A lot of my friends ask me what the most valuable vintage receiver is. It's actually a fairly difficult question to answer because there are so many variables that factor into market value. The Pioneer SX-1980 and the Sansui G-33000 are definitely two of the most valuable receivers but check out the latest sale of a Marantz 2600 pictured below.
Yes, you're seeing that right. $6100.00 for a Marantz 2600. A near mint Marantz 2500 just recently sold for $3500 and they routinely sell for $2500 to $3000 so perhaps over six grand for the 2600 is not out of line. There were 7 unique bidders over $3000, only four over the $4000 mark and only two bidders bid over $6k. Obviously those two buyers really wanted the 2600. That's understandable because you just don't see these receivers on the market very often.
This particular 2600 is in excellent condition and, according to the seller, was recently serviced and checked out fine. As you can see the sale also included the wood case. The original manual was included as well but not the original box.
Even the inside of the unit is very clean and you can see the massive toroidal power transformer that Marantz used in these monster receivers. And, a monster it is, weighing in at over 60 pounds and pumping out 300 watts per channel. The 2600 was produced from 1978 to 1980 and is the most powerful receiver Marantz has made. It also checks in tied at number two with the Sansui G-33000 on the all time most powerful receiver list. Allegedly Marantz only made about 1000 of the these receivers so they are very rare.
A pretty nice Pioneer SX-1980 just sold for $3500 and a Sansui G-22000 for over $2000 (9-28-2013). I haven't seen a G-33000 sale. So, for now it looks like the Marantz 2600 is the king of the hill when it comes to market value. Some might argue that its performance does not live up to the price but if you're a Marantz collector then this is the holy grail of receivers. I remember seeing one for sale in 2012 in "fully restored" condition for $12000 but I don't think it ever sold. I remember another sale on eBay for $4000 back in 2006. Nonetheless, we now know what the current market value of a 2600 is - and it's a lot.
Update: May 30, 2014. Another Marantz 2600 has sold and prices appear to still be on the rise. This one sold for $6995. It was in very nice working condition with the exception of an issue with FM stereo reception.
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