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Old 30th March 2009, 12:36 PM   #1
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Join Date: Jan 2005
Location: montreal
Default Help to choose a Pre-amp to drive F4

Looking to built a 15 to 20 db gain line pre-amp to drive F4 to full power.

My regulated power supply will be at +/- 24V.

Which will be a best choice out of these 3 circuit ?

Op627+diamond buffer

Current feedback pre-amp

Differential preamp
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Old 3rd April 2009, 12:36 PM   #2
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Any advise
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