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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Consider a loudspeaker with a flat 8 ohm impedance and flat frequency response from 20 Hz to 20 kHz (no snickering) when connected to the 8-ohm tap of the amplifier mentioned below.Said loudspeaker is connected to the 4 ohm tap of a very high quality, transformer-coupled tube amplifier (with, let's say, near-zero output impedance). What is the effect on the output frequency response of the speaker (compared to the base case above)?
An identical loudspeaker is connected to the 16 ohm tap of an identical amplifier. How does the output frequency response of the speaker now compare to the base case?
Extra credit for any amplifying (no pun intended) discussion.
all the best,
mrh
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Topic - a simple output impedance mismatch question - mhardy6647 16:23:57 02/16/07 (13)
- OK, thanks, but I guess I asked the wrong question - mhardy6647 11:19:11 02/17/07 (10)
- I don't get it - Dave Cigna 16:35:58 02/17/07 (1)
- clearly you've never tried to get behind my HF-81 :-) - mhardy6647 16:50:22 02/17/07 (0)
- Re: OK, thanks, but I guess I asked the wrong question - danlaudionut 11:40:03 02/17/07 (7)
- Here what I did. - cheap-Jack 07:58:26 02/19/07 (5)
- Re: Here what I did. - danlaudionut 11:08:00 02/19/07 (0)
- Re: Here what I did. - fatbottle 08:45:01 02/19/07 (3)
- What "doesn't seem right"? - cheap-Jack 11:50:21 02/19/07 (2)
- The lowest impedence dip with your speakers - fatbottle 07:12:58 02/20/07 (1)
- Did I state clearly ... - cheap-Jack 08:06:39 02/20/07 (0)
- Re: OK, thanks, but I guess I asked the wrong question - Eli Duttman 14:34:03 02/17/07 (0)
- Re: a simple output impedance mismatch question - beermanpete@socal.rr.com 19:48:02 02/16/07 (0)
- Re: a simple output impedance mismatch question - danlaudionut 16:34:39 02/16/07 (0)
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