Marantz 2250 lamp housing
thingiverse
This is a model of the lamp housing that usually melts in many 70's era Marantz receivers. See http://www.thingiverse.com/thing:150349 for a more printable remix. Instructions I haven't yet printed this, very soon.... It should be a direct replacement part for part #0917 in the 2250 service manual (available for download from audiokarma.org). If yours is melted like mine, you'll know exactly what part you're replacing. Expect some updates as I print/adjust it to fit. It could probably be cut on a CNC mill as well, but that's not a tool I have experience with.
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