UK Vintage Radio Repair and Restoration Powered By Google Custom Search Vintage Radio Service Data

Go Back   UK Vintage Radio Repair and Restoration Discussion Forum > General Vintage Technology > Components and Circuits


Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

Thread Tools
Old 9th Apr 2019, 9:33 am   #21
Join Date: Dec 2007
Location: Haarlem, Netherlands
Posts: 2,328
Default Re: What are these transformers?

Originally Posted by joebog1 View Post
Its normally accepted that one DOES NOT use DC currents into a transformer with a Mu-Metal core!!
I will most likely be shot down, BUT please check transformer basics.
Electret condenser microphones ?? WHY would anyone want one in the first instance?? Bass boomy, treble screetchy, PERFECT for digital!!.
A half decent dynamic is far more desirable, and doesnt require ( 48 volts, no less) biasing voltages, nor does it kill superb little microphone coupling transformers of yesteryear.
I agree on not using an electret in a circuit that isn't meant for it, but they can be found with biasing tensions as low as a few volts. No 48V needed.
Maarten is offline   Reply With Quote

Thread Tools

All times are GMT +1. The time now is 8:07 pm.

All information and advice on this forum is subject to the WARNING AND DISCLAIMER located at
Failure to heed this warning may result in death or serious injury to yourself and/or others.

Powered by vBulletin®
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Copyright ©2002 - 2019, Paul Stenning.