Shure A15BT Bridging Transformer
The A15BT matches, bridges, or isolates balanced and unbalanced devices of different impedances and levels.
Impedance: XLR socket (Female), 33,000 Ω. XLR plug (Male), 7500 Ω, easily converted to 600 Ω.
Unbalancing: Either end can be unbalanced by connecting pins 1 and 3.
Voltage difference: From 33,000 Ω to 7500 Ω, 6.4 dB. From 33,000 Ω to 600 Ω, 17.4 dB.
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The A15BT matches, bridges, or isolates balanced and unbalanced devices of different impedances and levels.
Impedance: XLR socket (Female), 33,000 Ω. XLR plug (Male), 7500 Ω, easily converted to 600 Ω.
Unbalancing: Either end can be unbalanced by connecting pins 1 and 3.
Voltage difference: From 33,000 Ω to 7500 Ω, 6.4 dB. From 33,000 Ω to 600 Ω, 17.4 dB.
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