Lectrosonics VP300W User Manual
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Portable Public Address System
2.02.5.3 All M30 Series Transmitters are designed to operate with the Lectrosonics M116 and M118 microphones.
They will also operate with the hand-held M131SW Microphone using an MC-38 Microphone cord.
2.02.5.4 Satisfactory operation up to a range of 200 feet can be expected under conditions normally encountered.
This range may extend to 500 feet under optimum conditions.
2.02.6 M30 TRANSMITTER SPECIFICATIONS
RF OUTPUT:
50 milliwatt, FM modulated.
ANTENNA:
Internal ferrite dipole radiator
CARRIER FREQUENCY STABILITY:
0.01% crystal controlled
POWER SOURCE:
M30 - 9 Volt alkaline battery provides 20 hours of operation at
4 hours per day or 15 hours continuous operation.
DIMENSIONS:
2 1/4" wide x 3 1/4" high x 1 1/16" thick.
2.02.7 R300 RECEIVER MODULE SPECIFICATIONS
ANTENNA:
54" telescoping whip
CONTROLS:
Wireless microphone volume control and on-off switch with green LED
carrier indicator lamp.
RF SENSITIVITY:
0.5 microvolt for 20dB quieting.
SIGNAL-TO-NOISE RATIO:
• 70dB at 40dB input (100 microvolt)
• 53dB at 20dB input (10 microvolt)
• 32dB at 0dB input (1 microvolt)
UNICHANNEL SELECTIVITY:
• 6 pole crystal filter
• Adjacent channel rejection, 18dB at 20kHz from carrier. Alternate channel
rejection, 50dB at 40kHz from carrier.
• Image rejection better than 80dB
• Spurious response rejection better than 80dB.
AM REJECTION:
Better than 60dB.
FREQUENCY STABILITY:
0.005%, crystal controlled
SQUELCH SYSTEM:
Factory set, no adjustments required.
3. VP300 OPERATION
3.01 By observing a few simple rules when setting up the VP300 you will be assured of optimum performance.
(a) Make sure the battery pack is fully charged before setting up.
(b) Elevate th unit for maximum sound coverage. The VP300 is equipped with a 1/2" diameter socket which fits the
Lectrosonics Model SS-4 Tripod Stand.
(c) Locate the VP300 so that the sound from the speaker cannot readily enter the microphone.
Rio Rancho, NM – USA
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