6201

The 6201 (European type E81CC) is a dual-triode tube with a 9-pin miniature (noval) base. It is a high-reliability version of the 12AT7 (ECC81).

A 6201 is used as the variable reactance tube for the VCO in Nelson-Ross spectrum analyzer plug-ins such as the Nelson-Ross PSA-011.

Links

• General Electric 6201 Data Sheet (PDF)
• 6201 @ radiomuseum.org