BECO Universal Impedance Bridge Model 315A, Brown Electro Measurement Corp. 315A $139.00
Tenma Audio Impedance Tester 72-6948 $64.95
Digital Ohmmeter LCD Audio Impedance Test Meter Speaker Voice Resistor System $56.99
TC ESI Impedance Bridge Model 250-DA Serial 1394 Electro-MeasurementS Oregon USA $69.99
TOA ZM-104A Impedance Meter Measures Impedance of Speaker Lines Up to 100k Ohms $59.97
Gold Line ZM-1P Impedance Meter with Protection Relay $648.98
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