

An Homage to a Classic
The Doctor's Special Rx Custom Clean is our take on the beloved Dumble© Steel String Singer amplifier in a half-powered (50W), light-weight (35 lbs.), and portable package. The Doctor's Special stays true to it's D-style inspiration while making tweaks and mods for the modern guitarist, optimizing it for the ultimate clean pedal platform.
The Doctor's Special RX Custom Clean
The Doctor's Special RX Custom Clean
6- to 8-week lead time
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50 Watts of Steel String Singing Tone
If you like clean, high-fidelity tone, and a D-style amp you can actually gig with, the Vertex Effects Doctor's Special is the 'pride and joy' you're looking for! Its dynamic response and near-endless sustain are not unlike the legendary tube amp that inspired it. And like that amp, this is ... Read More
If you like clean, high-fidelity tone, and a D-style amp you can actually gig with, the Vertex Effects Doctor's Special is the 'pride and joy' you're looking for! Its dynamic response and near-endless sustain are not unlike the legendary tube amp that inspired it. And like that amp, this is the perfect clean pedal platform.

A "Texas Flood" of Guitar Tone
Particular attention was paid to the sweep of the Treble, Middle & Bass EQ to ensure that each player had complete control of boosting or cutting frequencies to accentuate any guitar or pedal in front of the Amplifier. Not to mention the countless revisions of cabinetry specifically chosen to produce ... Read More
Particular attention was paid to the sweep of the Treble, Middle & Bass EQ to ensure that each player had complete control of boosting or cutting frequencies to accentuate any guitar or pedal in front of the Amplifier. Not to mention the countless revisions of cabinetry specifically chosen to produce a more transparent tone from a 50-watt combo amp. The Amplifier has been tuned and treated like an acoustic instrument for optimal resonance and tonal purity.

Behind The Doctor's Special RX Custom Clean
It is a hand-wired tube combo amplifier loaded with four 12AX7A preamp tubes, one 12AT7 tube (reverb), and two 6L6GC power tubes. The Doctor's Special features the industry's best, "MOD" Spring Reverb (with send and return controls), a Celestion G12-65 speaker, and much more! These components have resulted in a ... Read More
It is a hand-wired tube combo amplifier loaded with four 12AX7A preamp tubes, one 12AT7 tube (reverb), and two 6L6GC power tubes. The Doctor's Special features the industry's best, "MOD" Spring Reverb (with send and return controls), a Celestion G12-65 speaker, and much more! These components have resulted in a Hi-Fi yet highly approachable and playable amplifier. Its compressed yet open personality offers players a dynamic response and clean feedback, ensuring near-endless sustain without added harmonic saturation.

Checkout the Rig Doctor’s Patient Roster
From the biggest stages to the deepest studio sessions, The Rig Doctor is trusted by some of the world’s most respected touring and session guitarists. We’ve had the honor of fine-tuning rigs for players who demand flawless tone, bulletproof reliability, and zero compromises. These aren’t just clients — they’re pros who know that great tone is medicine, and The Rig Doctor delivers the cure.









Let's Get in Tune!
Got questions or need some advice? We're here to help you hit the right notes!