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RCA Radiola 18
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11-14-2015, 01:37 PM
teevee
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Join Date: Feb 2011
Posts: 103
Typical old hi-z speakers are 2k ohms. You can use the speaker and output transformer from a defunct AA5 radio in place of it. These early sets used wax/paper caps for the power supply filters, and they typically are OK.
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