For the listening tests, I used a McCormack CD
transport and DAC, Mark Levinson No 326S preamplifier,
Lamm M2.2 power amplifiers, and Carver Mark IV ribbon speakers. Cables were
This old Telarc CD is my favorite for
testing subwoofers, because it has a huge bass drum in the Copland
Fanfare for the Common Man, but also because the dynamics are
Although the SC-12s can't compete with
my Velodyne F-1800s that I have in the lab, I was surprised at what
they could do: punchy and no obvious distortion.
Very impressive for 12" cones. And, the
SC-1250 prevented them from being overdriven.
Gettysburg was a pretty good movie, but it definitely had a
great sound track.
They use various drums to simulate the sound of cannons in the
music, and the SC-12s handled it all without any hiccups.
Deep, clean, and powerful.
Another good Telarc disc for testing
just about any hi-fi component is this rendition of Tchaikovsky's
The music is very intense, but it is
the uncompressed recording of cannons at the end that will put
amplifiers, speakers, and of course, subwoofers, to the test.
I really expected the SC-12s to strain
here, but they did not. This is due to the 27 pound magnet structure
on the drivers, a sealed enclosure, and the SC-1250 limiting the
output to 50 volts.
I use this Mary-Chapin Carpenter album
mostly to see if a speaker produces any chestiness with her deep
voice, but in this case, I just wanted to find out if the SC-12s
The bass is very tight with these
drivers. Not floppy or loose. That's good.
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