GoodSoundClub - Romy the Cat's Audio Site

In the Forum: Off Air Audio
In the Thread: Where are our good Tuners?

Post Subject: Ok, it did clear the things up.Posted by Romy the Cat on: 6/7/2011

David, thanks for clearing the things up. The 150kHz as a wide mode only in poor tuners. In US the 150kHz would not cover even the deviation range. This is one of many reasons why many tuner sounds like crap. The conventional standard, if quality of sound maters, is a 3dB bandwidth of 280 kHz. It is for tuners that run 10.7 MHz of IF. The 280kHz usually understood as Wide and 150kHz as narrow bandwidth. For instance Yamaha T-85 has widest 280kHz and then 5 more narrow modes by addition ~230K filter in each mode. I think the last one makes is around 50K bandwidth… BTW, to listen the Yamaha T-85 in any other mode then in widest practically impossible. I have a tuner with great stereo selectivity that runs 400kHz IF bandwidth but it runs 21.4 MHz of IF. For sure many propose to shrink the IF bandwidth that in environment of 200kHz spacing does appear like a bad idea. For sure the quality of sound is a toll for it, the stereo separation and the quality of complex imaging is dying first….

Thanks for posting the image from your manual, or whatever it is. It does clear the things up and the 314Khz that you reportedly have is absolutely fine bandwidth. I admit that mentioning just one side is a bit odd. But if providing data for one side was what you chose to do then it is what it is.

Rgs, Romy the Cat

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