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Sounds like an ideal application for an SMPS. I use them exclusively now for heater supplies in my tube mixers and they are far quieter than any linear supply I have built as well as not suffering from magnetic coupling to mic transformers. I use MeanWell SMPS as I have found them to be consistently quiet and reliable and I do not nrmally ad any additional filtering. Remember to rate the supply to approximately double the nominal heater power being drawn. This allows the hiccup mode of current limiting that Meanwell uses to cope easily with the tube's inrush current.Living the dream eh? Me too. I am 72 and becoming creakier by the day. Soldering and cabling is not too bad but the heavy mechanical of mixers are becoming increasingly difficult.I cannot help with the X (my wife. and I celebrate 50 years marriage this year) but I think and SMPS has a very good chance of minimising if not eliminating you rhum problems.CheersIan
Sounds like an ideal application for an SMPS. I use them exclusively now for heater supplies in my tube mixers and they are far quieter than any linear supply I have built as well as not suffering from magnetic coupling to mic transformers. I use MeanWell SMPS as I have found them to be consistently quiet and reliable and I do not nrmally ad any additional filtering. Remember to rate the supply to approximately double the nominal heater power being drawn. This allows the hiccup mode of current limiting that Meanwell uses to cope easily with the tube's inrush current.
Living the dream eh? Me too. I am 72 and becoming creakier by the day. Soldering and cabling is not too bad but the heavy mechanical of mixers are becoming increasingly difficult.
I cannot help with the X (my wife. and I celebrate 50 years marriage this year) but I think and SMPS has a very good chance of minimising if not eliminating you rhum problems.
Cheers
Ian
