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In Reply to: RE: twin rectifier power supply 1 SS + 1 tubed? posted by DAK on August 01, 2016 at 22:50:24
SS rectifiers in front of 5AR4's. They do the heavy work, the 5AR4 further reduces the ripple and as mentioned elsewhere, you have the slow turn on. I also used a thermistor to ease the stress on the tube rectifiers.
iBasso DX100,DX50 DX90. Chord Hugo. HiFiman 901s balanced. RSA Intruder, The Lightning. Fostex TH900 balanced, HE1000, HE-6, 560, 500, JH13 Pro balanced. Lyr2, Audeze. Balanced mostly with Whiplash cables. Photo gallery: www.pbase.com/jamato8
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with the high voltage supply. Or are they in parallel like the rectifiers shown in the Mission Amp as posted by FenderLover, but without the switch?
I put the SS in front of the tubes to do the initial rectifying, which also take stress of of the tubes and they last a lot longer. The voltage is dropped by the tubes and you should come out about the same.
iBasso DX100,DX50 DX90. Chord Hugo. HiFiman 901s balanced. RSA Intruder, The Lightning. Fostex TH900 balanced, HE1000, HE-6, 560, 500, JH13 Pro balanced. Lyr2, Audeze. Balanced mostly with Whiplash cables. Photo gallery: www.pbase.com/jamato8
I tried both ways and it made no difference. The B+ came up immediately so no slow voltage ramp up. Is you ss rectifiers grounded?
When i tried putting a ss octal socketed rectifier in my amp the voltage came up immediately.
Edits: 08/05/16
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