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RCA 5R4GYB - matched pair

RCA 5R4GYB - matched pair
Price: $69.00
1 matched pairs in stock
Item Number: 738
Manufacturer: RCA
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. They ship in their original boxes.
 
These tubes are sold as a matched pair. Photo is a sample pair from the lot. Singles, when available, are listed as Item 741.

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RCA 5R4 / 5R4GY - ST bottle, brown base
RCA 5R4GY - brown base, tilted bottle
Price: $39.00
Sale Price: $29.25
RCA 5R4GY - brown base, tilted bottle
This 1956 RCA 5R4GY rectifier tube has an ST bottle, smooth black plates, and a bottom D getter. Its brown base has the RCA logo in black print. Tube tests as new with balanced diode sections. It is discounted for a tilted bottle.
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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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