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Money Back Guaranteed Slug Preventer Put an overlapping ring of pennies around your plants. Works great, but a bit of work placing and picking up at the end of the year. Rings of bare, solid house wiring works just as well, but is a bit of work to strip, but is much easier to maintain than the...

Great performing amp with precise fit and finish, inside and out. The metal case does not look DIY; it has a very attractive finish. But I didn't like the Frankenstein look of the screws, which do look DIY, so I replaced the front screws with less visually intrusive round head screws. Thought...

I like to bias the input tube of a tube amplifier with a quasi-differential circuit and not have to use a by-pass cap on the cathode resistor. It's has always looked so tempting to zero bias the input grid and not have any cathode circuit and have better linearity. The iFi micro DSD apparently...