I found this while surfing eBay. Looks like it's in an unusual location and wouldn't ordinarily be picked up in searches for an R390(A). http://cgi.ebay.com/2-Vintage-Meters-DeJur-Ks-tube-amp-radio_W0QQitemZ270364041394 Item: 270364041394 Not mine. Don't know the seller. Etc. Barry - N4BUQ