F5 power amplifier - Page 1150

c_door · 29th December 2011, 09:04 AM

these 47.000 63V PEH169 would be monsters ! One of them weighs 800g, while the same capacitance on the PEH200 40V series is "only" 245g

AndrewT · 29th December 2011, 10:05 AM

David,
have you fused the main power rails between amp and smoothing?

dvb-projekt · 29th December 2011, 11:25 AM

Quote:

Originally Posted by c_door

these 47.000 63V PEH169 would be monsters ! One of them weighs 800g, while the same capacitance on the PEH200 40V series is "only" 245g

You could also look to the new Mundorf M-Lytic HC 2-pole or 4-pole caps

c_door · 02:23 PM

Quote:

Originally Posted by dvb-projekt

You could also look to the new Mundorf M-Lytic HC 2-pole or 4-pole caps

I've seen them. They are priced like jewelry and labeled as "audiophile", something I don't like so much. Anyway, thanks a lot for your suggestion! ciao

holminator · 29th December 2011, 05:52 PM

That Mundorf M-Lytic HC looks exactly the same as my FT serie GW: Elektrolyt-Kondensatoren mit Gewindeanschluss - FTCap Fischer & Tausche Capacitors Group

Wonder how they optimized them for use in audio....

AndrewT · 29th December 2011, 06:14 PM

They asked the oem to show their Mundorf data & logo on the caps.
Then doubled the price, or could it have been tripled the price?

tinitus · 29th December 2011, 07:13 PM

Quote:

Originally Posted by holminator

That Mundorf M-Lytic HC looks exactly the same as my FT serie GW

I dont think can size is exact the same
but no doubt made by FT

jacco vermeulen · 29th December 2011, 07:52 PM

Quote:

Originally Posted by holminator

looks exactly the same

Considering that F&T manufactured the first 4-pole lythics (me bought 4-paws in mid '80s), maybe not that surprising.
Fewer number of capacitor manufacturers than brands, in particular nowadays.

c_door · 10:35 AM

So guys, please give me your last sentence for an F5 mono amp.
I've narrowed my choice to:
RIFA PEH169 22.000uF 40V 105c x 4
RIFA PEH200 47.000uF 40V 85c x 4
Both of them are stud mount with very good ESR and L figures.
The latter doesn't sport the "EE.UU. made" label (China..?), while the 169 does it, at least on pictures.

Thanks a lot. Have a great diy new year (I mean for audio

)

tinitus · 30th December 2011, 10:50 AM

Quote:

Originally Posted by c_door

The latter doesn't sport the "EE.UU. made" label (China..?), while the 169 does it, at least on pictures.

one way would be to look at RIFA spec sheet, and carefully check can sizes, and watch if it matches other specs

30th December 2011, 10:28 AM	#11499
c_door diyAudio Member Join Date: Jan 2006 Location: Milano, Italy	So guys, please give me your last sentence for an F5 mono amp. I've narrowed my choice to: RIFA PEH169 22.000uF 40V 105c x 4 RIFA PEH200 47.000uF 40V 85c x 4 Both of them are stud mount with very good ESR and L figures. The latter doesn't sport the "EE.UU. made" label (China..?), while the 169 does it, at least on pictures. Thanks a lot. Have a great diy new year (I mean for audio ) Last edited by c_door; 30th December 2011 at 10:35 AM.

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29th December 2011, 09:04 AM	#11491
c_door diyAudio Member Join Date: Jan 2006 Location: Milano, Italy	these 47.000 63V PEH169 would be monsters ! One of them weighs 800g, while the same capacitance on the PEH200 40V series is "only" 245g

29th December 2011, 10:05 AM	#11492
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	David, have you fused the main power rails between amp and smoothing?

29th December 2011, 05:52 PM	#11495
holminator diyAudio Member Join Date: Feb 2010 Location: Oslo	That Mundorf M-Lytic HC looks exactly the same as my FT serie GW: Elektrolyt-Kondensatoren mit Gewindeanschluss - FTCap Fischer & Tausche Capacitors Group Wonder how they optimized them for use in audio....

29th December 2011, 06:14 PM	#11496
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	They asked the oem to show their Mundorf data & logo on the caps. Then doubled the price, or could it have been tripled the price?