tung-sol 6550

Yahoo Auctions Taiwan

Tung-Sol 6550 復刻版 一對 Yahoo Auctions Taiwan NT$3,600 Dec 13, 2025

Subito

4 Valvole Tung Sol 6550 anni 60 accoppiate Subito €800 27% Jan 27, 2025

US Audio Mart

Tung-Sol 6550 Tubes Matched Quads plus spare US Audio Mart $300 14% Jun 16, 2024

US Audio Mart

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

US Audio Mart

Tung-Sol 6550 Black Plates (pair)- GREAT tubes - reduced price US Audio Mart $500 33% Jul 24, 2025

Yahoo Auctions

TUNG-SOL 6550 vacuum tube 2 pair kwado4ps.@.. Yahoo Auctions Auction bid
¥12,500 Dec 23, 2025

Review33

出售: 英國金獅 KT88，貓乸 12ax7, 美國 TUNG SOL 6550 Review33 - Oct 30, 2025

Audio-markt

Tung-sol tung sol 6550 quad matched and el34b quad matched power tubes total 8 tubes Audio-markt €300 Nov 30, 2025

Reverb

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

Yahoo Auctions Taiwan

舊版 特殊軍用管 Tung Sol *ctl*6550（同kt88)黑屏 三吸氣劑（getter) Yahoo Auctions Taiwan NT$38,000 Dec 13, 2025

Yahoo Auctions Taiwan

軍用 mcintosh mc60真空管 後級一對 vitamin Q 序號連號 tung sol ctl 6550特殊軍用管 Yahoo Auctions Taiwan NT$168,000 Dec 13, 2025

Saigon Audio

Bộ 4 bóng đèn Tung-sol KT88 / 6550, OOO Getter, NOS, Made In USA Saigon Audio ₫12,000,000 100% Sep 13, 2021

Yahoo Auctions

free shipping operation excellent RCA 6550 (Tung-Sol OEM goods ) ST tube same one Rod pair audio for vacuum tube Yahoo Auctions Auction bid
¥29,000 Nov 8, 2025