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Sylvania 5R4GYB - smooth black plates

Sylvania 5R4GYB - smooth black plates
Price: $24.00
1 in stock
Item Number: 911
Manufacturer: Sylvania
This 1960s Sylvania 5R4GYB rectifier tube has a tall bottle, smooth black plates, and a side O getter. The yellow label on the glass has the Sylvania logo (partial/missing).
Tube tests as new with balanced sections. It ships in a new white box.
This tube is sold individually. Photo is a sample from the lot.

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RCA 5R4GYB - matched pair
RCA 5R4GYB - matched pair
Price: $69.00
RCA 5R4GYB - matched pair
The 1970s RCA 5R4GYB rectifier tubes in this precisely matched pair have smooth black plates, side O getters, and black or brown bases. The red print on the glass has the RCA logo. Both tubes test as new.
TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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