Page 1 Brimar thermionic products ECC82 (12AU7)Page 2 Page 3 Page 4 Page 5 Brimar thermionic products ECC82 (12AU7)Page 6 Brim ar therm ionic pro ducts E CC 82 ( 12A U7)Page 7 Brimar thermionic products ECC82 (12AU7)Page 8 Brimar thermionic products ECC82 (12AU7)Page 9 Brimar thermionic products ECC82 (12AU7)Page 10 Brim ar therm ionic s E CC 82 ( 12A U7)Page 11 Brimar thermionic products ECC82 (12AU7)Page 12 Brimar thermionic products ECC82 (12AU7)Page 13 Brimar thermionic products ECC82 (12AU7)Page 14 Brimar thermionic products ECC82 (12AU7)