Matched Pair
Mullard
GZ34/5AR4
O-Getter
Rectifier Vacuum Tube
Made in Blackburn England.

Labeled as Sylvania.

7 Notch Version.

Etched Date Code on Glass: f32 B9A3 & f32 B9A2
Both tubes are made in January 1969 in Blackburn England.

Fully tested by calibrated Hickok 539C tube tester
with no shorts, leakage or gas. 

Measurement:
166/168
166/169
where minimum good value is 54

Tightly matched strong pair!
 
I will gladly combine shipping upon request.

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The tube(s) in this sale include a 30-day satisfaction guarantee.
I strive to ensure you have a completely satisfactory purchase experience.
If you are unhappy with your purchase for any reason,
you can return the item for a full refund.

Please contact me directly prior to opening a return or leaving feedback.
I will almost always reply at least within 24 hours 
to remedy the situation for you with direct communication.