Earth Revival Top. 50 watt. Tweed! 1978ca.
2 matched EH 6L6 / 5881 power tubes.Bias checked.Looks great with the Tweed cloth.Made in USA.Strong 50 watts & Sounds pretty good...
Google: "Earth Sound Research was a musical amplification firm based in Farmingdale, New York that made bass and guitar amplifiers in the 1970s. They also made PA mixers/power amps, keyboards and stand alone reverb units (solidstate).
In addition they manufactured ESR distortion pedals, and volume pedals. The two owners were Marc Neumann and Dave Garrett.".
Was 4500 sek.Now