Wisco International -(Ramsey Communications Solutions

PX50 50W LPFM Stereo Transmitter

PX50 50W LPFM Stereo Transmitter We asked LPFM licensees and users what they really wanted and needed in an FM stereo transmitter. We listened to a lot of current customers already using our very popular PX1 transmitter about features they would like. And we even listened to people using competitive equipment telling us what they really wanted!
What did we hear? You wanted an ultra-reliable transmitter that had automatic protection circuits that would keep you on the air, rather than shut you down. You asked for constant diagnostics on all critical circuits and functions. You wanted to use it anywhere in the world, regardless of input voltage or frequency plan. You wanted to have automatic battery backup to eliminate costly standby generators.
You asked for more power than 35 watts but wanted it to run extremely cool while remaining extremely quiet. You wanted full digital display of all functions, parameters, settings and alarms. And because of the confusion with the FCC equipment requirements you wanted an FCC CERTIFIED transmitter, not just a verified transmitter. You told us what you wanted...CONSIDER IT DONE! The PX50 Professional LPFM transmitter, designed specifically to YOUR specs!

Operation of the PX50 is simple and intuitive via the front panel navigation switch matrix. All functions, controls, and status are displayed on the 2 line by 20 character vacuum fluorescent display. Simple navigational controls and displays are provided for:

Installation of the PX50 is a breeze. A standard Type-N connection is provided for RF Output. Balanced (XLR) left and right audio inputs are provided to properly interface with any audio source you have. In addition, BNC SCA/Digital/RDS inputs are provided along with a quick disconnect connector for a 12 VDC standby/back-up power input. In short, connect your audio sources and antenna, power it up, set frequency and power level via the front panel navigation switch matrix, and you’re on the air! It doesn’t get any simpler!

50W RF Output, Continuous Duty
FCC Certified, Parts 2, 73, 74
Automatic Monitoring
Automatic VSWR Protection
Automatic Temperature Protection
Digital Display of All Parameters

Specifications:
Frequency Range:	87.5 to 108.1 MHz
Primary Power Input:	85-264 VAC, 47-63 Hz; 120-370 VDC
Backup Power Input:	12-14 VDC
Broadcast Modes:	Stereo/Mono + SCA and Digital RDS Inputs.
Bandwidth:	±75 kHz when properly adjusted, auto adjust feature prevents overmodulation.
Separation:	Better than 50 dB (typical 60 70 dB)
Crosstalk:	Better than 50 dB.
Asynchronous:	Better than 60 dB.
THD:	Better than 0.3% with processing.
Audio Inputs:	Standard Balanced Inputs +4 dBu/1.228V rms/3.47 V p-p; -10 to +10 dBm range.
Audio Input Impedance:	22K Ohms
SCA and Digital Inputs:	BNC (50 Ohms)
RF Output:	50W Continuous into a 50 ohm load. Fully adjustable from 1 watt to full power.
Harmonic Suppression:	Better than -81 dBc
Display:	2 lines x 20 characters vacuum fluorescent display.
Controls:	5 navigation controls (Up, Down, Left, Right, Enter)
Cooling:	High CFM Fan, dual filtered front intake, rear exhaust.
Over-Power Protection:	Continuously checks for proper power output to within 5%.
VSWR Protection:	Continuous VSWR monitoring, controlled via Power Reduction On Error and Power Restoration Timer settings.
Over-Temperature Protection:	Auto over-temperature control, 70°C max. fixed, controlled via Power Reduction On Error and Power Restoration Timer settings.
Auto Power Reduction On Error:	Automatically reduces power output to 85%, 75%, 50%, 25% or full disable of set power level.
Auto Power Restoration Timer:	Sets the time interval for automatic error checking to clear reduced power modes and to restore full set power level.
Overmodulation Protection:	Auto control of audio modulation levels, on/off.
Audio Frequency Range:	20 Hz to 16 kHz ±1 dB. Steep brick wall 16 kHz low phase shift, low pass filter, down 68 dB @ 19 kHz and above.
Adjustments:	Audio input levels, Modulation Level, Power Level, Frequency (in 100 kHz steps), Stereo/Mono mode, Auto Adjust Modulation mode (On/Off)
Regulatory Approval:	Meets or exceeds FCC 47CFR Parts 15.107(b), 15.109(b); FCC CERTIFIED FCC 47CFR Parts 2, 73, and 74 (ID: PF3PX50)
Dimensions:	Standard 2-unit rack-mount case, 19" wide, 14.25" deep, 3.5" high.

PXB50 50W LPFM Stereo Radio Station In-A-Box

PXB50 50W LPFM Stereo Radio Station In-A-Box One of the most requested FM broadcast products over the past year has been a “radio station in a box”. At first we laughed. What did they mean... in a box? Then as the requests came pouring in, we found out! Overseas customers, as well as some of the new LPFM licensees have a need to quickly “get on the air” at temporary locations or in the interim to their installed studio/transmitter setup. A number of overseas customers also had to originate short term programming from various remote origination sites for disaster preparedness broadcasts! Well, here you go... a radio station in a box! First we took our state of the art PX50 FM Stereo Transmitter and installed it in an impact resistant, rack mount travel case. Then we added the
Superscope PAC750 integrated mixer/cassette deck/CD deck. We pre-wired them, then added a professional microphone and some cables. Finally, we included our 3.4 dB gain omnidirectional FM Broadcast antenna with 100 feet of matching low loss coaxial cable. There you go, a complete radio station, ready to plug in, and be on the air!
Just imagine: Show up, open up the case, plug in the AC power, temporarily mount the antenna, connect the coax, and you’re all set! The applications are endless! From live remotes to station backup transmitters, our “Station In A Box” is your solution! (Note: The end user is responsible for complying with all FCC rules & regulations within the US, or any regulations of their respective governing body).

PX50 FM STEREO TRANSMITTER
Complete 50 Watt Synthesized FM Stereo transmitter. See page 14 for full details and specifications.

PAC750 INTEGRATED AUDIO SYSTEM
A complete, integrated, professional audio system. Includes an input audio mixer, cassette deck, CD player, with full audio and cueing controls.

FMA200 OMNIDIRECTIONAL VERTICAL ANTENNA
This 5/8 Wave Omnidirectional antenna gives you 3.4 dB gain over a unity gain antenna. That’s more than twice the effective radiated power. That will give you the maximum punch from your temporary location. See page 13 for full details and specifications. Quick, on-the-spot assembly specifically for your operating frequency. Easy to mount on any mast, tower, or building. Some customers have even mounted them on the roof of their van, and have operated the station from inside the van!

We include 100 feet of low loss LMR-400 coaxial cable, with connectors pre-installed to get you on the air quick.

PROFESSIONAL MICROPHONE, STAND, AND CABLES
Professional handheld dynamic microphone, 25’ professional XLR microphone cable, and a matching desk stand.