Believe it. I was at his house yesterday. The seller was a super nice, older gentleman who clearly should be getting help divesting his estate, which is what he's doing. However, I did not pay $50 for the 2245. The story is this. I happened to respond to his ad minutes after it was posted (I got super lucky - I just happened to look at that time), but don't know if he picked me b/c I was first. He didn't say. After he posted it, he had to travel for a family emergency which prevented him from getting back to all the inquiries. He said that in the time since he posted the "announcement," he had been getting many offers way higher than asking price. He communicated that by shot-gunning a message in a Word document to all the people who emailed him through CL. I offered him $300 thinking that he'd counter (and I'm looking at a Pioneer SX-828 for $285 so figured that was ballpark), but we we settled on that and arranged a time to meet. After meeting the guy, I did not feel comfortable taking that receiver for less than that. It's one thing to find a great deal at a garage sale - another to take advantage of an older person. I wasn't super anxious to score it so I thought if he bites, I'll grab it. If not, I have enough sh*t that needs to be restored, and he was only 10 minutes from where I work. No skin off my back if it didn't work out.
It is very clean, but it's going to need some work. The left channel is a little stronger than the right, and a unit that old will need to be recapped anyway so I figured all that into my offer too. It also needs some new bulbs/LEDs. The wood case is in great shape. There was one tiny dent on the top bevel, but that was it. The 2245 did come with all the original packing, the service and user manuals, and he even gave me his receipts and warranty registration card. It was all filed in a plastic sleeve in the condition it was when he bought everything in 1975.
Those AR3a's are real too - I tested the 2245 through them, and they are super clean. He did have all the original paperwork and boxes for everything. He had a committed buyer for them, but said he'd call me if it fell through. He didn't say what he was offered. I have a feeling someone scored (stole) them for his asking price of $300.
As for the virus/scam thing, I don't know about that. I'm a Linux user so I don't have that problem

, and after meeting the guy, I doubt that he'd be that diabolical. He was a super nice guy . . .think your grandfather who had a love for music.