25-03-2019, 05:33 PM
I don't know if they narrowed the IF bandwidth for a fringe set. Trading resolution for reduced noise. The prewar EMI TRF sets such as the 702 could be aligned for different reception conditions, from wideband with low gain for local to narrow band with high gain for fringe.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv







