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Philips MFB speakers

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Fatmangolf View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fatmangolf Quote  Post ReplyReply Direct Link To This Post Posted: 16 Aug 2021 at 7:29pm
I have decided to go through replacing the electrolytics inside my RH544 speakers. It may improve the sound slightly and will give me decades of listening pleasure.


Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fatmangolf Quote  Post ReplyReply Direct Link To This Post Posted: 17 Aug 2021 at 8:14pm
More decades of listening pleasure. I'll look at some of the other capacitors at the same time.

Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fatmangolf Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 2021 at 8:45pm
The parts are here thanks to MFBfreaks. There's going to be some soldering this weekend!
Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fatmangolf Quote  Post ReplyReply Direct Link To This Post Posted: 21 Aug 2021 at 10:06am
I replaced 30 electrolytics in each speaker with standard modern equivalents, nothing exotic. It took me about four hours plus resetting the four amps' bias levels and MFB gain. Well worth the cost and time for the extra clarity and separation between different instruments. The main supply capacitor is a larger value (6800uF in place of 4700uF), otherwise it is the same or close values throughout. So I am hearing the electronics as if factory fresh in the mid-seventies and I like the music I am hearing even more than last week.

It is raining outside so a lazy day of listening to music is tempting me! No I will get some exercise...  Maybe I could play another album first...


Edited by Fatmangolf - 21 Aug 2021 at 10:13am
Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.
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