1. http://www.vacuumtubes.com/6dj8.html
2.http://www.upscaleaudio.com/view_category.asp?cat=42
3.http://mysite.verizon.net/tubetronic/6dj8.htm
4.http://www.house-of-tubes.com/catal….asp?SKU=175438
5.http://www.pentalaboratories.com/Find.aspx?
6.http://www.mullardtubes.com/
7.http://www.canuckaudiomart.com/deta…old_aero_kt99a/
8.http://www.audiotubes.com/12at7.htm
9. http://www.drtube.nl/tubeshop.htm#NOS
10. http://www.house-of-tubes.com/catal….asp?SKU=117700
11.http://www.digitex.it/listini_en.html
12.http://www.tejastubes.com/
13.http://www.savantaudio.com/savant6.html#Tubes
14.http://www.tubedepot.com/index.html
15.http://www.cs.helsinki.fi/u/oheinone/valves/
16.http://www.vacuumtube.com/guitar.htm
17.http://users.belgacom.net/TubeFest/…&target=d4.html
18.http://www.audioweb.com/Directory/D…?companyid=7432
19.加拿大網站 比 e bay 價格低 http://www.tubemongerlib.com/gallery2/v/6922/
http://www.canuckaudiomart.com/clas…tubes_valves/15
但 ~ 有ㄉ賣家不賣到亞洲
http://www.tubemongerlib.com/gallery2/v/6922/[/url]
[20.http://www.tangotubes.com/
21.https://www.chelmervalve.co.uk/shop…etails.php?id=1
22.http://www.die-wuestens.de/eindex.htm
23.http://www.audiokarma.org/ads/index.php ((賣家不賣國外))
24.http://www.jacmusic.com/nos/ECC81.htm
(( 歐元 ))
25. http://www.micronetics-trading.com/page3.html
26.http://stores.ebay.co.uk/Michaels-E…1QQfsubZ2QQtZkm
27.
@@ http://www.vacuumtubes.net/?source=…CFQeFbgodrXgrhw
28.http://stores.ebay.com/GTFBS-Good-T…Z20725274QQtZkm
29.http://stores.ebay.com/Tube-Store
30.http://search.ebay.com/_W0QQsassZwalden-puddleQQhtZ-1
31..http://www.canuckaudiomart.com/deta…d_vacuum_tubes/
32.http://stores.ebay.com/Grosses-Tube…9QQftidZ2QQtZkm
33..http://shop.ebay.co.uk/merchant/radioroehren
34.http://shop.ebay.co.uk/sis/_W0QQ_kw…idZ200252923440
35.http://stores.ebay.com/Ugly-Baby-ReProductions
36.http://shop.ebay.co.uk/merchant/lkrist
37.http://cgi.ebay.co.uk/ws/eBayISAPI….E:B:WNA:GB:1348
38.http://www.hifitubes.nl/catalog/tubes-c-21.html
39.http://stores.ebay.com/HLR-Electron…enameZWD5QQtZkm[/COLOR]
http://www.worldtubeaudio.com/direc…kategorie_1.htm
http://www.worldtubeaudio.com/direc…kategorie_9.htm
http://www.tubeampdoctor.com/produc…roducts_id=1171
這個也有 BIASMASTER System BM2 129,80 Euro
http://www.tubeampdoctor.com/site_map.php
http://stores.ebay.com/GTFBS-Good-T…Z20725274QQtZkm
功率管賣家
群燕圖檔
http://www.tubemongerlib.com/gallery2/v/6922/
http://www.wiwitubes.com/tube.html
http://hn85016362.myweb.hinet.net/Preamp%20Tube.htm
http://tdsl.duncanamps.com/index.php Tube DATA Sheet 所有管子 特性資料 ， 相容管資料
台灣 ：
http://www.tubecity.com.tw/ 工藝音響 (林先生已退休)
http://www.tubes.tw 真空管小舖