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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: 5R4 GY coke bottle and 5R4 GYA and other 5R4 posted by John PA on November 27, 2024 at 11:17:48:
The GZ34/5ar4 is indirectly heated. The 5r4 is directly heated.
Directly heated tubes are ready to conduct almost immediately once you throw the switch.
Tre'
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Follow Ups
- RE: 5R4 GY coke bottle and 5R4 GYA and other 5R4 - Tre' 15:48:25 11/27/24 (14)
- Yes, but not . . - John PA 17:48:56 11/27/24 (13)
- RE: Yes, but not . . - Tre' 19:46:48 11/27/24 (12)
- Yes but this is a new. . - John PA 19:57:04 11/27/24 (11)
- RE: Yes but this is a new. . - Tre' 08:21:35 11/28/24 (10)
- You know, I don't know. . - John PA 12:07:28 11/28/24 (9)
- RE: You know, I don't know. . - Triode_Kingdom 15:11:34 11/28/24 (8)
- KT170. . . - John PA 21:16:19 11/28/24 (7)
- RE: KT170. . . - Triode_Kingdom 08:05:28 11/29/24 (6)
- I sent the spec sheets to Cayin. . . - John PA 10:04:27 11/29/24 (5)
- RE: I sent the spec sheets to Cayin. . . - Triode_Kingdom 12:46:47 11/29/24 (4)
- I was a code specialist but . . - John PA 15:07:13 11/29/24 (3)
- RE: I was a code specialist but . . - Triode_Kingdom 20:55:29 11/29/24 (2)
- We had teletype but what I meant was that. . . - John PA 08:29:57 11/30/24 (1)
- RE: We had teletype but what I meant was that. . . - Triode_Kingdom 09:53:20 11/30/24 (0)