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The Seymour Duncan SFX-03 Twin Tube Classic guitar preamp / distortion pedal puts real tube distortion magic at your feet. The Twin Tube is awesome for adding some tube tastiness to a direct guitar tone, or for warming up a solid state or digital amplifier.
The Seymour Duncan Twin Tube has two channels of pure analog, all tube signal path, with the military-grade Philips Sylvania 6021 tubes seeing very high plate voltage. This high plate voltage results in the Twin Tube operating at full efficiency for maximum tube tone and responsive dynamic feel.
The Seymour Duncan SFX-03 Twin Tube features two switchable channels, rhythm and lead, with independent volume and gain controls, and a separate tone section with global bass and treble controls. You really can't get a bad sound out of this preamp. Glassy low-gain overdrives, chunky rhythm tones, and smooth sustaining high-gain lead sounds are all there in spades. The EQ section is simple and quite musical, with very little tweaking necessary to get the perfect crunch.
Of course the Seymour Duncan SFX-03 Twin Tube is built like a tank, with no expense spared in high-grade components and bulletproof construction. Switching is true bypass for total tonal integrity, tube components are military-spec, and the solid steel chassis is as heavy-duty as they come.
You won't be disappointed in the Seymour Duncan Twin Tube. It's an indestructible tone machine if there ever was one. Check out the vid and dig on the sounds.