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Old 21st June 2007, 02:21 PM   #1
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Default Your recommendation on rectifier diodes?

Looking for an upgrade to Vishay-Telefunken BYV-27-150 diodes wired in parallel for my TDA1541A Dac. I've seen references to:

- Silicon Carbide Shottky's like CREE
- Regular Silicon Shottky
- Harris FRED
- HexFred
- IXYS, including HyperFred

Anyone upgrade their standard soft recovery diodes with one of these with clearly improved results?

I'm looking for more resolution/detail from my TDA1541A NOS dac.

Finally, anyone care to recommed the same for my DRD300B amps?

Thank you!
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Old 24th June 2007, 04:44 PM   #2
tvicol is offline tvicol  Romania
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Default qspeed

I'm also interested if anyone tested these http://www.qspeed.com/Products/About...Rectifiers.cfm

Regards,
Tibi
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Old 27th June 2007, 02:55 PM   #3
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Default Re: Your recommendation on rectifier diodes?

Quote:
Originally posted by riotubes
Looking for an upgrade to Vishay-Telefunken BYV-27-150 diodes wired in parallel for my TDA1541A Dac. I've seen references to:

- Silicon Carbide Shottky's like CREE
- Regular Silicon Shottky
- Harris FRED
- HexFred
- IXYS, including HyperFred

Anyone upgrade their standard soft recovery diodes with one of these with clearly improved results?

I'm looking for more resolution/detail from my TDA1541A NOS dac.

Finally, anyone care to recommed the same for my DRD300B amps?

Thank you!
you've forgotten my favourite Schottky Barier diodes

best
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Old 27th June 2007, 03:43 PM   #4
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Thanks Guido for your feedback!

Brand, specs please?
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Old 28th June 2007, 08:26 AM   #5
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Quote:
Originally posted by riotubes
Thanks Guido for your feedback!

Brand, specs please?

Hello Mike,

Actually I haven't encountered Schottkies that sounded worse than regular silicon.

Types I use often in my modules and modifications are:

SS16 (smd)
D15XBS6 (15A/60V bridge from Shindengen, great company)
SB160 (1A/60V wired)
SB360 (3A/60V wired)

Another advantage of SB's is lower forward voltage drop hence less heat development.

best

Guido
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Old 28th June 2007, 07:50 PM   #6
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many thanks Guido!
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