The UO-186 is a glass envelope power triode having a plate dissipation rating of 15 Watts with convection cooling. It is intended for audio frequency power amplification service in triode connection and single or push-pull/parallel applications. The UO-186 has an directly-heated oxide cathode. This triode has audiophiles deserved love because of high linearity characteristic.

ELECTRICAL PARAMETERS Heater voltage, V... read more >>

German vacuum tubes
The TELEFUNKEN company marking vacuum tubes for use in the receiving equipment, the letters RE, radio tubes for transmitters - the letters RV, and rectifying lamps - letters RG. If the designation was the third letter, the lamp with a large number of grids, it was the letter S, and the lamp with indirect heating - the letter N.... read more >>