Bottlehead Kits > BeePre

BeePre Input Transformer Modification

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Deke609:
You can use "Way Back Machine": http://web.archive.org/web/20170716200138/https://bottlehead.com/bee-pre-input-transformer-modification/

Brissie:
This link shows the full set of pictures: https://web.archive.org/web/20150929102753/http://bottlehead.com/bee-pre-input-transformer-modification/

denteom:
Hi PB:
Do you have a photo of the xlr inputs and transformers topside?  The Cinemag transformer does not look aesthetically pleasing.  But I know the material they use is of good quality mu-metal I think.  I watched Steve Guttenberg youtube channel wherein he was featuring Devon Turnbull.  He held up a Cinemag transformer, showing it had octet like feet, so he can put it in and pull it out easily.  Not sure if that was his modification or you could order that directly from Cinemag.  You should watch it.  It's pretty cool.
Dennis

Paul Birkeland:
There are no provisions on the BeePre for an octal based input transformer.  I'm not even sure there's room.

I've attached the only photo of Cinemag input transformers I have, which is a local friend of mine who I convinced to build his BeePre into a metal case.  I had to space them off the chassis a bit since they were hitting mounting screws for the input selector board, so that's why they look a little odd and have a squishy washer under them. 

I cannot imagine how something like this would or wouldn't be aesthetically pleasing.  These are metal cans that live in the back of the chassis where all the cabling is coming in/out.  They are mostly invisible and you really want a well shielded can over anything else. The threaded bushing mount is a good way to ensure that the shielding of the can is well bonded to the chassis.

denteom:
Thanks, for the photo. It looks nice with the metal casing. Might look different in a Beepre 2 default casing.  But the default casing would be much easier to fix and troubleshoot especially for beginners like me.  Using the default casing would have the metal cans sticking on the top.  Really enjoying the Beepre2.  Looking at the photo, I'm starting to have an upgrade itch, but that is for another time.  For now just exploring music.

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