hpf AND nickel-diaphragm microphones

search for mics

(I welcome your
suggestions and
corrections!)

	Microtech Gefell M 296 Omnidirectional Pencil Condenser Microphone pencil-mic, transformerless, end-address, hpf, nickel-diaphragm
	Microtech Gefell M 295 Cardioid Pencil Condenser Microphone pencil-mic, transformerless, pressure-gradient, end-address, hpf, ceramic, nickel-diaphragm
	Microtech Gefell M 294 Cardioid Pencil Condenser Microphone pencil-mic, transformerless, pressure-gradient, end-address, hpf, ceramic, nickel-diaphragm