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High Performance Audio Small-Signal Pentode


The Svetlana EF86 is a glass envelope miniature pentode intended for high-quality audio preamplifier service. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. The Svetlana EF86 is manufactured in the Svetlana factory in Russia, and is designed to be a direct replacement for any EF86 or 6267 type. The Svetlana EF86 features:

Low microphonics and low heater hum induction - suitable for input stages in high-gain microphone preamps, phono preamps or as a gain stage in condenser microphones

Electrostatic shield is built-in, covers entire inner structure-no external shield required

Low distortion in pentode or triode connection

Extended processing and aging for stability and reliability

Comprehensive static and audio amplifier testing before and after aging

Technical Bulletin: Audio Applications for the Svetlana EF86

Download complete data sheet in Adobe Acrobat format