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Salas SSLV1.3 UltraBiB shunt regulator
Salas SSLV1.3 UltraBiB shunt regulator
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Old 26th November 2018, 08:22 PM   #831
Salas is offline Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
Can also position Ubibs along their sides with M1 M2 holding them down as they sink to the chassis floor. There is provision for a screwdriver not to be blocked by parts when reaching to the Mosfets. Choosing low profile electrolytics also, so the regs can bunch closer together. Like Epcos C1 and Panasonic FM C2 C3.
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Old 26th November 2018, 10:14 PM   #832
dewdrop is offline dewdrop  Singapore
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Salas SSLV1.3 UltraBiB shunt regulator
Quote:
Originally Posted by vgeorge View Post
Have you consider to stack the toroids to save space?
If your case height permits of course.
@vgeorge, that's a brilliant idea, I tried but there isnt sufficient clearance. :-(
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Old 1st December 2018, 11:02 PM   #833
orelli is offline orelli  Italy
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I've upgrated the FSP with Ultrabib 1.3 and now it's another story.
Everything is much better, clarity, transparence, dinamic, soundstage and energy.
My FSP is balanced, yes I've two printed circuit everyone managing the + and - of the
cartridge output. The gain is 56dB with only one K369.
I desoldered the components of the original volt regs and piggybacked the new ones.
R1 is 5.6R for about 110mA of ccs current.
The sinks of M2 are 7C/W and the temperature is not hot.
Thank you again Nick
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Old 1st December 2018, 11:59 PM   #834
Salas is offline Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
Congratulations. You could even use 4.7R current setting resistor with those sinks maybe?
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Old 2nd December 2018, 12:11 AM   #835
dahlberg is offline dahlberg  Sweden
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Quote:
Originally Posted by orelli View Post
I've upgrated the FSP with Ultrabib 1.3 and now it's another story.
Everything is much better, clarity, transparence, dinamic, soundstage and energy.
My FSP is balanced, yes I've two printed circuit everyone managing the + and - of the
cartridge output. The gain is 56dB with only one K369.
I desoldered the components of the original volt regs and piggybacked the new ones.
R1 is 5.6R for about 110mA of ccs current.
The sinks of M2 are 7C/W and the temperature is not hot.
Thank you again Nick
What did you upgrade from, the 1.1 Bib ?
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Old 2nd December 2018, 07:40 AM   #836
orelli is offline orelli  Italy
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@ Salas
maybe, in wintertime sure, but in summertime is an issue, cause I use a closed box and my stereo is in an actic without air conditioning and temperature can rise to 30C.
Also with 5.6R sound fantastic!
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Old 2nd December 2018, 07:42 AM   #837
orelli is offline orelli  Italy
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@ dahlberg
I think so, in any case is the original volt reg of the FSP
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Old 2nd December 2018, 08:32 AM   #838
Salas is offline Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
The FSP's onboard reg is 1.1's close relative. I will have to incorporate 1.3 in the FSP board for a revision at a point anyway since genuine 2SK117s used in its PSU will eventually deplete even from trusted sources.

Do you have a picture of your FSP+1.3 piggyback?
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Old 2nd December 2018, 12:13 PM   #839
orelli is offline orelli  Italy
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yes, I'll post it tomorrow
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Old 2nd December 2018, 12:57 PM   #840
Salas is offline Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
Nice. Let them know in the FSP thread also if you may on how its easy to retrofit in piggyback style. Some could decide to do it on their FSP phono too.
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