06-09-2017, 07:04 PM
From the Philco Speakers file located at
http://www.philcoradio.com/phorum/showth...hp?tid=215
The 38-690 uses a W-6 woofer. Field coil - 4300 ohms.
Output transformer primary impedance - 6000 ohms CT
Primary DC resistance - 410 ohms
Voice coil impedance - 3.9 ohms
http://www.philcoradio.com/phorum/showth...hp?tid=215
The 38-690 uses a W-6 woofer. Field coil - 4300 ohms.
Output transformer primary impedance - 6000 ohms CT
Primary DC resistance - 410 ohms
Voice coil impedance - 3.9 ohms
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Ron Ramirez
Ferdinand IN