Tubes - Transmitting, Audio, Misc.

The KT88 has an anode disipation of 35w and is primarily designed for the output stage of an A.F. amplifier for which two valves will provide up to 100w output. Under intermittent conditions, an output of 150w is obtainable in Class B. Also suitable for use as a series valve in a stabilized power supply.

Used * No longer available for export
MFR: Genalex
Made In England
SKU: KT88-GEN-P

• 3.95" tall, base to top of tube
• 1.775" diameter 
• 4.43", overall height

New Old Stock - No longer available for export
MFR: RF Parts Company
Made in China
SKU: 6550A-RFP

• Low Hour Pull from Working Equipment
• Second Generation
• Three getters: 2 Side and 1 Top
• Solid Black Pates

Clean Used  * No Longer Available for Export
MFR: Tung-Sol
SKU: 6550-TUNG-BP-P

• Date code: 63-30
• Smooth Grey plates

New Old Stock * No longer available for export
MFR: General Electric Company
SKU: 6550-GE-63-NOS

• Date code: 63-30
• Smooth Grey plates

New Old Stock * No longer available for export
MFR: General Electric Company
SKU: 6550-GE-63-NOS

• Low hour pull
• 2 Top Getters
• 1 Side Getter

Used * No longer available for export
MFR: Grove Tubes
SKU: 6550-GT-P

• Low Hour Pull
• Tested on a Hockok 539C 
• Gm range 11250 -11500

Used * No longer available for export
MFR: Genalex
Made in Great Britain
SKU: SC1000-KT88-P

The 6550 is a beam pentode power amplifier primarily designed for audio service up to 100 watts output.

New Old Stock * New In Box * No Longer Available for Export
MFR: Raytheon
SKU: CK6550-RAY

Size: 3.7" tall (base to top of tube) x 1.97" diameter, 4.24" Overall length.

New Production * No longer available for export
MFR: Tung-Sol
Made in Russia
SKU: 6550-TUNG-NOS-RUS