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.
KT88 RF Parts Audio Tube (6550) (NOS)
In Stock
KT88 RF Parts Audio Tube
New Old Stock * No longer available for export
MFR: China
SKU: KT88-RFP
KT88 Svetlana Audio Tubes (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
KT88 RF Parts Audio Tubes, Matched Pair (6550)
In Stock
KT88 RF Parts Audio Tubes,
MFR: China
SKU: KT88MP
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
6550 General Electric Vintage Beam Power Amplifier/Audio Tube ( 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
GT-6550 Grove Tubes Beam Power Amplifier/Audio Tube (Pull)
In Stock
- Low hour pull
- 2 Top Getters
- 1 Side Getter
Used * No longer available for export
MFR: Grove Tubes
SKU: 6550-GT-P
6550 Tung-Sol Beam Power Amplifier Tube (New Production- Russia)
In Stock
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
6550C Svetlana High Performance Audio Beam Power Pentode Matched Quad (4) (NIB)
In Stock
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-MQ
6550B-3 Svetlana High Performance Audio Beam Power Pentode (NIB)
In Stock
The 6550B is an early Svetlana variant of the 6550 made in the 80's.
New In Box * No longer available for export
MFR: Svetlana Electron Devices, Inc.
Made in Russia
SKU: SV6550B-3
6550B-3 Audio Classic High Performance Audio Beam Power Pentode (NIB)
In Stock
The 6550B is an early Svetlana variant of the 6550 made in the 80's.
New In Box * No longer available for export
MFR: Audio Classic
Made in Russia
SKU: 6550B-3
