Quote:
Originally Posted by Big.Al
Thanks, Herb!
Wow, the loudbox input impedance for the 1/4" input is really low. A typical 1/4" input on a mixer is around 30,000 Ohms, and my Behringer Ultracoustic amp has a 10 million Ohm input impedance on the guitar channel.
The K&K Pure Western pickup requires a 500,000 Ohm input, minimum, so I guess you couldn't even use it with the Loudbox without a separate preamp.
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Impedance compatibility is important, but that's not all.
Look at the nominal input and maximum input ratings in Herb's post above. Inputs operate best at a certain voltage (nominal) and can only work within certain voltages (range). If the pickup's output range matches that preamp input range, all is good (as far as this particular parameter is concerned), otherwise things are not so good.