05-27-2014, 05:53 PM
Wise,
The D-10 uses a crystal pickup and the D-10A uses a dynamic pickup.
Radios that use the D-10A, like the 47-1230, switch in an extra amp stage.
Also, the changer has a step-up transformer from the pickup, also adding some gain.
Chuck
The D-10 uses a crystal pickup and the D-10A uses a dynamic pickup.
Radios that use the D-10A, like the 47-1230, switch in an extra amp stage.
Also, the changer has a step-up transformer from the pickup, also adding some gain.
Chuck
Chuck Schwark,
The Philco Repair Bench
[Image: http://www.philcorepairbench.com/images/philog3tiny.gif]
http://www.philcorepairbench.com
