aion VORTEX Manual de início rápido - Página 6

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BUILD NOTES

Switches

The original unit has a single toggle switch for either "Rectifier" or "Vintage" mode. Inside, it's a 4PDT,

with two of the poles controlling the clipping diodes and two of the poles controlling the filters in the

tone section. To provide added flexibility, and also because 4PDT switches are clumsy and somewhat

hard to find, this single switch has been split out into two.

Clipping switch

The clipping switch allows you select between different sets of diodes for the two gain stages. One half

of the switch selects the diodes of the first stage (either two silicon diodes for "Vintage" mode, or no

clipping for "Rectifier" mode) and the other half of the switch selects the diodes of the second stage (two

silicons for "Vintage" or two LEDs for "Rectifier").

Tone switch

If you look at the schematic, this section looks pretty complex due to the CD4066 switching, but it really

just comes down to each side of the tone control having a different filter value (one resistor and one

capacitor) depending on whether it's Vintage or Rectifier mode. The DPDT switch becomes eight SPST

switches so that a filter is fully out of the circuit when the other one is engaged.

See next page for more in-depth info on how the tone control behaves and what exactly the toggle

switch does to the sound.

VORTEX AMP DISTORTION