TC ESI Impedance Bridge Model 250-DA Serial 1394 Electro-MeasurementS Oregon USA $69.99
Hewlett Packard HP 4800A VECTOR IMPEDANCE METER $199.99
General GenRad Labs 1658 Precision RLC Digibridge Impedance Meter $450.00
TOA Speaker 25/70 V Impedance (Bridge) Meter, Handheld, Battery Operated ZM-104. $64.00
Digital Ohmmeter LCD Audio Impedance Test Meter Speaker Voice Resistor System $56.99
TOA ZM-104A Impedance Meter Measures Impedance of Speaker Lines Up to 100k Ohms $79.97
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