Mobile Amplifier Plans
Mobile Amplifier Plans
Explore our selection of mobile amplifier plans designed to enhance your audio experience. Whether you're seeking performance, portability, or both, we have options tailored for your needs. Get inspired by our innovative designs and take your sound on the go!

Amplifier Plan Set Construction & Operation by Lou Franklin
In Stock
This plan set explains in detail how to build a solid-state RF amplifier suitable for use on the 80-10 meter Amateur Radio Bands. Consists of 28 pages of helpful, step by step instructions to build a linear amplfier from start to finish.
Includes:
- Mechanical Assembly Methods
- Component details
- Printed Circuit Board
- Theory of Operation
- Broadband Transformers
- Power Supply
- Additional Reading Material references
- Part Sources
- Step by Step Assembly Instructions
- Testing and Checkout
- Schematic Circuit Diagram
- Templates for Heatsink, Cabinet, Front and Back panels
MFR: CBC International / Lou Franklin
SKU: CAOML
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HL-36U RF Limited "Power Plus" Mobile Amplifier 420-450 MHz 5-30 Watts 13.8v DC (NOS)
In Stock
The Power Plus HL-36U 70 Centimeter All Mode Linear Amplifier is the perfect combination of performance and value. Employment of strip-line technology coupled with modular construction provides the HL-36U with unsurpassed reliability and RF performance.
- Switchable GaAsFET receive preamplifier
- Low Noise filter
- Switchable Dual Mode operation (FM / SSB)
- Input power protection circuitry (Overdrive protection)
- RX and TX indicator LED's
- Mounting Bracket / Hardware
New Old Stock * No longer available for export
MFR: RF Limited
SKU: HL-36U
(90 day limited over the counter warranty through RF Parts)
NOTE: These amplifiers were found in storage. Factory no longer produces this item and does not support warranty offered in manual.

HL-36U RF Limited "Swallow" Mobile Linear Amplifier 420-450 MHz 5-30 Watts 13.8v DC (NOS)
In Stock
The "Swallow" HL-36U 70 Centimeter All Mode Linear Amplifier is the perfect combination of performance and value. Employment of strip-line technology coupled with modular construction provides the HL-36U with unsurpassed reliability and RF performance.
- Switchable GaAsFET receive preamplifier
- Low Noise filter
- Switchable Dual Mode operation (FM / SSB)
- Input power protection circuitry (Overdrive protection)
- RX and TX indicator LED's
- No Hardware
- Removed from Original Box - Never used
New Old Stock * No longer available for export
MFR: RF Limited
SKU: HL-36U-S
(90 day limited over the counter warranty through RF Parts)
NOTE: These amplifiers were found in storage. Factory no longer produces this item and does not support warranty offered in manual.

HL-62V RF Limited "Power Plus" Mobile Linear Amplifier 144-148 MHz 5-60 Watts 13.8v DC (NOS/NIB)
In Stock
The Power Plus HL-62V 2 Meter All Mode Linear Amplifier is the perfect combination of performance and value. Employment of strip-line technology coupled with modular construction provides the HL-62V with unsurpassed reliability and RF performance.
- Switchable GaAsFET receive preamplifier
- Low Noise filter
- Switchable Dual Mode operation (FM / SSB)
- Input power protection circuitry (Overdrive protection)
- RX and TX indicator LED's
- Mounting Bracket / Hardware
New Old Stock * New In Box * No longer available for export
MFR: RF Limited
SKU: HL-62V
(90 day limited over the counter warranty through RF Parts)
NOTE: These amplifiers were found in storage. Factory no longer produces this item and does not support warranty offered in manual.