Tubes Asylum

GZ34 vs GZ37

96.10.26.34

I recently changed from GZ37s to GZ34s as the rectifiers in my Cary SLA-70B amp. I appreciate everyone's help in selecting the GZ34's. I got a pair of used Mullards with thick black bases and double "D" getters. The results were amazing! It is not just that the highs are clearer and the base is tighter, everything is better and more true. I use Amperex long plates with "D getters as phono tubes. They used to sound a little thin. Now they have a rich mellow sound, without any loss of detail. The GZ37 is definitly not an exact substitute for the GZ34. In some applications it works better, but in my system changing to the GZ34s was an unqualified upgrade.

Hujo

Follow Ups:

Just went from GZ34 to GZ33 - Maxamillion 22:12:33 05/29/09 (4)
- GZ37 and GZ33 current capabilities are essentially equal... - Steve O 11:00:42 05/30/09 (3)
  - RE: GZ37 and GZ33 current capabilities are essentially equal... - Maxamillion 21:29:00 05/30/09 (2)
    - RE: GZ37 and GZ33 current capabilities are essentially equal... - Maxamillion 21:33:43 05/30/09 (1)
      - Check This Out.... - Steve O 18:30:07 05/31/09 (0)
RE: GZ34 vs GZ37 - Steve O 17:38:22 05/27/09 (1)
- RE: GZ34 vs GZ37 - PakProtector 16:58:48 05/28/09 (0)

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