Dan Armstrong Orange Squeezer - How to tell the different versions apart? | The Gear Page
beavis audio research - stompbox schematics
Guitar Pedal X - GPX Blog - DryBell's new Module 4 Compressor is inspired by the Dan Armstrong Orange Squeezer while it goes well beyond that with some really clever switching features
Mini version of Dan Armstrong's Orange Squeezer Compressor
Circuit Salad's *Optical* Orange Squeezer -- layout and discussion
1980's Dan Armstrong Orange Squeezer Compressor | eBay
Comprar Dan Armstrong Orange Squeezer Compressor - Pedales de guitarra
Analog Man Juicer Compressor
Dan Armstrong Orange Squeezer / Analogman Juicer Clone Compressor Sustainer Pedal | Reverb España