One Matched Pair Mazda ECC803S 12AX7 ECC83 tubes 
Very hard to find triple mica gold pins, 
Brand new, Unused mint condition

Tight bass, Lively, Dynamic, open sound, smooth midrange, very good resolution
(the same construction and it is very close sound quality Telefunken ECC803S)

Tested on New Generation Digitally Tester Amplitrex AT-1000




Shipping with registered airmail, Shipping time is approximately 10-15 Days for Europa
USA, Far East and other countries will be long time 15-25 days
Very important notes for from Brasil, Peru, Argentina, Thailand buyers, shipping time is available very long time 45-60 days

All items are guaranteed to be in the condition stated unless sold AS-IS and stated so in the beginning of description.
All items must be returned for replacement or refund, no exeptions. If you have any questions please email me.
Refund: Only item, no refund shipping cost

We pack the items in a very safe way for transportation and ship them usually in two working days after payment.