INTRODUCTION: WELCOME THE POD....
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expertise to develop software which simulates the tube and other circuitry’s signal
processing entirely within the digital domain. Cool, huh?
This revolutionary DSP (digital signal processing) software-based modeling
technology, called
TubeTone, gives Line 6 the power to create super silicon-
based life forms like POD: a tonally mind-blowing, multi-FX packed, shiny red
wonder box with ultimate flexibility for creating awesome guitar tone....
AMP MODELS
The TubeTone process allowed Line 6 to create software Amp Models modeled
after a collection of amplifiers recognized by guitarists the world over as true “tone
classics.” We got these amps together, cranked ’em up, and had a look at the
electronic data generated by the tubes, transformers, capacitors, plate and grid
voltages, tone control curves – and the whole mess of components and elements
unique to each amplifier design. This research led to the creation of TubeTone
software Amp Models. These Amp Models were tweaked up through careful,
scientific A/B comparisons to the amps that inspired them, with an ear open for
the effects of different volume levels and settings of the originals’ tone and gain
controls. The gain and equalization characteristics of the modeled amps were
carefully measured so that changes to amp knobs on the models would mirror the
effects of these changes on the originals as closely as possible. We’re talkin’ major
attention to detail here. Tone control center frequencies, slopes, and cut/boost
range were painstakingly analyzed, and we also carefully attended to the effect of
presence switches, “bright” channels, and other model-specific factors. Not only
that, but since these old amps had highly interactive circuits, we paid careful
attention to the way that the setting of one knob will change the way that another
knob on the amp will behave. All in an effort to make our Amp Models as much
like the amps we modeled as possible.
The resulting TubeTone Amp Models are the foundation of POD. Now, then–
here are a couple of things we want to be completely crystal clear on:
1. The TubeTone modeling process is a patented, 100% digital software-based
technology exclusive to Line 6.
2. TubeTone is not sampling, nor is it solid state; no special guitar, pickup, or
cabling is needed.
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