Signal transformers
• 6 Channel Adaptive Notch Filter
• Antenne Matcher EM-27 [TF 2176] [CB Master Marker]
• Band-Pass Filter [EMT 421A] [Elektromesstechnik Wilh. Franz KG Lahr EMT]
• CRT display converter model 1005 [1005] [Pacific Measurement]
15 Electronic Hybrid with Bandpass Filter [UT-EEMCS-SAS]
• Oktaaf-Bandfilter [PM6410] [Philips] [Toon handleiding data]
• VLF Comparator 117A [117A] [Hewlett Packard]