6550 / KT88

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

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

• 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

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

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

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

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 / New In Box * No Longer Available for Export
MFR: Tung-Sol
Made in USA
SKU: 6550-TS-NOS/NIB-USA

See Data Sheet

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