VINTAGE Realistic 6BL8/ECF80 VACUUM TUBE

Brand Realistic Lifetime
Model 6BL8
Type Triode Pentode
Use Vf 6.3 Volts / If 0.43 Ampere / Indirect / Parallel, (AC/DC)
Medium Mu Triode + Sharp Cut-off Pentode
For use as a frequency changer in television receivers
Similar/Equiv ECF80

                     CV521