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Svetlana 12AX7 Preamp Tube
Svetlana EL34 Power Tube
The Svetlana EL34 is a glass envelope power pentode having a plate dissipation rating of 25 Watts with convection cooling. It is
intended for ultra linear audio frequency power amplification service in either pentode or triode connection and single or push-pull/parallel
tube applications. The Svetlana EL34 has an indirectly-heated oxide cathode, which may be DC operated for the absolute best hum/noise
performance. The Svetlana EL34 plate is made from a laminated material that improves heat transfer and has superior performance under
overload conditions which are often seen with guitar amplifiers. Close manufacturing specification tolerances and improved processing
provides enhanced reliability and superior sonic performance. The high sensitivity of a pair or quad of Svetlana EL34's is an economical
method to achieve high quality sound with a minimum of driving stage components. Item # SVETEL34.
Svetlana 6L6GC Power Tube
The Svetlana SV6L6GC is a glass envelope beam-power tetrode intended for high-power audio amplifier service. Close
manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. The Svetlana
SV6L6GC is manufactured in the Svetlana factory in St. Petersburg, Russia, and is designed to be a direct replacement for any 6L6 type.
The Svetlana SV6L6GC features:
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Design and construction based on the Sylvania 6L6GC/STR387.
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Extra-rugged construction for use in music amplifiers--thick mica spacers and extra bracing reduce microphonic
effects and resist mechanical and thermal shocks.
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Increased peak cathode emission from new cathode materials.
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Gold-plated grid and extended processing and aging for stability and reliability.
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Tri-plate anode for superior dissipation.
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Precise grid/screen alignment.
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Comprehensive static and audio amplifier testing before and after aging.
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May be operated in inverted position--base fits into socket clamps in Fender guitar amplifiers
Item # SVET6L6GC.
Svetlana KT88 Power Tube
The Svetlana™ KT88 is a glass-envelope beam power tetrode. It is intended for audio frequency power amplification service. High plate dissipation rating,
close manufacturing specification tolerances and thorough processing provides improved reliability and superior sonic performance.
The Svetlana KT88 is manufactured in the Svetlana factory in St. Petersburg, Russia, and is designed to be a direct replacement for any
KT88, KT90, KT99 or 6550.
The new KT88 features greatly enhanced sonic performance: Increased peak cathode emission from new cathode materials; Stable operation from
extended processing and aging; Gold-plated grid; New tri-plated grid;
New tri-plate anode; Single-piece beam forming electrode; Precise grid/screen alignment; Improved vacuum processing; comprehensive static
and audio amplifier testing before and after aging. Item # SVETKT88.
Svetlana 6550C Power Tube
Svetlana Electron Devices has incorporated the improvements from our 6550B series into one product, the new SV6550C.
The SV6550C, manufactured in St. Petersburg, Russia, has the following features:
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Increased peak cathode emission from new cathode materials
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Stable operation from extended processing and aging
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Comprehensive Static and Audio Amplifier testing before and after aging
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Gold-plated grid
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New tri-plate anode
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Single-piece beam forming electrode
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Precise grid/screen alignment
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Barium getter and improved vacuum processing
These features combine to bring superb sound from the new Svetlana SV6550C.
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