Hmm

. Near as I can tell from old catalogues, the Super Tuner Two didn't come out until '81, or for sure '82.
My old FM-5 was the first piece I had Frank modify in about '80 and it had the same sticker on the front as the AF-6 shown above.
Dynaco had planned a Dolby card for their tuners when some stations went to that method of transmitting with much fanfare, calibration tones, etc. When a local shop said the card was unavailable, they directed me to Frank who said he could make my FM-5 sound better than any old Dolby mod could anyway.
I've been going back to Frank for other stuff ever since. But I never upgraded the tuner to the later versions. I always had trouble getting a clean signal on the classical station in our area on it or any other tuner I've tried

, until I found a used FM-3 (all tube) which I modified myself with parts I found on line. Nearly electrocuted myself during the alignment process

, but it had great sound.
But I let both of them go out on consignment when I got a Sony XDR-F1HD. No more noisy classical station and as a bonus, HD channels.

Frank says the main problem now with the FM-5's and AF-6's is that the FM front end is vulnerable. It's nearing the end of it's serviceable life and there are no parts to fix it, unless you've cannibalized a working spare from another unit, but how long can that last?
