Check ebay. There is one for sale, supposedly it is new, with the auction ending in 36 hours. Starting bid is $150. Hope you get it. I have one and use its as a high and low pass filter with a vintage Pioneer integrated amp for my satellite speakers and sub. The ICBM does a fine job.
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AvFan
Outlaw 976 | ATI 2005 | M&K 850s Left, Center & Right, Surround-55s, MX-70B Sub | Harmony 950 remote | Panamax 5100 | OPPO UDP-203 | LG OLED55B7