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Vacuum Tube - KT88, Svetlana

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SKU:	T-KT88-SV
Item ID:	044916

Starting at: $47^.65

In Stock

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Type

Power

The Svetlana KT88 is an excellent choice for users looking to upgrade their current KT88 tubes. This tube is a glass envelope beam power tetrode. It is intended for audio frequency power amplifiers. High plate dissipation, close manufacturing 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 replacement for any KT88, KT90, KT99, or 6550.

Features

Greatly enhanced sonic performance
Increased peak cathode emission from the new cathode materials
Stable operation from extended processing and aging
Gold-plated grid
New tri-plate anode
Single piece beamforming electrode
Precise grid/screen alignment
Improved vacuum processing
Comprehensive static and audio amplifier testing before and after aging

“Svetlana tubes are quite simply the absolute best. We design and manufacture our tubes, engineered for demanding high fidelity, reliability and overall warmth. Be sure to insist on genuine Svetlana vacuum tubes the next time you retube -- you'll be getting the absolute best possible tubes for any demanding application.”
-Svetlana

Part Numbers
Single or Matched	Our Part Number	UPC/EAN
Single	T-KT88-SV	841358115578
Matched Pair	T-KT88-SV-MP
Matched Quad	T-KT88-SV-MQ

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Specifications, Files, and Documents

Datasheet for Single (T-KT88-SV)

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Product Measurements by Type (click to expand)

Product Measurements by Type
Base	Single version	Large wafer octal 8-pin with metal sleeve
Cathode	Single version	Oxide-coated, unipotential
Cathode to Heater Max.	Single version	-250 V / 250 V
Cooling	Single version	Convection Cooled
Diameter	Single version	51 mm
Height	Single version	117 mm
Max. DC Cathode Current	Single version	230 mA
Max. DC Plate Voltage	Single version	800 V
Max. Envelope Temperature	Single version	250 °C
Max. Grid no.1 (control) Voltage	Single version	-300 V
Max. Grid no.2 (screen) dissipation	Single version	8 W
Max. Grid no.2 DC (screen) Voltage	Single version	600 V
Max. Heater Voltage	Single version	6.9 V
Max. Plate Dissipation	Single version	42 W
Min. Heater Voltage	Single version	5.7 V
Nom. Heater Current	Single version	1.6 A
Nom. Heater Voltage	Single version	6.3 V
Seated Height	Single version	103.5 mm

Packaging Information
Packaging Dimensions	Matched Pair version	1 in. × 1 in. × 1 in.
	Matched Quad version	1 in. × 1 in. × 1 in.
	Single version	5.5 in. × 2 in. × 2 in.
Weight (Packaging)	Single version	0.264 lbs.

Product Measurements by Item (click to expand)

Product Measurements by Item
T-KT88-SV - Single version	Base	Large wafer octal 8-pin with metal sleeve
	Cathode	Oxide-coated, unipotential
	Cathode to Heater Max.	-250 V / 250 V
	Cooling	Convection Cooled
	Diameter	51 mm
	Height	117 mm
	Max. DC Cathode Current	230 mA
	Max. DC Plate Voltage	800 V
	Max. Envelope Temperature	250 °C
	Max. Grid no.1 (control) Voltage	-300 V
	Max. Grid no.2 (screen) dissipation	8 W
	Max. Grid no.2 DC (screen) Voltage	600 V
	Max. Heater Voltage	6.9 V
	Max. Plate Dissipation	42 W
	Min. Heater Voltage	5.7 V
	Nom. Heater Current	1.6 A
	Nom. Heater Voltage	6.3 V
	Seated Height	103.5 mm