6550 / KT88

• 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

KT88 RF Parts Audio Tubes,

MFR: China

SKU: KT88MP

KT88 RF Parts Audio Tube

New Old Stock * No longer available for export
MFR: China
SKU: KT88-RFP

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

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

Two RCA-6550V1 power amplifier tubes are factory-matched to tight performance limits and are intended for use as a pair in push-puil amplifier stages. These tubes help minimize distorion.

New Old Stock / New In Box * No Longer Available for Export
MFR: RCA
SKU: 6550V!-RCA

The Svetlana™ 6550C is a glass envelope beam power pentode. It is intended for ultra linear audio frequency power amplification service. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance.

New In Box * No longer available for export
MFR: Svetlana Electron Devices, Inc.
Made in Russia
SKU: SV6550C-MP

The Svetlana™ 6550C is a glass envelope beam power pentode. It is intended for ultra linear audio frequency power amplification service. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance.

New In Box * No longer available for export
MFR: Svetlana Electron Devices, Inc.
Made in Russia
SKU: SV6550C

• 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