Autogram MT-1 Audio Transformer and MA-2 Module

Autogram Collins Broadcast Console CA-8 CA-10 Modules 2x MT-1 & CA-1

COLLINS TF1RX13YY OUTPUT TRANSFORMER 60-108KC -10DBM VINTAGE RADIO PREAMP AMP

Ferrodyne Audio Transformer 600 1:1 722849-7 Line Output

COLLINS RADIO Audio Output Transformer No. 6770348009

QCS AI-1 Audio Isolation Transformer

Merit A-3111 Modulation-Output Transformer NOS

UTC Line Matching Interstage Isolation Transformer Preamp 3300 150 600 Ohm