Attention:
The use of Linear Amplifiers are controlled by specific laws wi-
thin the country of use. These laws must be known to the user
and are entirely the responsibility of the user. The manufacturer
declines any responsibility from unlawful use.
Warranty:
This product is covered by a 24 month warranty commencing from the date of purchase.
The original purchase receipt will be required for any claim. This warranty does not cov-
er aesthetic damage or damage to the RF power transistors from incorrect use.
KL503
HF 25—30 MHz Linear Amplifier
WARNING: Before using this product please read carefully
all of the information in this manual or at least the quick start guide!!! To
avoid damage or incorrect operation this is extremely important!!!
Specifications:
Operation Frequency: 25—30 MHz (10m Amateur HF Bands)
Modulation Types: SSB,CW,AM, FM, (All narrowband modes)
Transistor: 8x RM 3 1x RM 4 MOSFET
Max I/P Current: 32A
Power Supply: 13.8VDC+/- 1V 40A
Input Fuse (Internal): 3x10A (Auto Fuse)
Input RF Power: 1-6W max (All modes)
Output RF Power: 300W max
Maximum bypass power (Amplifier off): 50W max
Input VSWR: 1.1—1.5:1
Ver 2.0 Feb. 2021
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