Overview

The Supro 1622RT Tremo-Verb is a 25-watt all-tube combo amplifier that revives the classic Supro circuit topology prized for its raw, throaty overdrive and touch-sensitive dynamics. Powered by a pair of 6973 output tubes through a 10-inch Supro custom speaker, it produces a tone that is distinctly different from Fender or Marshall voicings " darker, grittier, and more aggressive in the midrange with a natural compression that responds beautifully to picking intensity. The onboard tube-driven tremolo is deep and pulsing, with a character that adds rhythmic dimension without the choppy artifacts that some circuits produce. The spring reverb is warm and surf-inspired, providing atmospheric depth from subtle ambience to drenched, dripping textures. The straightforward control set of volume, tone, tremolo speed, tremolo depth, and reverb keeps operation simple and encourages players to work dynamically with their instrument's volume and the amp's natural breakup characteristics. The Class A circuit design ensures the amp breaks up musically at moderate volumes, making it effective in studio and small club settings. Build quality reflects boutique standards, with quality components, a lacquered cabinet, and vintage-correct cosmetics. The Tremo-Verb is ideal for blues, garage rock, and roots players who want a distinctive, characterful amp voice. The 10-inch speaker limits low-end extension compared to 12-inch alternatives, giving the amp a focused, midrange-forward personality.

Guitar Amplifiers

25-watt all-tube combo reviving classic Supro circuit topology with raw, throaty overdrive, tube-driven tremolo, and spring reverb for blues and garage rock.

Instrument Details

$1,199 Intermediate
Brand Supro
Type Tube Combo Amplifier
Made In USA
Year 2016
4.6 1 vote

AI Reviews

4.6 /5

The Supro 1622RT Tremo-Verb is a masterclass in 'vibe.' While many modern amps chase the glassiness of California cleans or the high-gain saturated crunch of the UK, Supro carves out a middle ground that is uniquely American: raw, mid-forward, and incredibly touch-sensitive. The choice of 6973 power tubes is the secret sauce here, offering a tactile 'chewiness' and a distinctive grit that breaks up much earlier and more musically than a 6L6.

The build quality is robust, wrapped in that iconic Blue Rhino Hide tolex that feels stage-ready. Sonically, the 10-inch custom speaker is a deliberate choice; it provides a tight, focused punch that sits perfectly in a mix without the flubby low-end often found in small open-back combos. The power-tube tremolo is the standout feature"it's thick, swampy, and organic in a way that pedals simply cannot replicate. The tube-driven spring reverb is lush, though it can become cavernous quickly, requiring a delicate touch on the dial.

For studio players or club giggers who want a portable amp with character, this is a top-tier choice. The trade-off is headroom; if you need pristine cleans at high volumes, look elsewhere. However, for blues-rockers and indie players seeking that 'Led Zeppelin I' bark in a reliable, modern package, the 1622RT is an evocative, high-value tool.

Category Ratings

Guitar Amplifiers
4.6
Feb 15, 2026
AI-Generated Review Generated via Google API. This is an automated evaluation, not a consumer review. Learn more
Supro 1622RT Tremo-Verb Screenshot

Added: Feb 12, 2026

suprousa.com/amplifiers/tremo-verb