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Old 17th May 2004, 09:33 AM   #1
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Default Driving SOZ

SOZ consist of only TO-247 mosfets, biased very hot.
From what I read about mosfets, the bigger the size (compared to TO-220), it will have bigger input capacitance.
Will any preamp can feed this big capacitance, including tube preamps? Or SOZ needs special big output preamp to handle its big input capacitance?

SOZ needs balanced input. If I built this with opamps, +/-15V supply, with V1 is unbalance input signal, and V2 is grounded, will this opamp configuration works as unbalance-balance converter?
What is the gain factor of this opamp configuration?
Can R1 made =0ohm (not using R1)?
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