fpitas

Responses from fpitas

Pass First Watt models ... confused
Al has it right; most of these are special purpose amplifiers, and you would be wise to carefully read the manual for each before purchasing.Also, if you call Mark at Reno Hi-Fi, he can help point you to a suitable model for your setup, if one is ... 
Blind squirrels and such-Ncore 400
You certainly started your DIY career with a nice amp, congratulations! No matter how good (or not) your eyes are, in this hobby a lighted magnifier is a handy tool.Francis 
Considering a First Watt F-4
You'll need about +/-20Vpk drive, or 14Vrms to get full power.http://www.firstwatt.com/pdf/prod_f4_man.pdfFrancis 
Considering a First Watt F-4
David,I suspect you ran into the difficulty I mentioned, that the F4 requires a very large voltage drive to achieve full power. This is a separate issue from gain. Some preamps are capable of outputting the voltage necessary; some aren't. 
Considering a First Watt F-4
You're not getting deluged with replies, so I thought I'd chime in.I also own a J2, in my case driving my horns. It's everything Photonman said. If you buy from Mark at Reno Hi-Fi (as I did), as far as I understand things they will let you try out...