Rocktron Allan Holdsworth juice-extractor 1990’s

INTRODUCTION

I started experimenting around 1970 when / worked in a Top 40 band. I realized that my amp sounded good when it was turned up but I didn't like the volume and neither did anyone else. I figured that if I could turn down the speaker then I could use the amp turned up. I suppose that was my first power attenuator. I kept on working with tube amplifiers and various devices until around 1978 when I started using Hartley Thompson amps which were solid state.

Then started my interest in signal processing which was easy to interface with solid state amps, but later | started thinking how great it would be to interface a 50 watt Marshall with the signal processing that I wanted to use. I started experimenting with various gadgets beginning with a basic load resistor, but there was something ratty about that approach. I just kept working on it, changing component values etc. to try and get closer to the sound and feel of the original.

It was always obvious to me that the bulk of the tone of a distorting tube amp comes from the output section, so / just kept working on capturing the sound from the speaker output of the amp and turning it into something usable, something that could be patched right into the rig.

I used variations of this idea live from 1980 on. I didn't really think of it as being of much use to anyone else until I loaned versions of the box to friends and they all seemed to like it, so / figured it could be put to good use by other people. The last few versions of the box sounded pretty good to me. I called the chaps at Rocktron, because I really like their products and feel they are an adventurous company, to see if they would be interested in hearing the Juice Extractor. This Juice Extractor evolved from these earlier versions.

ALLAN HOLDSWORTH

The Juice Extractor is in excellent condition for it’s age.

I fired the Juice Extractor up the other day all LCD lights work.

Thank you for looking 🎸