This listing is for 2 NOS NIB tubes that were SEALED in military storage Styrofoam tubes. These are brand new, NOS valves. They are small dual triode tubes featuring gray plating, triple mica, and one O-ring shaped getter. Manufactured in Germany during the 1960s. Both tubes have the etched codes: RØ 1≠ 6K.
VINTAGE NOS PAIR AUDIO PREAMP VALVES!
Shipping via registered airmail with tracking number. Import fees for U.S. buyers are included in the shipping cost under the new tariff regulations. Other methods available upon request.