· (2) Original Tesla Factory Boxes. · Date Code WF: February 1961 (Rožnov plant). · Matched Dynamic Response: Across the pair, the average transconductance matches withinless than 2% (1741Gm avg vs 1708Gm avg), making them a functionally matched pair.
NOS Matched Pair Vintage 1961/62 Tesla ECC83/12AX7 Yellow Label(NIB) – Maxi test
· (2) Original Tesla Factory Boxes. · Date Code WF: February 1961 (Rožnov plant). · Matched Dynamic Response: Across the pair, the average transconductance matches withinless than 2% (1741Gm avg vs 1708Gm avg), making them a functionally matched pair.
Balanced Super Pair Vintage RSD EF804S Military Same codes NOS
Balanced Pair EF804S RSD – NOS.
Balanced Super Pair Vintage Tesla EF806S Military 1972’y nr3
Balanced Pair EF806S TESLA Military tubes 1971’y. NOSStrong Parameters : 4 / 3 mA!100% = 2,2 mA!
50 x TESLA TUBE-BOX CARTON BOX for Radio Tubes 12AU7-12ax7/ecc803S,E83CC,E88CC
For 12AU7, 12AT7 – E83CC,6267,EF86, 12AX7/ECC803S – EF806s,ECC88, 6922. etc ! 85 mm x 26mm x 26 mm. lot of 50 pcs. I try to describe any obvious faults as truthfully as I can.
10 x TESLA TUBE-BOX CARTON BOX for Radio Tubes 12AU7-12ax7/ecc803S,E83CC,E88CC
TESLA TUBE-BOX CARTON BOX for Radio Tubes 12AU7-12ax7/ecc803S,E83CC,E88CCfor 12AU7, 12AT7 – E83CC, 6267,EF86, 12AX7/ECC803S – EF806s,ECC88, 6922… etc !lot of 10 pcs.size aprox.3,6 x 1 x 1 inches85 mm x 26mm x 26 mmthe boxes come unfolded, you have to glue them yourself, I have other models that are glued, see my other itemsPlease, be sure to view all photos carefully below as they are included as part of the item description !All questions are welcome !! Questions: All questions are welcome and will be answered in time. condition – please keep in mind that you are buying an item over 100 years old and there will be traces of a past life!!!!Please be sure to view all photos carefully as they are included as part of the item description!I sell antique and vintage collectible stuff – unique items that have history, and may show signs of this – it’s part of their charm. I try to describe any obvious faults as truthfully as I can. However, as most of my items are 100 years old, they will often bear the traces of a previous life. Please think carefully about bidding if you are looking for a pristine item that is as new. My passion is for beautiful antique stuff and quirky vintage items with a gently faded grandeur, so do consider this before deciding to bid.
1 x Vintage Tesla EF806S Military 1968’y – NOS
1 X EF806S TESLA Military tubes 1968’y. NOS. 100% = 2,2 mA!
1 x Vintage Tesla EF806S Military 1973/77 ‘y Red Tip – NOS
1 x EF806S TESLA Military tubes, white label, Red Tip – 1973’y or 1977’y NOS. 100% = 2,2 mA!
1 x Vintage Tesla EF806S / EF86 Military 1975’y Red Tip
1 x EF806S TESLA Military tube, 1975’y NOS.Parameters : 3mA!100% = 2mA
Balanced Super Pair Vintage Tesla EF806S Military 1969’y + 1970’y NOS
Balanced Pair EF806S TESLA Military tubes 1969’y + 1970’y. NOS.
