6550 / KT88

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

KT88 RF Parts Audio Tube

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

KT88 RF Parts Audio Tubes,

MFR: China

SKU: KT88MP

• 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