MD3
Primary use:
Type:
Polar patterns:
Common name: Groove Tubes MD3
Production Status: Discontinued / Vintage
The MD3 is a large diaphragm tube condenser microphone offering cardioid, sub-cardioid and omnidirectional polar patterns. It uses a 32 mm Josephson made capsule, a 12AT7 tube and a Reichenbach transformer. The MD3 is equipped with a s equipped with a variable attenuation pad ranging from 10 to 20 dB in ten steps. It is ideal for vocals and acoustic instruments. PS2M power supply, EC-1 M 9 pin microphone cable, MSC moisture proof case and ST-1 shock mount priced separately.
Electrical Characteristics
Frequency Response
20Hz - 20 kHz
Output Sensitivity
25 mV/Pa
Max SPL
130
Max SPL, THD:
1
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
28 dB-A
Output Impedance
30Ω
Recommended Load
0.5kΩ
Powering
Proprietary unit
Supply Current
mA
Alternative Powering
Tube Model
ECC81/12AT7/6201
Switchable Options
Pad
10 dB, 20 dB
Filter/EQ
Physical Characteristics
Connector
9-pin (Quick-Lok DB-9)
Connector notes
Available Colours
Black
Weight
Length
Min diameter width
Max diameter
Depth
Accessories
Included
Optional
PS2M power supply, EC-1 M 9 pin microphone cable, MSC moisture proof case and ST-1 shock mount.