From the same batch of Item 975, these tubes test lower than average for one or both triodes. Sold only as singles.

Brand New, Single Tubes MINT NOS 1950s MAZDA France ECC82 12AU7 with Long Plates and Square Getter. IMPERFECT TEST SCORES. Tungsram Label. Made in France. Packed in white boxes from 50 pcs Bulk Cartons.

NOTE: Flashing pattern varies from very small to large between tubes even from the same batch (click Larger Photo). It is normal. Very desirable ECC82/12AU7 type tube.

Tested and matched on Hickok 752, just recently calibrated and modified by Hickok expert to all Solid State to eliminate drift.

Single Tube = $24.