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ST59
CLASS-A FET CONDENSER MICROPHONE
The ST59 multi-pattern professional recording microphone raises the standard
for acoustic capture of vocals and instruments. Based on an ultra-thin 3-micron
gold evaporated Mylar diaphragm, the ST59 also features a Disk
Resonator that naturally extends high frequency response. Combined
with Class-A FET circuitry, the ST59 provides incredible smoothness, detail and
articulation for a wide variety of recordings.
FEATURES
• Cardioid, Omni, and Figure 8
Polar Patterns
• Double-sided 1” all brass capsule,
hand assembled and oven baked
for long term stable operation
• Ultra-thin 3-micron gold-evaporate
Mylar diaphragm provides sonic
detail and accuracy
• Disk ResonatorTM design extends
high-frequencies naturally
• Custom-wound nickel core
output transformer
• High pass filter and -10dB pad
• Black nickel-plated all brass body
• Stainless steel head and grille
assembly
• Requires 48V phantom power
Includes:
• HM-2 hard mount
• Zipper case
• Optional SM-4 shock mount available
product SPECifications
Preamp Class-A FET
Polar Patterns
Omni, Cardioid, Figure-8
Frequency Response
20Hz - 18kHz
High Pass Filter
75Hz, 12dB/octave
Attenuation Pad-10dB
Sensitivity32mV/Pa
Maximum SPL 134/144dB
Equivalent Noise 22dB SPL
Typical Load Impedance >1000 Ohms
Output Source Impedance 200 Ohms, transformer isolated
Dimensions 7.5” long, 1.8 max. diameter
Weight 1.5 lbs.
Power48V Phantom Power
Copyright © 2010 Sterling Audio
www.sterlingaudio.net
K
Frequency Response and Polar Patterns
st59 cardioid
+20
+10
MAGNITUDE dB
30°
+5 dB
-5 dB
60°
0
-10 dB
-15 dB
-20 dB
90°
-10
120°
-20
150°
180°
20
100
50
200
500
1K
2K
5K
10K
20K
FREQUENCY Hz
+5 dB
30°
30°
30°
-5 dB
60°
60°
-10 dB
-10 dB
-15 dB
-15 dB
-20 dB
-20 dB
90°
120°
120°
120°
150° 150°
180°
5K
2K
10K 5K
20K 10K
20K
125
250
60° 60°
90°
150°
+5 dB
30°
30°
-5 dB
60°
90°
+5 dB
125 500
2501000
90°
90°
120° 120°
150°
30°
-5 dB
-5 dB
-10 dB
-15 dB
-15 dB
-20 dB
-20 dB
30°
60°
90°
60°
90°
120°
90°
120°
150°
150°
180°
2500
5000
+5 dB
60°
-10 dB
150°
180°
500
1000
30°
2500
10000
5000
15000
125
250
120°
150°
180°
10000
15000
Copyright © 2010 Sterling Audio
www.sterlingaudio.net
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1K 5K
Frequency Response and Polar Patterns
st59 figure-8
+20
30°
+10
+5 d
MAGNITUDE dB
-5 d
60°
-10
-15
0
-20
90°
120°
-10
150°
180
-20
125
250
20
100
50
200
500
1K
2K
5K
10K
20K
FREQUENCY Hz
30°
+5 dB
+5 dB
30°
30°
-5 dB
60°
90°
120°
120°
125
250
2K 10K
20K
5K
10K
150° 150°
180°
500125
1000250
-15 dB
500 2500
1000 5000
-20 dB
90°
120°
60°
-10 dB
-20 dB
90°
120°
150°
150°
180°
60°
-15 dB
90°
30°
-5 dB
60°
-10 dB
-20 dB
90°
150°
60°
-15 dB
-20 dB
+5 dB
30°30°
-5 dB
60°
-10 dB
-15 dB
120°
+5 dB
30°
-5 dB
60°
60°
-10 dB
90°
30°
90°
120°
90°
120°
120°
150°
150°
180°
150°
180°
2500
10000
5000
15000
10000
15000
20K
z
Copyright © 2010 Sterling Audio
www.sterlingaudio.net
Frequency Response and Polar Patterns
st59 omni
+20
+10
MAGNITUDE dB
30°
+5 dB
-5 dB
60°
0
-10 dB
-15 dB
-20 dB
90°
-10
120°
-20
150°
180°
20
100
50
200
500
1K
2K
5K
10K
20K
125
250
FREQUENCY Hz
30°
+5 dB
+5 dB
30°
-5 dB
60°
-10 dB
90°
120°
150°
120°
150°
150°
180°
1K 5K
2K 10K
20K
5K
10K 125 20K
250
Hz
-10 dB
120°
120°
150°
125
500
250
1000
500 2500
1000 5000
60°
-15 dB
-20 dB
90°
90°
120°
150°
180°
30°
60° -10 dB
-20 dB
90°
90°
+5 dB
-5 dB
60°
-15 dB
-20 dB
90°
30°
30°
-5 dB
60°
60°
-10 dB
-15 dB
-20 dB
120°
+5 dB
30°
-5 dB
60°
60°
-15 dB
90°
30°
90°
120°
150°
150°
180°
120°
150°
180°
2500
10000
5000
15000
10000
15000
Copyright © 2010 Sterling Audio
www.sterlingaudio.net
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