![QA470 Low Noise Mic Pre-amp [Retired] noshowbutton we don't yet know when](https://cdn.shopify.com/s/files/1/1631/5609/products/QA470.6.png?v=1562782319)
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which is readily handled by the QA470's wide output swing: The QA470's mic path delivers distortion numbers well below that of the mic even at 16 dBV output (-4 dBV input)
The QA402 can operate standalone
116 mm deep with BNC Weight 410g Case Material Powder coated aluminum Power USB power PC Connection USB
QA470 Low Noise Mic Pre-amp [Retired] noshowbutton we don't yet know whenNOTE: The QA470 has been replaced by the QA471, which is the same product with 10 dB of mic gain instead of 20 dB. There were many cases where mics with high acoustic overload points (AOPs) were requiring the attenuator to be engaged on the QA401 at 125 to 130 dBSPL. The lower gain will help with that. Since the QA401 input noise floor is 115 dBV (20 kHz, no weighting), there's still plenty of margin to measure the at the noise floor even with just 10
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