6550 / KT88
6550 / KT88 TUBES
The 6550 and KT88 tubes are renowned for their exceptional quality and durability. They are widely used in high-fidelity amplifiers, offering rich sound reproduction and impressive power handling. Explore our selection to find the perfect match for your audio needs.
6550 Tung-Sol Vintage Beam Power Amplifier/Audio Tube with Solid Black Plate (Pull)
In Stock
- 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
6550 Tung-Sol Beam Pentode Power Amplifier/Audio Tube USA (NOS/NIB)
In Stock
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
Add to Cart
6550 Tung-Sol Beam Pentode Power Amplifier/Audio Tube USA (NOS)
In Stock
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-TS-NOS-USA
See Data Sheet
Add to Cart
KT88 Svetlana Audio Tubes Matched Quad (4) (NIB)
In Stock
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-SVET-MQ
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6550 General Electric Vintage Beam Power Amplifier/Audio Tube with Smooth Plates (NOS)
In Stock
- Date code: 63-30
- Smooth Grey plates
New Old Stock * No longer available for export
MFR: General Electric Company
SKU: 6550-GE-63-NOS
