This is a special high quality version made by Sylvania. Excellent choice for any 12AT7 application. Tested Good For Gain, Transconductance, Noise and Microphonics
New Old Stock * No longer available for export MFR: Sylvania SKU: 6201-GOLD-SYL
6922 / E88CC is a "premium grade" version of the 6DJ8. Most have gold plated pins, but many Sylvania manufactured 6922's have steel pins (a few Sylvania's are gold pin).
New Old Stock * No longer available for export MFR: Made in Russia