6550 / KT88

• 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

Designed for Audio service. This tube carries a 42 watt plate dissipation rating which provides for push/pull amplifier designs up to 100 watts output.
Size: 3.7" tall (base to top of tube) x 1.97" diameter, 4.24" Overall length

New Old Stock * No Longer Available for Export
MFR: Tung-Sol
Made in USA
SKU: 6550-TUNG-NOS

See Data Sheet

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

New Old Stock * No Longer Available for Export
MFR: Raytheon
Made in USA
SKU: 6550-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

The Svetlana™ KT88 is a glass envelope beam power tetrode. It is intended for audio frequency power amplification service.
New In the Box * No longer available for export
MFR: Svetlana, Russia
SKU: KT88-MP-SVET

These vintage RCA tubes have three getters and smooth plates with 3 holes.

New Old Stock / New In the Box * No longer available for export

MFR: RCA, USA
SKU: 6550-RCA

These Tung_Sol tubes have 3 getters with smooth plates.
Size: 3.7" tall (base to top of tube) x 1.97" diameter, 4.24" Overall length

Clean Used  * No longer available for export
MFR: Tung-Sol Made in USA
SKU: 6550-TUNG-P