The HT-1R is the perfect amp, packing all the great tone and innovative features of the award-winning HT-5 valve amp into a 1 Watt format. The patented ISF (Infinite Shape Feature) circuit gives you infinite adjustment over the characteristics of the tone control network and takes you from the USA to the UK and anywhere in between. Add a fully specified speaker emulated output, MP3/ Line Input, plus an 4-16Ω speaker output and you have everything you need for recording or practicing. HT-1R Combo Overview Innovative 1 Watt valve combo 1xECC83 and 1xECC82 Unique push-pull power amp design Based on award winning HT-5 Two channels 8" speaker Patented Infinite Shape Feature (ISF) Perfect for studio or practice Speaker emulated output Stereo MP3 / Line input External speaker output Stereo Reverb HT-1R Combo Features Overview HT1 1 watt, 1xECC83, 1xECC82 An innovate 1 Watt, 2 channel valve combo that uses 1xECC83 and 1xECC82 valves. ISF (Infinite Shape Feature) Our patented ISF control can take you from the USA to the UK and anywhere between in seconds. 2 Channels The HT-1R has two channels available, Clean and Overdrive, which allow you to deliver a clean sound or move to a distorted lead tone. Stereo Reverb The HT-1R has all the same functions as a HT-1 with an added Reverb control.