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Upgrading Leak TL12Plus Monoblocks

Wharfedale Linton Heritage Speakers

radium7

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Nov 25, 2011
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These beautiful sounding Monoblocks belong to a FM friend. We are collecting components to upgrade these amp.









 
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radium7

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Nov 25, 2011
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we already changed the coupling caps from polyester caps to russian oil caps and cathode bypass caps are changed from keltron to Panasonic FC caps. We need to change the power stage caps from Keltron to some caps suitable for tube sound. we planned to go for F&T.
 

linuxguru

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Feb 1, 2010
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we already changed the coupling caps from polyester caps to russian oil caps and cathode bypass caps are changed from keltron to Panasonic FC caps. We need to change the power stage caps from Keltron to some caps suitable for tube sound. we planned to go for F&T.

IMHO, Panasonic FCs tend to be harsh-sounding and metallic at various locations in the signal path. My measurements show that they're not particularly linear, and the leads are also magnetic. Panasonic FMs are much more linear, and generally sound better in the signal path. You may want to consider Elna Cerafine or RJ4/RJ5/RFO/RW5, if you have access to them in the required values.

Other choices for audio include NOS Rubycon Black Gate (various), Sanyo Oscon (various), Rubycon YXA/YXG, Nichicon KG/KZ/FG etc. In most cases, you will not find axial-lead caps for use on group boards, and you will have to use radial-lead caps with the leads bent perpendicular to the can.
 
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