Assuming crystal is required, the following results were found.
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Custom guitar cabinets
Contact me please for prices and details
http://svisound.com/index.php?option=com_content&view=article&id=117:cust-cab&catid=21&lang=en&Itemid=267 -
Custom guitar pedal 02
$280.00 Custom guitar pedal. It is ready enclosure, so I will add effects you choose from list below. The Price included it already. So no more extra cost. Lighting VU meter Two big knobs Five small knobs One switch Two foot switch Four jack, input and...
http://svisound.com/index.php?option=com_content&view=article&id=124:custom-pedal-02&catid=21&lang=en&Itemid=224 -
Overdrive OverZoid oz01 art edition
to overdrive gain, tone and volume controls bass mode switch gain boost switch true bypass power 9V full metal design glass crystal indicator, changing color from signal manual .pdf
http://svisound.com/index.php?option=com_content&view=article&id=66:over-zoid-3-art&catid=16&lang=en&Itemid=154 -
Germanium fuzz Ge Fuzz V.3.2 art edition
transistors. True germanium sound True bypass Fuzz, tone and volume controls Bass boost switch, tone correction switch Crystal glass ball indicator, color changing when play Full metal design Power from external adapter 9V manual .pdf
http://svisound.com/index.php?option=com_content&view=article&id=63:germanium-fuzz-overdrive-v-3-2-art&catid=10&lang=en&Itemid=152