Hi,
This listing is for 7 cool white LED fuse type lamp for Many vintage Marantz 22 series receivers, and some of the quad, as well as tuners and some power amplifiers.  There is no soldering required, these 7 LEDs are for the panel light and the meters, I do have other type of LEDs and they are available in our other listing, 
these fits units like: 2275, 2250B, 2245, 2240B, 2235B, 2230B, 2230, 2225, 4430, 2285, 2285B, 2265, 2265B. 2252, 2252B, 2238, 2238B, 2226, 2226B, 2220B, 2216, 4220, 4240, 4270, 4415, 4430, 2110, 2130, 120, 150, and many more, feel free to email if any questions, and check our other listing for more vintage parts and accessories,
Thanks.