Sound differences of Magnequest upgrades

FraGGleR · 5428

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Offline johnsonad

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Reply #15 on: June 03, 2013, 03:00:35 PM
In my short time in owning a S.E.X. Amp I've found it responds very well to changes. If you are looking to tailor the sound, consider different coupling and parafeed caps first. I was very surprised at how much of a difference in sound they can make. Two other things to consider are grid chokes and replacing the last power supply cap (22uF) with some type of film cap. I have done all of these to mine, one at a time and am startled at how good it sounds now. By far the easiest and largest change in sound has came from trying different parafeed capacitors.

IMHO, I would stick with the stock Bottlehead iron and tailor the sound to your tastes with the above mentioned mods.


Aaron Johnson


Offline royewest

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Reply #16 on: June 26, 2013, 06:54:48 PM
My family gave me the full-nickle transformers as an upgrade to my S.E.X. amp a couple of years ago and it was transformative -- if you'll forgive the pun. I upgraded some caps (Obligattos), the Pot (Alps), and added the C4S board, but the nickle was the trick for my system -- driving HD650s and Zu Druid Credenzas.



Offline FraGGleR

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Reply #17 on: June 28, 2013, 08:22:26 AM
My family gave me the full-nickle transformers as an upgrade to my S.E.X. amp a couple of years ago and it was transformative -- if you'll forgive the pun. I upgraded some caps (Obligattos), the Pot (Alps), and added the C4S board, but the nickle was the trick for my system -- driving HD650s and Zu Druid Credenzas.

Which edition did you have?  Apparently, the 2.1 transformers are good enough that it might not be worth the $400 to get full nickels.

Resonessence Concero -> Bottlehead S.E.X. 2.1 -> HD800