Excerpt from brochure: Tech nics SL-3300 (silver version of the Tech nics SL-3310)
Report on "Vinyl-Engine":
SL-3300: Fully automatic turntable with front controls. Very little acoustic feedback. Pitch control and neutral position between speeds 33 and 45. SL-3310 is the same, but black version.
SL-3200: Same as SL-3300, but semi-automatic. SL-3210 same, but black version.
SL-3100: Completely manual version. SL-3110 same, but black version.
SL-3350: Same as SL-3300, but with plate changer function.