The
JM47a is a high quality large diaphragm condenser microphone with
Cardioid pattern. By using an FET device for the preamplifier circuit
combined with a transformer-balanced output, we built a microphone
that's destined to be an instant classic.
The capsule is made using a classic "center-electrode" design with
dynamic feedback at the capacitor element. This insures that the JM47a
will not exhibit low frequency "boominess" or distort as readily at
high SPL. The diaphragm is manufactured from micro-fine Mylar, which is
in turn gold sputtered. The body is machined from high-grade brass,
with audio connection via a 3 pin XLR connector at the base. High Pass
Filter and Pad switches increase the flexibility of this versatile
microphone.
The JM47a is especially good for male and female vocals, and also
excels for recording guitars and other acoustic instruments.
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