Market Electronics (Maestro) Echoplex EM-1 Groupmaster Effects Pedals One thing's for sure -

One thing's for sure - it's got bags of tone and hefty bottom end - sounds great when cranked-up and takes pedals well

Although it is ostensibly a preset synth it has various ways to manipulate the sounds (some of which are quite odd to begin with)

and synths can also sound amazing through these

Made in the USA and still with its original Fisher-branded valves (tested good) and Gibbs reverb tank

although the overdrive here is coming from the superb Hawk HR-45 on top of the tape echo (with thanks to Ben and Pete from Elephant Disco for coming to the office and putting a load of the gear through some serious workouts):

Market Electronics (Maestro) Echoplex EM-1 Groupmaster Effects Pedals One thing's for sure -Market Electronics Echoplex EM 1 Groupmaster for sale serviced and guaranteed. This is the ultra rare multi input mixer version of the classic US, solid state tape echo with Sound On Sound. Full mechanical and electrical service completed, heads cleaned, Fulltone cartridge rewound with fresh tape. Great characterful sound, overdrives well. In excellent working order for a 40+ year old echo unit. Case face scruffy, but functional. Case lid missing.