• Country
• Italy

• Manufacturer / Brand
• RM Costruzioni Elettroniche s.n.c. (RM Italy); Ponte della Venturina, Bologna

• Year
• 2008

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 286538

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Powered by external power supply or a main unit. / 24-28 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: HF Linear Amplifier KL 500/24 - RM Costruzioni Elettroniche s.

• Dimensions (WHD)
• 170 x 62 x 295 mm / 6.7 x 2.4 x 11.6 inch

• Notes

• Solid State High Frequency AM-FM-SSB_CW linear Amplifier based on two MRF422 Power  bipolar transistor; Frequency Range 3MHz to 30MHz; Voltage Supply 24 to 28 VDC; Input RF Power 1W to 10; Maximum Output RF Power 300 W;  Maximum Supply Current 16 A; Electronic RX/TX Switch; Inversion Polarity Protection; Antrnna Preamplifier Gain 26 dB; six Output Power Levels.

• Net weight (2.2 lb = 1 kg)
• 1.4 kg / 3 lb 1.3 oz (3.084 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 6 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RM Costruzioni Elettroniche s.n.c. (RM Italy); Ponte della Venturina, Bologna