Made in Hamburg - W.Germany by Valvo.
Gold pins, Pinched Waist, Triple mica and O-Getter with double support. Some marked Valvo 6201 with blue print but they are the same. One of three highest grade 12AT7s (GEC A2900, Valvo 6021, Telefinken ECC801S, ). Great bass control and sweet midrange, very musical. Long life tube. Nos in original box. Matched pair are available.
Made in Holland by Philips.
Miniwatt SQ (Special Quality) E188CC or 7308.
A frame tubes with gold pins, O-Getter.
One of great tubes in 6DJ8 / 6922 family.
Nos in box. Matched pair are available.
Made in W.Germany by Siemens 1979.
Gold pins version, O-Getter. Very rare today.
Super balanced sounding. Long life tube.
Nos in original metal can. Matched pair are available.
Made in Holland by Philips.
SQ (Special Quality) E188CC or 7308.
A frame tubes with gold pins, O-Getter.
One of great tubes in 6DJ8 / 6922 family.
Nos in original box. Matched pair are available.
Made in W.Germany by Siemens & Halske.
Lable showed Philips Special Quality
Triple mica and O-getter, single support. One of the great version from Siemens.
Very balanced and detailed sounding. Great 12AU7s. Hard to find today.
Nos in original box. Matched pair are available.
Made in Holland by Philips.
Pinched Waist version with D-Getter. Super rare tube today, Very very hard to find.
Long life and super detail and balance sounding with great bass. Like the CCa, this version is one of the best in top-five list of most wanted E88CC / 6922 tubes.
Nos in original box. Matched pair are available.