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I have had a Cary SLP-05 pre-amp for about 5 years. I got it as a demo from a local shop. They said they had changed the 6SN7s but I did not think they changed the rectifier tube. Since I have had it it has been on pretty much continuously. It recently blew a fuse so I decided to change the rectifier tube. I got a new production Mullard GZ34. When I took the Cary apart I was expecting to find a Ruby or EH tube, but found a RCA tube labelled 5AR4 GZ34 USA (separate lines) on one side and RCA A3B on the other. The 3 is a little fuzzy, but I think that is what it is. The writing is gray. It has a black base which says USA on the bottom. It is taller than the Mullard that I replaced it with and it just barely fits in the Cary. Anyone have any information on this tube? I'll also check with the original shop to see if they remember. I am just curious to what I have been listening to for the last 5 years.
The new tube has more attack and better bass, so I am happy with the change.
Thanks for any info.
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Topic - RCA 5AR4/GZ34 USA - dtc 15:11:28 05/01/15 (14)
- RE: RCA 5AR4/GZ34 USA - skriefal 16:05:39 05/01/15 (13)
- RE: RCA 5AR4/GZ34 USA - dtc 18:45:32 05/01/15 (5)
- RE: RCA 5AR4/GZ34 USA - skriefal 19:09:31 05/01/15 (4)
- RE: RCA 5AR4/GZ34 USA - dtc 19:35:50 05/01/15 (3)
- Those are mislabeled 5AR4 - FenderLover 23:02:01 05/01/15 (2)
- RE: Those are mislabeled 5AR4 - dtc 06:48:03 05/02/15 (1)
- RE: Those are mislabeled 5AR4 - FenderLover 07:20:33 05/02/15 (0)
- RE: RCA 5AR4/GZ34 USA - dtc 16:40:53 05/01/15 (2)
- RE: RCA 5AR4/GZ34 USA - skriefal 17:48:41 05/01/15 (0)
- RE: RCA 5AR4/GZ34 USA - skriefal 17:48:03 05/01/15 (0)
- RE: RCA 5AR4/GZ34 USA - dtc 16:31:43 05/01/15 (3)
- RE: RCA 5AR4/GZ34 USA - dtc 16:37:37 05/01/15 (2)
- RE: RCA 5AR4/GZ34 USA - dtc 16:39:36 05/01/15 (1)
- RE: RCA 5AR4/GZ34 USA - FenderLover 18:45:54 05/01/15 (0)