Mullard ECC82 / 12AU7 Special Low-Microphony with U-Shaped Support Rod

Early production old logo Mullard with U-shaped support rod! Extremely rare, with dimpled flat getter, the support rod is there to clinch the upper and lower spacers and reduce microphony.

We had these once in 12AX7’s and they are FAB! These are limited in quantity.

Price is for a single tube.

Platinum grade – Low noise and microphony with a triode balance typically within 10% to 15% but may be higher depending on available stock.

Kevin’s Stash – The best of the best. Lowest noise and microphonics we have, along with the absolute tightest triode balance available. Triode balance typically no higher than 10%, but may be higher depending on available stock.