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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Prodigy OTL and Martin Logan CLS posted by Martin Taylor on March 7, 2007 at 14:35:07:
I owned a pair of Prodigy OTLs for several years, and I also owned two consecutive pairs of CLSs (CLS Is then CLS IIs). I am sure that I drove the CLSs with a pair of original Futterman amplifiers, but I may have purchased the Prodigys right at the tail end of my CLS experience. Anyway, I quite agree that this is or would be a great match. In my opinion, the Prodigys were the best of the Futterman-type OTLs ever made, in terms of build quality and execution. I always felt that the best of the CLSs was actually the CLS I, because it had a nice high impedance favorable to OTLs and tube amps in general. When M-L went on to the CLS II, they redesigned the input stage for a low input impedance, to favor Krell amplification and the like, a BIG mistake in my view. As a result, the impedance of the II actually fell to around 2 ohms in the crucial mid-band region. Needless to say, they were not a good match with my amps. Having realized their error, M-L then came out with the IIa and then the IIz version, where they tried to remove the low-Z notch in the response of the original CLS II. I had my CLS IIs upgraded both times, but the results were never quite as wonderful as the Futterman cum CLS I combo. They were chasing their tails. Maybe by now they've conquered those problems.
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Follow Ups
- Re: Prodigy OTL and Martin Logan CLS - Lew 15:05:03 03/07/07 (1)
- 2nd that in every regard. - Ralph 15:38:00 03/08/07 (0)
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