Audio Input; Audio Output - Shure PSM 300 Guia Del Usuario

Specifications
PSM300
RF Carrier Range
488-937.5 MHz
varies by region
Compatible Frequencies
Per band
up to 15
Tuning Bandwidth
24 MHz Maximum
Note: varies by region
Operating Range
environment dependent
90 m (300 ft)
Audio Frequency Response
38 Hz–15 kHz
Signal-To-Noise Ratio
A-Weighted
90 dB (typical)
Total Harmonic Distortion
ref. ±34 kHz deviation @1 kHz
<0.5% (typical)
Companding
Patented Shure Audio Reference Companding
Spurious Rejection
ref. 12dB SINAD
>80 dB (typical)
Frequency Stability
±2.5 ppm
MPX Pilot Tone
19 kHz (±1 Hz)
Modulation
FM*, MPX Stereo
*ref. ±34 kHz deviation @1 kHz
Operating Temperature
-18°C to +63°C
P3R
Active RF Sensitivity
at 20 dB SINAD
2.2 µV
Image Rejection
>90 dB
Adjacent Channel Rejection
>60 dB
Intermodulation Attenuation
>50 dB
Blocking
>60 dB
Audio Output Power
1kHz @ <1% distortion, peak power, @32Ω
80 mW (per output)
Minimum Load Impedance
16 Ω
Headphone Output
3.5 mm (1/8") stereo
Net Weight
98 g(3.5 oz.) (without batteries)
Dimensions
110 x 64 x 21 mm H x W x D
Battery Life
5–7 hours (continuous use) AA batteries
P3T
RF Output Power
10, 20, 30 mW
Note: varies by region
RF Output Impedance
50 Ω (typical)
Net Weight
783 g(27.6 oz.)
Dimensions
43 x 198 x 172 mm (1.7 x 7.8 x 6.8 in.), H x W x D
Power Requirement
12-15V DC, 260 mA Maximum

Audio Input

Connector Type
6.35 mm (1/4") TRS
Polarity
Tip positive with respect to ring
Configuration
Electronically balanced
Impedance
40 kΩ (actual)
Nominal Input Level
switchable: +4 dBu, –10 dBV
Maximum Input Level
+4 dBu +22 dBu
-10 dBV +12.2 dBu
Pin Assignments
Tip=hot, Ring=cold, Sleeve=ground
Phantom Power Protection
Up to 60 V DC

Audio Output

Connector Type
6.35 mm (1/4") TRS
Configuration
Electronically balanced
Impedance
Connected directly to inputs
13