Capacitor


Dear friends I am interested to upgrade my caps in the tube preamp from Audio theta tin foil 3uf200VDC to Miflex1uf 240VDC copper foil what are your thoughts will reducing the value to 1uf affect the bass and frequency response or should I go with a higher value than 3uf  
128x128jasbirnandra
Yes indeed. Agreed. The Cutf .01uf and Odam do make magic together in electronics such as your Pre. I use the combo all the time in Orchid dac upgrades.  
There are a bunch of very good caps ,I have over 20 years between electronics ,and Loudspeakers , I have  Vh Odams in a dac. And in a speaker ,very good capacitors . Millflex copper paper poly oil caps very respectable .
but, I find Jupiter copper foil caps outstanding in image depth tone and Bass not perfect but very good on top , the best bypass capacitors higher then 100 volts 
Are without question the VH audio CU -Copper Teflon caps which are VH Audio best capacitors .I mixed roughly 2+% ,to the Jupiter
copper foil coupling caps in the preamplifier ,A great combination now it is open airy and have excellent precision as well as very natural musicality .
personally I like better then  any capacitor out there including Duelund .
everyone has a opinion but unless you have tried this combination ,you are missing a special combination.
I’ve committed to ODAMs so Jupiters are not in my future, but @jasbirnandra may be interested as he said he is going Jupiter.

I’m now pondering sizing the bypass. I see suggestions of 0.01uF and also 1% to 2%, which would be 0.033uF to 0.068uF.

I’m a "go big or go home" person, so I’m considering trying a single pair of 0.068uFs. If the sound gets a little zippy, I’ll leave the 2nd pair of ODAMs un-bypassed.
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Have fun and be truly happy.


R.


@audioman58  I had for 3-4 months a Coda amplifier and are really good, unfortunatelly a manufacturer with low profile but very good one.