RM KL-405 1
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RM Amplifiers

RM KL-405 HF linear amplifier operates within the frequency range of 3-30 MHz.

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£249.95
(£208.29 exc. VAT)
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Product code: KL-405
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£249.95
12 Months 14.9% APR
£24.99
£21.54
£283.47
£249.95
18 Months 14.9% APR
£24.99
£14.36
£283.47
£249.95
24 Months 14.9% APR
£24.99
£10.77
£283.47
£249.95
36 Months 14.9% APR
£24.99
£7.18
£283.47
£249.95
48 Months 14.9% APR
£24.99
£5.38
£283.47
£249.95
12 Months 19.5% APR
£24.99
£22.40
£293.81
£249.95
18 Months 19.5% APR
£24.99
£14.93
£293.81
£249.95
24 Months 19.5% APR
£24.99
£11.20
£293.81
£249.95
36 Months 19.5% APR
£24.99
£7.47
£293.81
£249.95
48 Months 19.5% APR
£24.99
£5.60
£293.81

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RM KL-405 1

RM KL-405 HF linear amplifier operates within the frequency range of 3-30 MHz.


A high-power broadband amplifier has been developed with a unique feature set. It offers variable output power ranging from approximately 50W to 180W for AM/FM signals. The amplifier operates within a frequency range of 3-30 MHz and requires an input energy/power of 12-24 A. The input power varies depending on the signal type, with 1-10 W for AM/FM and 2-20 W for SSB/CW.

This amplifier has a switchable pre-amplifier that provides a fixed 26 dB gain on reception. It features six adjustable output power levels, allowing for flexibility in signal transmission. The device supports multiple modes, including AM, FM, SSB, and CW. Additionally, it incorporates an electronic switch and offers protection against polarity inversion.

This broadband amplifier is compact yet powerful, measuring 70x210x62 mm. It is designed with 2 X 12 A fuses to ensure safe operation. With its versatile output power options, frequency range, and mode selection capabilities, it is a valuable tool for various communication applications.

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