#Sunn amp serial number lookup serial numbers
The most recent HR50+ is 50-1393.The Hot Rod 100+ have serial numbers beginning with 100. The Hot Rod 50+ was upgraded in 2006 to include the Depth knob and delete the Slave Out. These now use the Avenger numbering system which uses numbers beginning with A. The Hot Rod 50 is now replaced by the Hot Rod 50 Avenger, same amp but in a black chassis and no Slave Out and with a variable Depth knob instead of the XL fixed bass boost introduced in 1997. When the Hot Rod 50 serial numbers reached 700 they skipped to 1700 in 1995 and the Hot Rod 50+ assumed the numbers beginning with 50-701. So the first Hot Rod 50 was 50-001, and the first American SP0. These used numbers beginning with 77 on the SP77’s, or 277 for 240 volt SP77’s, and numbers beginning with 50 for the Hot Rod 50’s. There is no way to tell the exact date of these but they were all built around 1990, before being discontinued and replaced by the American built SP77 and Hot Rod 50 which replaced the SL60 around 1991. The first SL60, SP77 and the SL105 power amp were made in Japan by our Japanese distributor of the time and used a system which he devised. People can email or call for dates if they have the serial numbers. We have records of most of these but there are some missing gaps in the early 90’s. The other amps had different numbering, generally with the first numbers representing the model.
#Sunn amp serial number lookup code
We no longer make the SM100, so now only SLO’s use the date code serial number system. Only 25 more were made, and the last one with this numbering system was 88024, in 2004. Around 1994 we switched to adhesive sticker serial numbers for the X88 beginning with the number 88. On these amps and preamps the first two digits are the year of manufacture and the other numbers are an actual serial number. “The only amps which can be directly dated from the serial number are the SLO100 and SM 100 and those X88’s which have the serial number stamped into the chassis (most of them). The 100W Super Lead Overdrive amp took off in 1987. In 1986 he founded the company in LA before moving to Seattle, Washington. Michael Soldano built his first amp in 1980 with the help of Doug Roberts.