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Old 22nd November 2012, 01:08 PM   #1
diyAudio Member
Join Date: May 2010
Default sub or source for Sanken c3284?

Happy Thanksgiving to all!

Looking for a good substitute or source for sanken c3284.

Any ideas?
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Old 22nd November 2012, 01:45 PM   #2
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Join Date: Nov 2003
Location: Louisiana
FJA4313 is one option.
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Old 22nd November 2012, 02:33 PM   #3
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Join Date: May 2010
Thanks Perry, hadn't seen that one yet. When crossing for amp output transistors are there certain parameters more important to closely match?

I'm getting the impression that its preferable to meet or exceed the voltage and current ratings, and closely match the gain, capacitance and bandwidth. Is this correct?
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Old 22nd November 2012, 03:22 PM   #4
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Join Date: Nov 2003
Location: Louisiana
It depends on the amp. A greater voltage rating isn't important. A greater current rating is generally better. The other parameters aren't generally important. When possible it's best to use exact replacements. Sometimes, seemingly insignificant differences make a transistor completely unsuitable. The best example is the IRF540N. If it's used in place of the non-N version of the IRF540 in Rockford amps, it will generally cause significant problems.
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