Welcome

SR-4
1 to 15-Watts Amplifier

The SR-4 Amplifier

The SR-4 Technical Specifications
and Features….





(View our printable brochure)

For those wanting more power we offer the
SR-4, 30 MHz 1 to 15-watts Amplifier for only $720.00.
(Sale Price $620.00* when purchased with a GB-4000.
(Order here)

Try the GB-4000, SR-4 amplifier, or M.O.P.A., amplifier for 60-days. You have 60 days to decide to keep them or return them for a full refund, less 10% restocking fee. Returned generator must be in original condition. The GB-4000, SR-4, and *M.O.P.A. amplifiers also include a full two-year *limited warranty on parts and labor. (Exception: 90 days on 812a vacuum tube.)

 

The Amplifier increases the RF output of the GB-4000
from 4.7 watts up to 15-watts power output.

Below are some benefits and features of the SR-4 Amplifier

  • Increases the RF output of the GB-4000 from 4.7 watts up to 15-watts output.

  • Easily connects to the GB-4000 with the 2 cables provided.

  • 4 sets of dual outputs for multiple use.

  • L.E.D. RF indicator light confirms RF output.

  • Ease of operation. Power output is controlled by the GB-4000.


    If you are looking for even more power than the SR-4 amplifier then the M.O.P.A. 190-watts power amplifier may be just what you are looking for. Click on the M.O.P.A. tab and read more about the M.O.P.A.


The Compact Travel Case

The compact travel case is a smaller case than the deluxe case. Because of its small compact size it can be shipped for less to almost any country through the USPS. It is ideal for those who want to be able to carry their GB-4000 and SR-4 amplifier when they fly. It easily fits into the overhead compartments on any airline. It is rugged, light weight and will protect the GB4000 and SR-4 with ease. The price is $140.00.