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MAXPRO
3+ |
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Professional no-tune
15 W FM transmitter
MAX PRO 3+ replaces the innovative MAX PRO 3 and adds new hot features. MAX PRO 3+ is a direct result of many years of experience and development in the RF field. Innovative design provides for amazing unparalelled RF field immunity, making it easy to integrate into an enclosure with an integrated 100-1000W amplifiers and use at various transmitter locations (system integrators will love this). It was developed to form the heart of various professional FM transmitters. Another feature for the system integrators is possibility to connect this unit to our SE4 DSP stereo encoder, making it possible to use the same LCD display unit to set Mono/Stereo operation, preemphasis, compressor/limiter settings and bass/treble. Let's not forget the adjustable built-in SWR protection and overheating protection. Another welcome new feature are the on-board DIP switches, making it possible to set frequency and use the unit without the LCD. Output power can be adjusted in 3 jumper-selected ways, via on-board potentiometer, LCD display or a trimmer. You can easily set the power required to driver your favourite amplifier of choice.
Why is MAXPRO 3+ so great?
- true wideband no-tune operation
- high power (15W typ, 20W max)
- extreme VCO isolation and RF field immunity (our exclusive innovative design)
- directly supports our SE4 DSP stereo encoder via LCD MENU system
- SWR and TEMP protection with adjustable sensitivity
- Operation with or without LCD display
- Power adjustment via LCD, trimmer or potentiometer
How is MAXPRO3+ better than MAXPRO3?
- Minimal PLL step now 6.25KHz
- Operation without LCD module now supported
- Enhanced SWR/TEMP/PLL UNLOCK operation
- Improved board layout
- Improved heat sink
Why is MAXPRO3+ better than MAXPRO4?
- MAX PRO 3+; Minimal PLL step is a lot smaller (6.25KHz versus 50KHz)
- MAX PRO 3+; Features better immunity for strong RF fields and is better suited for high-power applications
- MAX PRO 3+; Better SWR/TEMP/PLL UNLOCK operation
- MAX PRO 3+; Possible operation without the LCD module
Have
a quick look at the manual (MAXPRO 3+)
Have a quick look at the manual (LCD module)
Technical specifications:
- RF Output Power: 0 to 15 Watts (20W max., fully variable)
- Output connector: BNC
- Output Impedance: 50 Ohms
- Frequency Range: 87.5-108MHz (50-200MHz per request)
- PLL Steps: 6.25KHz (12.5/25/50/100KHz possible)
- Frequency stability: +/- 20Hz
- Spurious/Harmonic rejection: Harmonics: -60dB, Spurious: -90dB
- Power Supply: 12-15V/3A or battery
- Quartz Locked PLL Frequency Control
- Ultra Stable, Ultra Clean Output
- Out of Lock Power Down
- No Expensive Test Equipment Required
- Audio performance: Less than 0.2% distortion, 20Hz-75KHz
- RF output ruggedness: SWR protection
- Polarity protection
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To purchase an antenna or coaxial cable check under accesories!
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MAX PRO 4 +
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Professional reliable no-tune
10 W FM transmitter
MAX PRO IV+ is an answer for those looking for a reliable 10W exciter with an unbeatably wide array of features. This no-tune wideband FM transmitter offers SWR protection, temperature protection, and LCD display for easy digital frequency and power adjustment (via up/down keys). It comes with many nice additional goodies, such as a schematic, parts list, included trimmer for fine-setting the PLL to the last hertz (which none of the competitive units have), on-board connectors for power, audio input, audio level trimmer, built-in pre-emphasis (jumper selectable 50uS and 75uS), and expansion connector for direct connection with SE4 DSP+. It is possible and easy to connect this unit to our
SE4 DSP stereo encoder, making it possible to use same LCD display unit
to set Mono/Stereo operation, preemphasis, compressor/limiter settings
and bass/treble.
Power can be adjusted either by LCD menu
system or fixed to one of the preset levels by internal jumpers (thus preventing the user fiddling with the boxed unit).
A 15W final transistor has been used, but is only driven to 10W to offer exceptional reliability. A new efficient heatsink has been developed especially for MAX PRO IV+ to ensure reliable operation.
To sum it all up, the most notable points are:
- true wideband no-tune operation
- high power, 10W (can be extended to 15W), making it possible to drive most 100-300W stages
directly
- directly supports our SE4 DSP+ stereo encoder via
LCD MENU system
- SWR and over-temp protection
- Schematic included
- Available as a KIT also
Have
a quick look at the manual (MAX PRO IV+)
Have a quick look at the manual (LCD module)!
Features:
RF Output Power: 0 to 10 Watts
max., fully variable
Output connector: BNC
Output Impedance: 50 Ohms
Frequency Range: 87.5-108MHz (50-200MHz per request)
PLL Steps: 50KHz
Frequency stability: +/- 20Hz
Spurious/Harmonic rejection: Harmonics: -60dB, Spurious: -90dB
Power Supply: 12-13.8V/2A or car battery
Quartz Locked PLL Frequency Control
Ultra Stable, Ultra Clean Output
Out of Lock Power Down
No Expensive Test Equipment Required
Audio performance: Less than 0.2% distortion, 20Hz-75KHz
RF output ruggedness: SWR protection and temp protection
Polarity protection
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To purchase an antenna or coaxial cable check under accesories!
This product starts shipping on December 5th, 2005.
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