Patterns:   Cardioid

Frequency Range:   30Hz to 18kHz, +/-2dB

Sensitivity:   19mv/Pa (-34dBm=94dB SPL)

Equivalent Noise:   18dB (“A” weighted) 32dB (unweighted)

Distortion vs.SPL @1kHz: 112dB = 0.5% THD 118dB = 1% THD129dB = 2% THD(increasing distortion is non-exponential, nearly linear, and primarily 2nd harmonic)


Impedance:   200 Ohms true transformer balanced

Recommended Load:   1.2k Ohms

Dynamic Range (maxSPL-"A"noise):   94dBS/N (94dB-noise): 76dB “A”, 62dB unweighted


Capsule size:   1” diameter, dual asymmetrical backplate

CK12 typeTube type:   New Old Stock EF814k

Dimensions:   2.04” dia x 8” oal (52x216mm)

Weight:   1lb 9.6oz (1.58lbs) =694g

Shipping weight:   12 lbs

Power Supply:   P251 true linear, factory wired 115v or 230v operation