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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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In Reply to: Re: Just curious have you heard the Nikko Gamma V yet? ... posted by Marantzguy on November 30, 2006 at 15:16:08:
The Gamma V is a very sensitive and selective rack-mount style digital tuner. It is a better DX performer in stock form than most digitals we've tested, with the equivalent of 6 gangs, but the Gamma V also sounds terrific with particularly good bass. It uses one linear phase LC filter block in wide mode and adds two more in narrow, both of which are adjustable for best linearity (but because it uses no ceramic filters, it is not suitable for filter modification). There are also dual transformers for powering the digital and analog section to prevent corruption of the analog power supply. Construction is all frame and beam with heavy shielding around the front end and digital control sections, with beams running from the front to the back of the tuner to further isolate noise-producing circuitry from the audio circuitry. Fixed, variable, and scope outputs are provided on the rear panel. Our contributor Ryan recently aligned and analyzed a Gamma V, and provides the following commentary: "When this tuner is fully aligned, it can be better than any stock tuner I have ever heard. The sound is superb from top to bottom, and the measurements back it up. Spectral analysis showed that IM distortion was essentially nonexistent, THD at any frequency over 1 kHz was at .009% or under, and separation was 60 dB out to 10 kHz. In my experience, this just does not happen with almost any stock tuner at any price. I attribute this in large part to the superbly linear IF strip that seems to pay good attention to group delay characteristics, and good ratio detector coupled with the HA11223W multiplex. But do keep in mind that the Gamma V is two decades old, and without alignment you will not get these results, and because of the LC filters, it is no ultra-selective DXer. And like many vintage tuners, birdies can be a problem on stations loaded with SCA subcarriers."Excerpt from Tuner Info....
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Follow Ups
- None taken.... - millen 18:37:44 12/01/06 (1)
- Re: None taken.... - Marantzguy 16:50:45 12/04/06 (0)
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