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The Tenma 72-6950 is an audio impedance tester that can show the condition of a connected speaker system and the required amplifier power ratio. Impedance is invisible, so instruments like impedance meters, LCR meters, and impedance analyzers are needed to measure it. This is like new
$821.00
Tenma 72-5020 40mhz 725020 - Channel 1 is bad
$319.00
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