Tenma Audio Impedance Tester 72-6948 $64.95
BECO Universal Impedance Bridge Model 315A, Brown Electro Measurement Corp. 315A $139.00
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
LCR45 Atlas Passive Component Impedance Analyser (Model LCR45) PEAK ELECTRONICS $133.00
Pomona 6493 High Impedance Passive Probe $89.95
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