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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
Digital Ohmmeter LCD Audio Impedance Test Meter Speaker Voice Resistor System $56.99
ESI ~ Universal Impedance Measuring System Model 293 ~ AC/DC Generator & Bridge $999.95
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