page 5
Specifications
Frequency Response:
20 Hz to 22 kHz, +0.1, -0.5 dB, –1 dB at 50 kHz (relative to 1 kHz level with 150 ohm source)
-6
+1
-5
-4
-3
-2
-1
+0
d
B
u
10
100k
20
50
100
200
500
1k
2k
5k
10k
20k
50k
Hz
Gain:
0 dB to 66 dB input to output, switch selectable
Gain Accuracy:
+0.6, –0.1 dB with reference to front panel gain markings
(150 ohm source, 100k ohm load impedances)
Equivalent Input Noise:
–126 dBu (–128 dBV) minimum
(150 ohm source, flat weighting, 22–22 kHz bandwidth, gain setting 36 dB or greater
Output Clipping Level:
+22 dBu minimum with 100k ohm load
+20 dBu minimum with 600 ohm load
Input Clipping Level:
+4 dBu minimum at the 0 or +18 dB gain setting
Dynamic Range:
122 dB minimum at the +18 dB gain setting
THD + Noise:
0.05% maximum (from 50 Hz – 22 kHz @ +4 dBu output level, +46 dB gain setting)
Common Mode Rejection Ratio:
100 dB minimum at 80 Hz
60 dB minimum at 10 Hz
Input:
Transformer-balanced, 2000 ohm input impedance
Output:
Transformer-balanced, 130 ohm output impedance
Low Cut:
80 Hz or 160 Hz (switch selectable), 6 dB per octave
Phantom Power:
12-volt or 48-volt (switch selectable) per DIN 45 596 specification
Limiter:
Limits to +17 dBu output level 10:1 limiting ratio; 5 mS attack time, 100 mS release time;
Amber/Red LED indicates limiting/clipping
Internal Voltage Rails:
±15 V, regulated
Power:
2 AA batteries, 24 hours life typical with +4 dBu signal into 600 ohms, no phantom power.
Power LED:
Green indicates power and good battery. Red indicates power with low batteries. LED turns red when
approximately 4 hours of battery life remain.
Polarity:
Mic input to line output is non-inverting
Operating Temperature Range:
0° to 70° C 32° to 160° F
Dimensions:
43 mm x 94 mm x 140 mm (h x w x d)
(1.7” x 3.7” x 5.55”)
Weight: (unit only):
0.56 kg, 1.24 lbs (unit only)
0.86 kg, 1.90 lbs (packaged)
Certification:
Meets FCC Part 15 Class B
Eligible to bear CE mark (see conformance statement)
