03-04-2019, 06:35 PM
Please place an ad in the Wanted Ads section - ads aren't allowed in the discussion forums.
The original Philco speaker used was K-7 (or K-21 in later models). But you can use any K series speaker with an 1125 ohm field coil and by adding the proper output transformer to match a 7100 ohm impedance plate load to a 1.25 ohm voice coil.
The original Philco speaker used was K-7 (or K-21 in later models). But you can use any K series speaker with an 1125 ohm field coil and by adding the proper output transformer to match a 7100 ohm impedance plate load to a 1.25 ohm voice coil.
--
Ron Ramirez
Ferdinand IN
