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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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I just purchased a tube headphone amp, but the seller did not have the power supply. The amp is the Consonance Cyber 20 by Opera Audio. The three pins on the connector lead to the heater pins on the el84s and pin 1 on the 12au7(anode) and I'm assuming that the screw part of the connector is the ground. So it looks like I need a power supply with a 6.3V and a 300V winding. According to the specs the amp draws 25w.
What would be the best source for the transformer and is it possible to get the type of connector on the back of the amp.
Are the any after market power supplies that would just be a drop in replacement? The manufacturer wants $260 for the original power supply which seems a little steep.
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Topic - Need to build/buy a power supply - 1974 16:44:55 01/24/25 (16)
- RE: Need to build/buy a power supply - 6bq5 11:47:08 01/29/25 (0)
- Hmm. Am I missing something? - 1973shovel 08:54:17 01/25/25 (1)
- Great question. nt - Tre' 12:06:14 01/25/25 (0)
- RE: Need to build/buy a power supply - FlaCharlie 08:11:21 01/25/25 (12)
- RE: Need to build/buy a power supply - Triode_Kingdom 18:51:51 01/25/25 (11)
- RE: Need to build/buy a power supply - 1974 05:45:19 01/26/25 (10)
- 3 wires is all you need. The heater and the 300vdc share a ground wire. - Tre' 17:45:46 01/27/25 (0)
- RE: Need to build/buy a power supply - 1974 07:05:32 01/26/25 (8)
- Yep, no power supply in there... (nt) - Triode_Kingdom 09:14:43 01/26/25 (7)
- I wonder if "AC In" is in reference to the level of ripple in their power supply? - 1973shovel 05:39:23 01/27/25 (6)
- RE: I wonder if "AC In" is in reference to the level of ripple in their power supply? - 1974 07:12:22 01/27/25 (5)
- "hoping that building a power supply would be simple" - 1973shovel 07:43:16 01/28/25 (2)
- RE: "hoping that building a power supply would be simple" - 1974 08:29:14 01/28/25 (1)
- RE: "hoping that building a power supply would be simple" - FlaCharlie 12:45:50 01/28/25 (0)
- RE: I wonder if "AC In" is in reference to the level of ripple in their power supply? - FlaCharlie 09:05:56 01/27/25 (1)
- RE: I wonder if "AC In" is in reference to the level of ripple in their power supply? - Triode_Kingdom 14:27:49 01/27/25 (0)
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