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31st March 2012, 08:23 AM
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#323 |
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diyAudio Member
Join Date: Jun 2009
Location: Hamburg / Germany
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... and I can tell you:
The sound is as superb as the quality of the PCBs. Best regards - Rudi_Ratlos |
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31st March 2012, 08:27 AM
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#324 |
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diyAudio Member
Join Date: Aug 2005
Location: Scottish Borders - Kelso; on the famous Tweed River!
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Rudi - This - I hope - is my last BoM question!
Will you please recommend a main heatsink profile and size please. (Fischer?) And for interests sake, which preamp/buffer do you use to drive this amp? |
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31st March 2012, 09:32 AM
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#325 |
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diyAudio Member
Join Date: Jun 2009
Location: Hamburg / Germany
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Brianco: your questions are always welcome
 .I do not use a Pre-AMP / Buffer at all. (You have the builder's manual! Take care of the values of resistors R29, R30 and R36!) I use a source-selector (a small DIY relay - PCB: my sources are CDP, MP3-Player and DAC) and the Lightspeed - Volume-Attenuator (you can take a "good" dual log. potentiometer as well). Regarding the heatsink: I use an ALU-L - profile: 40 x 40 x 4mm. This heatsink:  http://www.abload.de/img/kke0usm.png for example, is very well suited. Best regards - Rudi Last edited by Rudi_Ratlos; 31st March 2012 at 09:35 AM. |
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31st March 2012, 10:18 AM
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#326 |
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diyAudio Member
Join Date: Aug 2005
Location: Scottish Borders - Kelso; on the famous Tweed River!
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@Rudi,
Again, many thanks. Without your advice I would have chosen a much bigger heat-sink....at a lot more money!!!! So your advice has saved me a lot of time and money!!! Thank you again. Brian |
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31st March 2012, 11:16 AM
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#328 |
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diyAudio Member
Join Date: Jun 2009
Location: Hamburg / Germany
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Greetings to Scotland - Rudi
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31st March 2012, 11:55 AM
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#330 |
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diyAudio Member
Join Date: Jun 2009
Location: Hamburg / Germany
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Gentlemen,
once you have built these boards: listen to Eva Cassidy, Jennifer Warnes, ... You want stop listening any more .... Best regards - Rudi (not RATLOS any more) P.S.: Maybe my FC-100 (Mihai's - ROENDER's design) - Roender's FC-100 Rev.1 Group-Buy) - may be a worthy rival ... Last edited by Rudi_Ratlos; 31st March 2012 at 12:22 PM. |
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They look fantastic!
