The HT-DRIVE has dual cascaded, high voltage, triode stages which deliver gain from warm boost to screaming valve saturation. The unique ‘A-Class’ tone control cuts the fizz without making your‘backed-off’ tone sound dull and lifeless. Add to this a no compromise speaker emulated output and you have the ultimate overdrive dream. • Genuine valve design • Operates at 300V HT • Cascaded valve gain stages• Responds like a valve amp • Unique ‘AClass’ tone control • Fully equipped for stage or studio • Speaker emulated output • High integrity buffered bypass • Power supply included • Silent switching.