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I personally have no experience with any of the tuners you list except the Fanfare. That said, I will give my opinion, no shortage of that.
I would suspect the Meridian to better all those you have listed. Everything I have ever read on the Meridian tuners has always been positive, and like the Macs, they seem to hold their value quite well.
I would be surprised if the Fanfare and MD were even close to matching the performance of the Meridian.
I finally made a decision. My local Meridian retailer was asking $700 for their Meridian 504 FM Tuner. I offered $500 and they offered to split the difference ($600). I agreed and just hooked up my new Meridian 504 tuner. I am sure it is breaking in but it sure sounds good to my ears. The unit was a demo at a Meridian retailer but had never been played. I also have a 3 year warranty on the unit. I was very surprised when he told me the retail price was $1,760.
The bad news is my Harmonic Technology RCA interconnect cables do NOT fit the tuner or my McIntosh MA6900 integrated amplifier. It seems the metal on the cable is too long and needs to be shorter. I have loaner cables from the store and am waiting for Harmonic Technology to call me back. I am also waiting for Fanfare Electronics to send me the missing "F connector" so I can connect my Fanfare FM-2G Whip antenna to my Meridian.
It made no sense to pay $2,500+ for a Magnum Dynalab MD-102 or what ever for a McIntosh MR78 ($1,500 to $1,650). The Meridian sounds great and for $600, it was a steal. While I considered the other several other tuners (Magnum Dynalab, McIntosh MR78), I felt the Meridian 504 tuner at $600 was the better deal for me plus I get their full warranty.
Thanks again for all your help and advise. cheers...
Harmonic Technology called me back today (outstanding service from this company). He told me to loosen the cable connectors (metal jackets) on my Harmonic Technology interconnect RCA cables BEFORE connecting to the equipment. I did and was able to connect them to the RCA jacks on my electronics perfectly. I do not know why I was not able to figure this before out and so I feel like an idiot. cheers..