Versions:
Opus 55.09 Mk II BLK, cable with free ends, black
Order ID: 475.556

Opus 55.09 Mk II SC, dto., beige
Order ID: 475.564

Opus 55.18 Mk II BLK, cable with 4-pin mini-XLR connector for TS 100 Mk II, TS 300,

TS 600, TS 800(M), TS 900 C, TS 900 M, and pre-amplifier CV 18, black

Order ID: 475.394

Opus 55.18 Mk II SC, dto., beige
Order ID: 475.386

Technical Specifications
Transducer type	Condenser (back electret)
Operating principle	Pressure gradient
Polar pattern	Omnidirectional
Open circuit voltage at 1 kHz (0dB = 1V/Pa)	4.5 mV/Pa
Nominal impedance	1 kΩ
Length	13.0 mm
Shaft diameter	5.2 mm
Weight without cable	16 g
Frequency response	20 - 20,000 Hz
Max. SPL at 1 kHz	130 dB (f=1 kHz, k>= 1%, R=1 kΩ)
S/N ratio rel. to 1 Pa	56 dB
Cable length	1.2 m
Supply voltage	1.5 - 9 V
measured with CV 18 pre-amp unit (2-pin-connection)