K272 Stereo Tube Preamplifier – Headphone Driver kit $27AU
http://oatleyelectronics.com/product_info.php?products_id=805 (http://oatleyelectronics.com/product_info.php?products_id=805)
This low cost tube preamplifier lets you experience "tube sound". on two low power consumption Raytheon JAN6418 sub-miniature pentodes that in this application are used as triodes. Comentarios/montaje del kit:
JAN6418 Valve (Tube) Preamplifier / Headphone Amp Kithttp://diyaudioprojects.com/Tubes/6418-Tube-Preamp-Headphone-Kit/ (http://diyaudioprojects.com/Tubes/6418-Tube-Preamp-Headphone-Kit/)
http://diyaudioprojects.blogspot.com/2009/08/6418-sub-miniature-tube-preamp.html (http://diyaudioprojects.blogspot.com/2009/08/6418-sub-miniature-tube-preamp.html)
(http://diyaudioprojects.com/Tubes/6418-Tube-Preamp-Headphone-Kit/upgraded-JAN6418-Tube-Preamp-Head-Amp-Kit.jpg)
(http://diyaudioprojects.com/Tubes/6418-Tube-Preamp-Headphone-Kit/6418-sub-mini-Tube-Preamp-Head-Amp-Kit.jpg)
Si buscan un "kit" para construir un pre-amp y un headphone amp talvez deberian de mirar en Bottlehead! http://www.bottlehead.com/store.php?crn=220&rn=438&action=show_detail
(http://www.bottlehead.com/sc_images/products/438_image.jpg)
(http://www.bottlehead.com/sc_images/products/underside.jpg)
(http://www.bottlehead.com/sc_images/quickiepartsredsmallvin.jpg)
Todo esto por $99 USD mas envio, lo que falta es la caja que puede ser de metal/plastico/madera. ;)
Vaya, pues tienen una pinta estupenda estos dos amplis/previos, con estas cosas tengo que controlarme porque si me dejo llevar acabaría con la casa más "llena de amplis (o proyectos de ampli) de lo que ya está" oo).
-- o --
Rodrigo