Mullard, Amperex, Tungsol, GE, Raytheon, Sylvania - 6080/6AS7/6520/6528 from $300
The following tubes have been tested on a calibrated Hickok TV-7B/U where a value of 36 (ie. Gm 1800) is the minimum Gm requirement. Most of these tubes are new-in-box tested around 50, ie. Gm 2500 in brand new condition, all tubes come with measurement results. Remarks: nos (new-old-stock), nib (new-in-box), new (new or like new Gm value), good (strong Gm value).

1. 4pcs. Amperex USA 6080, 83-32 nos - $300/each
2. 2pcs. Amperex USA 6080, 0-52 nos - $300/each
3. 4pcs. Sylvania USA 6AS7, nos - $300/each
4. 2pcs. United Electron USA 6080, 66-35 nos - $500/each
5. 4pcs. Raytheon England 6AS7G, nos - $500/each
6. 7pcs. GE England 6AS7G, disc getter, nos - $500/each
7. 1pc. Chatham USA 6080, 61-10 nos - $400
8. 1pc. Chatham USA JAN-CAHG-6080, 59-10 nos - $500
9. 1pc. Mullard CV2984 KB/D, 6080YF, AJ1 R7E4 nos - $500
10. 2pcs. Mullard 6080, AJ1 R0C1 AJ1 R9D4 nos - $500/each
11. 1pc. Tung-Sol JAN-6080WA, 7026 nos - $700
12. 4pcs. Tung-Sol JAN-CTL-6AS7G, 6607 nos - $700/each
13. 2pcs. Tung-Sol 6520 (6080WA), 322PD nos - $700/each
14. 16pcs. Raytheon JAN 6080WC, 79-52 nos - $500/each

15. 1pc. Westinghouse 6528, 950 nos - $400
16. 2pcs. Tung-Sol 6528, 3326215, 322PR nos - $400/each
17. 1pc. Tung-Sol 6528, 33267 12-3 nos - $400
18. 1pc. Tung-Sol/Chatham 6528, 332DM3 nos - $400
19. 2pcs. Cetron JAN 6528A, 8504 nos - $400/each

絕對正貨，請安心購買。
市區地鐵站交收，meet-up at MTR Stations.32
I am a vintage hi-fi and electronic enthusiast, all vacuum tubes are my private collection from Canada. 所有出讓的真空管都是小弟從加拿大带返之私人收藏。