Sylvania (RCA) 5R4GY Brown Base Rare Rectifier Vintage Tube Great Condition Tested Very Strong

S$ 68.0

FREE shipping with SingPost normal mail. Top up S$4 for Qxpress delivery.

Overseas postage flat rate S$15. Contact us for order. We will create an invoice for your payment in credit card. Combined postage is possible.

  • Sounds almost identical to 5U4GB but with a slight added improvement in bass further
  • While this is branded Sylvania, it is in fact made by RCA
  • Brown Base 5R4GY is rare and they are getting harder to get hold of
  • Comes in white box.
  • All vintage tubes come with 1 month warranty.

Out of stock

Description

Authentic & Tested. Tubes we sell are ALL tested unless otherwise stated! All tubes are cleaned and well-taken care. Look at the photos for the highly crystal-clear glass and clean pins despite being over half a century old!

FREE shipping with SingPost normal mail. Top up S$4 for Qxpress delivery.

Overseas postage flat rate S$15. Contact us for order. We will create an invoice for your payment in credit card. Combined postage is possible.

For vintage tubes, American tubes offer fantastic performance value for money. The quality these tubes possess is unrivalled compared to today’s reissues without costing such a premium like vintage European counterparts.

Rectifier tubes tend to be underrated in amps, but fact is they should not. A good rectifier allows the rest of the power tubes in the amp to perform even more optimally, resulting in better sound more than you can imagine. They do change and improve the sound with great vintage tubes, and for quite significant measures.

274B/GZ34/5AR4/5U4G/5R4 are all interchangeable rectifier tubes.

Sylvania tubes are often sitting in the middle between GE (value) and RCA (performance). I always tell customers to go for Sylvania tubes because they just perform so well for the price. One can never be disappointed with Sylvania tubes as they will upscale the performance of your amp no matter what. I am that confident.

RCA tubes are often the best in class of performance for tubes made in USA. The quality of RCA tubes are undoubtedly superior and that also explains the higher cost of RCA tubes.

Compared to the 5U4GB, this 5R4GY sounds almost identical but with a slight added improvement in bass further. While this is branded Sylvania, it is in fact made by RCA. And that means the quality you are getting is identical to owning an RCA but at a cheaper cost! Brown Base 5R4GY is rare and they are getting harder to get hold of.

Rectifier tubes are tested from supplier with TV-7 vintage tube tester. Information of test readings are obtained from them. Typical new rectifier tube values are 50/50, with minimum values at 40/40.

Tube reading = 57/56

Comes in white box.

All vintage tubes come with 1 month warranty.

See how we test tubes here.

What you see is what you get. When we sell tubes we always will take various angles of it so to make sure what you select is exactly what you saw. No substitutions, no dishonest replacements.

Note: unless specifically mentioned, we do not label our out-of-production tubes as NOS (New Old Stocks), a term so commonly branded in many tubes seller. There can almost never be any guarantee these out-of-production tubes are NOS; they were mostly made in the middle of 20th century!! Who tells the tale that they are still new?? No doubt there will still be, but the changes of hands of all these stocks made this verification too difficult. To us, tubes can test excellent or test like new, but we call them all vintage tubes.

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