M1
specifications

circuit design
Original all new circuit design

polar pattern
Variable on detented potentiometer:
Omni; Cardioid; Figure 8 plus 100% Cardioid selectable on PSU

frequency response
20 Hz - 20 kHz

internal
pre-amplification stage

Linear 30 Hz - 20 kHz

sensitivity

24mV/Pa

equivalent noise level

15dBA

maximum SPL

124 dB

capsule

M7 Thiersch Mylar

tube

Russian Military Grade Tube

transformers

Custom specifications. M1 and PSU transformers by Pikatron

cable

Mogami Neglex 3172 tube microphonecable 7m (23 ft)

connectors

7 Pin = Binder and 3 pin XLR = Neutrik

output impedance

200 Ω

dimensions

M1 22.5cm (8.85”) /  M1
+ Swivel = 35.5cm (14”)

weight

M1 = 0.6 kg (1.3 lbs) / M1
+ Swivel = 1.9 kg (4.2 lbs)

shipping weight

9 kg (20 lbs)

peripherals

Custom M1 box
Waterproof Case
Swivel pouch