The OPTICON 1 MK2 is a compact stand mount speaker designed to be installed close to room boundaries or wall mounted in modest listening spaces. Its drivers comprise a 43⁄4” Wood Fibre diaphragm, SMC magnet bass/midrange unit and a newly designed 29mm soft dome tweeter derived from that employed in the CALLISTO series.

Frequency range (+/-3 dB) [Hz]     62 - 25.000
Sensitivity (2.83V/1m) [dB]     85
Nominal Impedance [ohm]     4
Maximum SPL [dB]     105
Recommended Amplifier Power [Watt]     25-100
Crossover frequency [Hz]     3.000
Crossover principle     2-way
High frequency driver     1 x 29 mm soft dome
Low Frequency / mid-range Driver(s)     1 x 4 3⁄4”
Enclosure type     Bass reflex
Bass Reflex Tuning Frequency [Hz]     60
Connection Input(s)     Single
Recommended placement     Stand/Shelf/Wall
Recommended distance from rear wall to speaker’s rear panel [cm]     2 - 80
Dimensions (H x W x D) [mm]     261 x 152 x 231
Dimensions (H x W x D) [inches]     10.28 x 6.0 x 9.1
Weight [kg/lb]     4.6 / 10.1
Included accessories     Rubber feet, manual