Kit - Persuader Deluxe Pedal Kit, MOD DIY The Persuader Deluxe utilizes a Darlington preamp to push cascaded triode vacuum tubes into distortion Four dual triode vacuum tubes are included with each kit (JJ 5751, 12AX7B China, JJ 12AU7 and a NOS USA made 12AT7) Swap to create a wide range of tones from just a hint of break up from the JJ 5751 to over the top crunchy distortion using the NOS US made 12AT7 A boost switch provides an additional layer of flexibility with added gain and a little extra bottom end An LED indicator lights up when the Persuader Deluxe is engaged and not in true bypass mode.