Tenma Audio Impedance Tester 72-6948 $64.95
BECO Universal Impedance Bridge Model 315A, Brown Electro Measurement Corp. 315A $139.00
Interacoustics AA222 Impedance Audiometer NOTE: Pump Not Working Audiometer does $1500.00
TC ESI Impedance Bridge Model 250-DA Serial 1394 Electro-MeasurementS Oregon USA $69.99
Vintage Organic Impedance Measuring Control Panel AC-4 by CEFCO EXPERIMENTAL $219.99
Line Impedance Stabilization Network LISN High Current Solar 8602-50-TS-50-N 50A $499.00
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