I've never owned a Silvonic Generator, but I do LOVE my Silvertron Elite. I think it is pocket change considering all that we get with it, and makes unlimited CS for friends & family.
Silvonic Pro by Elixa - 1 Quart
Automatic Shutoff @ 10ppm - Program button allows 1 more ppm with each press (quart)
or 2ppm more for 16 oz pint (30 additional minutes per press)
Press button 10 times to get 20ppm (quart), press button 5 times for 20ppm (pint)
Hold button for > 5 sec goes into DC mode which stops automatic polarity reversal and prevents automatic shutoff. (See demo-Making STRONG CS)
Silver Wires 12 Gauge
Lifetime Warranty
Automatic polarity reversal every 5 min runs during each batch
Magnetic stirrer optional if doing 1 quart, not needed for 16oz pint
Power Cube, or battery power or any power source 12v to 36v AC or DC