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In Reply to: Amplifier Modifications posted by Hawk28 on February 29, 2012 at 06:34:14:
I have Emotiva UPA-1 monoblocks with an input impedence of about 22k ohms. My Mcintosh c-15 preamp has a rated output impedence of 600 ohms.
I have been considering a tube preamp, and I have been told, on this forum, that matching a tube pre to my amps may be difficult because of the low input impedence of the Emotiva's. also, I have been advised that preamp output impedences listed on spec sheets don't remain constant, rather they can fluctuate within a given frequency range. This is why, I have thought about a possible modification rather than serching for different power amps.
If I decide to pursue this, I would not do the work myself, as I don't have the skill set.
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Follow Ups
- RE: Amplifier Modifications - Hawk28 11:41:01 02/29/12 (5)
- RE: Amplifier Modifications - wheezer 12:18:13 03/02/12 (0)
- Thx. I too asked for those data. - jeffreybehr 21:52:04 02/29/12 (3)
- Check the impedance ratings at frequency extremes - jsm71 13:54:28 03/02/12 (0)
- RE: Thx. I too asked for those data. - Hawk28 05:34:18 03/01/12 (0)
- Food for thought. - FenderLover 22:35:23 02/29/12 (0)
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