I like fins and stuff on my heatsinks though.
16 ohm 100w dummy load resistor aluminium clad 16R J 16RJ attenuator amp 16ohm
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Electro-Voice EV Force 12 Speaker 12” 8 Ohm Vintage USA
MMLFX 2pcs 25.5mm 8 Ohm Core Round Brass Wire Woofer Voice Coil Aluminum For Speaker Repair