I have the following and am wondering if they were made by JBL and is there any value to them.
1950-1960's Dukane 15" Low-Boy Speaker model 5A425
Dukane Spectra-Phase-12 5A440
I have the following and am wondering if they were made by JBL and is there any value to them.
1950-1960's Dukane 15" Low-Boy Speaker model 5A425
Dukane Spectra-Phase-12 5A440
Well it's definitely not a JBL. Could be an Altec with the vent through the cap. Is that a cast frame or a stamped. Stamped is thin cast is at least 1/16 thick or more usually aluminum.
Rob
"I could be arguing in my spare time"
I will have to measure them.
1950 -1960 ferrite magnet
maybe 1980 - 1990 !
Rich
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