Supro S6420+ Thunderbolt Plus 1x15 Tube Amp 3 Way Rectifier with Free Cover

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Supro S6420+ Thunderbolt Plus 1x15 Tube Amp 3 Way Rectifier with Free Cover

Availability: In stock

35 - 60 Watts with free Cover


Free Cover Included
The Supro Thunderbolt Plus amplifier adds switchable power amp topology to the legendary 1964 Supro Thunderbolt, giving you the original 35-Watt “Class A” Cathode bias sound as well as beefy 45-Watt and 60-Watt Grid bias modes for additional headroom and tonal variation. This unique design is implemented via a three-way selector switch on the front panel.
Normal and Extra-hot input options, combined with a wide range of available gain on tap, allow you to fine-tune the texture and response of this amp’s massive sound. Turned all the way up, the Thunderbolt exhibits nearly zero self-noise, yet it puts out enough volume to be easily heard on large venue and theatre stages, with overdrive completely controlled by the guitar’s volume knob. The 35-Watt and 45-Watt modes both deliver the sag and bluster of the 5U4 tube rectifier while the 60-Watt mode uses a silicon rectifier to unleash maximum Thunderbolt power. The 60-Watt mode’s faster transient response and ample headroom is wonderful for pedals, and brings the Supro sound loud and clear to any size venue.
Massive custom transformers and lightweight, vintage-correct cabinetry—combined with the best sounding 15” guitar speaker money can buy—put the Thunderbolt in a class of its own. With the amp turned all the way up, chords ring with exceptional clarity and definition amidst copious amounts of tube overdrive and output-stage saturation. The variable power switching found in the Thunderbolt Plus model is an over-the-top hot-rod custom luxury guitar experience, decadently brought to you by Bruce Zinky and Dave Koltai.


• Unique Switchable Wattage
• 35-Watts ‘Class A’ w/ Tube Rectifier
• 45-Watts ‘Class AB’ w/ Tube Rectifier
• 60-Watts ‘Class AB’ w/ Silicon Rectifier
• All-tube Supro circuit
• Normal and Hot inputs
• 35 Watts ‘Class A’ 6L6 power
• 1 × 15" Supro TB15 speaker
• 5U4 Tube Rectifier
• 2 x 12AX7EH
• 2 x 5881 / 6L6WGC
• 1 x 5U4GB
• Vintage design by Valco
• Blue rhino hide tolex
• 23 5/8" x 19" x 10 1/2"
• 45 lbs
Additional Information

Additional Information

Model S6420+
Power (W) 60 Watts

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