STMAX 9000+ FM Exciter

New STMAX 9000+ FM Exciter - FM Transmitter Kits View larger
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: FM Transmitter Kits

: STMAX 9000+ FM Exciter

The STMAX 9000+ FM exciter features digital modulation, built-in stereo, and RDS with an LCD display for easy control. Available in 15W, 25W, 50W, and 75W versions, designed for 24/7 noiseless operation.

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€ 419,99

Quantity Discount You Save
2 2% Up to € 16,80
4 4% Up to € 67,20
6 6% Up to € 151,20
8 8% Up to € 268,79
10 10% Up to € 419,99

Product information

Technical Specifications:

  • RF Output Power: Adjustable from 0 to 15W, 0-25W, 0-50W, 0-75W via an LCD screen with gradual steps. The power adjustment range can also be limited (0-1W, 0-2W, 0-3W, 0-4W … 0-15W, 0-off) using a jumper (options vary depending on the model).

  • Output Connector: Female BNC

  • Output Impedance: 50 Ohms

  • Frequency Range: 87.5 – 108 MHz

  • PLL Steps: 50 KHz – 500 KHz, adjustable

  • Frequency Stability: ± 20 Hz

  • Harmonic and Spurious Rejection: Harmonics: > 50 dB, Spurious: > -50 dBc

  • Power Supply:

    • 15W model: 12-15V/2.5A

    • 25W model: 12-15V/4.5A

    • 50W model: 12-15V/7A

    • 75W model: 12-15V/12A

  • Power Connector: 15W and 25W (barrel type, center +); 50W and 75W models: new design with plug-in and 2 screw connectors

  • Frequency Control: Quartz Locked PLL, integrated digital modulator

  • Audio Performance: Less than 0.1% distortion, 20Hz – 15KHz

  • Protection Features:

    • SWR protection

    • Over-temperature protection

    • Polarity protection

  • Selectable Functions via LCD:

    • Pre-emphasis: 50μS, 75μS, or none

    • Stereo pilot level

    • RDS pilot level

    • MPX level

  • Audio Specifications:

    • Audio Input Impedance: 1kΩ, unbalanced

    • Audio Input Level: -10dBu, +4dBu (selectable)

    • Stereo Separation: >50 dB

    • Signal-to-Noise Ratio: >90 dB

  • Dimensions: PCB 100 x 125 mm

  • Audio Connections:

    • 2x RCA

    • 14-pin connector for external input board with balanced XLR inputs

  • RF Monitor: Solder pads for RF monitoring

STMAX 9000 Includes:

  • 2x16 LCD display with 3 buttons

  • Audio input board AES/EBU (RCA+XLR+USB) + 20cm flat cable

  • Flat cable for LCD display

To be Purchased Separately:

  • Power supply for STMAX 9000

  • Power selection, see options on the product page

  • Microcontroller with software for 76-108MHz, see options on the product page

Accessories