6550 / KT88

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

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-MP-RUS

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

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

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

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

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

• 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