PRS HDRX 20, 20-Watt Tube Guitar Amplifier HeadThe PRS HDRX 20 is a 5881 powered guitar amplifier head that captures the sonic snapshot of storied late 60s British amplifiers. Based on intense study of one of Jimi Hendrixs amplifiers back in 2018, Paul Reed Smith and Doug Sewell created the HDRX 20 to give players a lower wattage alternative to the more powerful amps in the line. 2 5881 power tubes and 3 12AX7 preamp tubes power the HDRX 20. The 5881s break up early which is perfect for a 20 watt