I own a vintage pair of JBL speakers Model D36030WX in 36" walnut cabinets. They include the 15" D130 woofers, the 075 ring radiators, and the N2600 cross-overs. They are Serial Nos. 53738-30541-10811 and 54289-30047-10821.
They work beautifully and the cabinets are still very nice as well. I have upgraded my system, and could use some help dating these speakers and would like to get some idea of the market value.
Any help would be appreciated.
Thanks,
David