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News: Come see us February 11, 8-5 at the Head-Fi meet at the Burlingame Double Tree Hotel, Burlingame, CA. We'll be bringing lots of headphones and amps, and our prototype tube DAC used with our music server and the latest version of Amarra.

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Author Topic: PT-2 diode bridge question  (Read 735 times)
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ssssly
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« on: January 31, 2010, 03:56:31 AM »
Is the diode bridge for the PT-2 the same as for the Hammond that came with the Paramour 1?

Looking to get some Schottky diodes for the P1 new project and don't but the wrong thing?
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Paul Joppa
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« Reply #1 on: January 31, 2010, 02:03:42 PM »
No, they are different.

The Hammond was a conventional tube circuit with center-tapped HV winding. It used two diodes rated 1000 volts. The PT-2 is a single winding and needs a full-wave bridge rectifier of four diodes, rated 500v minimum.  If you have the PT-2 and are embarking on a rebuild, the 600v Schottky diodes are suitable; for the Hammond you need the 1200v ones which are more expensive.
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