Rm kl 503 all mode 20-30mhz 300w amplifier input power,
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RM Amplifiers

RM KL 503 is an all-mode 20-30MHz 300W amplifier with input power.

£229.96
(£191.63 exc. VAT)
£279.95
(£233.29 exc. VAT)
Fast uk delivery
Worldwide delivery
Out of Stock
Mode: AM-FM-SSB-CW.
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Product code: 23-214
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£279.95
12 Months 14.9% APR
£27.99
£24.12
£317.49
£279.95
18 Months 14.9% APR
£27.99
£16.08
£317.49
£279.95
24 Months 14.9% APR
£27.99
£12.06
£317.49
£279.95
36 Months 14.9% APR
£27.99
£8.04
£317.49
£279.95
48 Months 14.9% APR
£27.99
£6.03
£317.49
£279.95
12 Months 19.5% APR
£27.99
£25.09
£329.08
£279.95
18 Months 19.5% APR
£27.99
£16.73
£329.08
£279.95
24 Months 19.5% APR
£27.99
£12.55
£329.08
£279.95
36 Months 19.5% APR
£27.99
£8.36
£329.08
£279.95
48 Months 19.5% APR
£27.99
£6.27
£329.08

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Rm kl 503 all mode 20-30mhz 300w amplifier input power,

RM KL 503 is an all-mode 20-30MHz 300W amplifier with input power.


The 250-watt solid-state mobile amplifier operates between 20-30MHz, offering a 6-way output power control and a low-noise pre-amplifier. Safety features include an electronic switch and inversion polarity protection. It requires 12-14 Vcc supply voltage and 12-30A input energy/power, with input power ranging from 1-6W and 2-12W for SSB. The maximum output power is 250W, reaching 450W PEP for SSB.

This versatile amplifier supports AM, FM, SSB, and CW modes, safeguarded by a 3 x 10A fuse. It has compact dimensions of 170 x 295 x 62mm, weighs 1.5 Kg, and features an antenna preamplifier with a 26 dB gain.

In conclusion, this amplifier is a reliable and efficient choice for various modes of operation, offering a wide range of features in a compact and lightweight design. The safety measures, along with the 6-way output power control and antenna preamplifier, make it a valuable addition to any mobile communication setup.

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