Transformer Based Passive Preamp

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I was searching here a week or two ago for any info on Transformer based Passive Preamps and I coiuld not find anything. The current UK HI-Fi News (October 2004) has a review of the Music First Audio 'Passive Magnetic Pre Amplifier' and they like it very much.

I assume that the key to these type of product os the quality of the Transformers and that these transformers are very specialialized, however does anyone know of any information DIY versions?

Thanks
 
Hi wytco0,

Yes I have build one some years ago from the French "La Maison de L'Audiophile". Very simple design. But sounds very nice.
Can give you later this week more info, because I'm out from home till Friday.

Rgds

Gerd
 
Konnichiwa,

wytco0 said:
I was searching here a week or two ago for any info on Transformer based Passive Preamps and I coiuld not find anything. The current UK HI-Fi News (October 2004) has a review of the Music First Audio 'Passive Magnetic Pre Amplifier' and they like it very much.

I assume that the key to these type of product os the quality of the Transformers and that these transformers are very specialialized, however does anyone know of any information DIY versions?

The transformers used by MF-Audio are custom versions of the Stevens & Billington TX-102 MKIII Attenuator transformer:

Magnetic Volume Control TX102

Seeing as you are in Hastings, why not give S&B a ring?

Sayonara
 
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