made speakers unlike anything else available today. Using a recipe that includes an edge-wound voice coil, ceramic magnet and lightweight stiff paper cone, the custom speakers found in Supro amplifiers deliver vintage American (i.e. Jensen) tone, with far more power handling, superior efficiency and nice firm bottom.

Switchable Class-A (35 Watts) or Class-AB (45 / 60 Watts)
Independent BASS and TREBLE controls
All-tube reverb
Output-tube tremolo
Tube or Silicon Rectifier
6L6 power tubes
2×10 Supro CR10 speaker
5U4 Tube Rectifier
Blue Rhino Hide tolex
Assembled in NY, USA
Engineered by Bruce Zinky, Thomas Elliot and David Koltai
4x 12AX7
1x 12AT7
2x 5881 / 6L6
1x 5U4
23 5/8” x 16” x 10 1/2”
65 lbs

Year Condition Color Case
2015 Brand New Blue Rhino Hide None


Tommy's Guitar Shop
Tommy's Guitar Shop
Everett, WA
3:41 PM
Store Hours: Monday through Friday 10:00am - 7:00pm Saturday 10:00am - 6:00pm Pacific Standard Time. Closed Sunday. Tommy's Guitar Shop, 1911 Hewitt Ave, Everett Wa. 98201. Phone: 425-252-9252 email:

$$$$, Visa, M/C, Discover, AMEX, Cashiers Check, Money Order & Bank Wire. Paypal is also accepted, but requires approval from Tommy.

We ship WORLD WIDE. Buyer pays all shipping & insurance costs. NO C.O.D. shipments. WE ship via Fed EX or US Postal world wide. I inspect every piece of equipment prior to packing to assure quality and perfect working order when leaving our shop. I pack everything myself to the HIGHEST standards, for safe shipment any where in the WORLD.

Tommy's offers a 48 hour approval period for all shipped guitars, & effects. All shipping costs are the buyers responsibilty. All returned items paid by credit card are subject to 3% restocking fee. All returns require prior approval from Tommy. All shipped amplifier sales are final.