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.

Have a quick look at the MAX PRO 3+ manual here!
Have a quick look at the LCD module manual here.

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 and adjustable SWR/TEMP/PLL UNLOCK protection
- MAX PRO 3+; Possible operation without the 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

NOTE: To use this unit with LCD display you also need to order LCD display uni. MAX PRO 3+ can also be used without LCD display (DIP switches).

To purchase an antenna or coaxial cable etc check under transmitter accesories!