2) WESTERN ELECTRIC 421A tubes, dual triodes | #291629362
421a / 5998 Stereo Tube Amplifier SET Singled Ended Triode Photo #3025146 - Canuck Audio Mart
Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 3 | Headphone Reviews and Discussion - Head-Fi.org
![True NIB NOS Date Matched Pair Western Electric USA 421A [5998 6AS7G] Tubes - VIVA TUBES](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/1280x1280/products/51058/53761/BP1404__39505.1565711696.JPG?c=2 "True NIB NOS Date Matched Pair Western Electric USA 421A [5998 6AS7G] Tubes - VIVA TUBES")
True NIB NOS Date Matched Pair Western Electric USA 421A [5998 6AS7G] Tubes - VIVA TUBES
5998 421A TUBE NOS TUNG-SOL VALVE DOMINO PLATE BLACK AMPLIFIER OTL VINTAGE AMP | eBay
![Matched Pair Tung-Sol USA 5998 [421A 6AS7G] Black Plate 3 MICA Vacuum Tubes 84% | Reverb](https://images.reverb.com/image/upload/s--0ygSfe19--/a_exif,c_limit,e_unsharp_mask:80,f_auto,fl_progressive,g_south,h_620,q_90,w_620/v1481302922/dnp3bxozhicvqkewy2n1.jpg "Matched Pair Tung-Sol USA 5998 [421A 6AS7G] Black Plate 3 MICA Vacuum Tubes 84% | Reverb")
Matched Pair Tung-Sol USA 5998 [421A 6AS7G] Black Plate 3 MICA Vacuum Tubes 84% | Reverb
CSF 6080WA 6N5P 6080 6AS7 421A à Tube sous vide pour amplificateur Audio HIFI, Original et complet | AliExpress
6moons audio reviews: Fi 421A stereo amp
6moons audio reviews: Fi 421A stereo amp
![しますので ヤフオク! - Western Electric 421A 1本 [29016] きをお](https://tnk.chipigo.cc/images/auctions1/3056d021ea4b35b6866d005893766c4d-i-img1200x1008-16593162228cx0gx293203.jpg "しますので ヤフオク! - Western Electric 421A 1本 [29016] きをお")
しますので ヤフオク! - Western Electric 421A 1本 [29016] きをお
One Closely Matched Vintage Western Electric 421A 5998 Vacuum Tube | eBay
Glow in the Dark Audio - Oliver Sayes Western Electric 421a
Glow in the Dark Audio - Oliver Sayes Western Electric 421a
6080, 6AS7, 5998, 421A headphone amp tubes
Western Electric 421a Double Square getters and domino black plates | Reverb
FS: Western Electric 421A | Hi-Fi and Cinema Cables & Accessories
Bague des deux côtés du tube américain tiancheng 6AS7/5998/6080/421A/6N5P, 1 pièce - AliExpress
CSF 6080WA 6N5P 6080 6AS7 421A à Tube sous vide pour amplificateur Audio HIFI, Original et complet | AliExpress
Western Electric 421A Power Tube Pair *Rare For Sale - US Audio Mart
![True NOS NIB Date Matched Pair Western Electric 421A [5998 6AS7G] Vacuum Tubes | Reverb France](https://images.reverb.com/image/upload/s--KVuf2trv--/a_exif,c_limit,e_unsharp_mask:80,f_auto,fl_progressive,g_south,h_620,q_90,w_620/v1511311023/ewxogusubeez01rh6oew.jpg "True NOS NIB Date Matched Pair Western Electric 421A [5998 6AS7G] Vacuum Tubes | Reverb France")
True NOS NIB Date Matched Pair Western Electric 421A [5998 6AS7G] Vacuum Tubes | Reverb France
5998 / 421A - Vint'Elec - Vintage electronic tubes
Glow in the Dark Audio - Oliver Sayes Western Electric 421a
5998 TUBE ELECTRONIQUE Pair Matched IBM Tube reconditionné NOS Mesure sur photo EUR 380,00 - PicClick FR
5998 / 421A - Vint'Elec - Vintage electronic tubes
Western Electric 421A - Tube Maze
