tube 6550

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SpringAir

Tube Audio Bonn 6550 WB gematchtes Paar SpringAir €75 Mar 3, 2021

Kleinanzeigen

DIY Tube SE Amplifier 6550C oder KT-88 Parallel, ECC-82 + ECC-83 Kleinanzeigen €1,800 18% Nov 19, 2025

Reverb

Very Rare ElectroVoice Model A50 Circlotron Tung-Sol 6550 Tube Amplifier with Original Cage $1,799 40% Jan 7, 2025

Audiogon

PSVANE Horizon 6550-AT Vacuum Tube Matched Pair Audiogon $95 36% Oct 22, 2025

US Audio Mart

One NOS 1960 Tung-Sol 6550 Black Plate Tube US Audio Mart $275 Mar 14, 2024

Yahoo Auctions

* good sound!6550 single vacuum tube power amplifier custom-made goods! contact service being completed! operation excellent goods! Match do pair Russia tube!* Yahoo Auctions Auction bid
¥100,000 Feb 5, 2025

Trademe NZ

Auckland Closes: Mon, 5 Jan 6 x 40mm/5mmTube Dampers Silicone O-Ring fit 6L6G 6550 tube audio Amps (EP050) $6.50 shipping nationwide Expected delivery in 2-3 business days Buy Now $8.00 Trademe NZ NZ$8 Dec 30, 2025