• 33 Ball Pond Road, Danbury, CT 06811-2828
  • 203-733-2110
How to Order Lunar-LinkTM Amplifier Products

la12a-msi-open-top-no-front-webLunar-Link amplifiers may be purchased as a complete package including all necessary components required for an easy installation into your station or “a la carte” as individual components.

A complete amplifier package includes the following components:

  • Amplifier RF deck: LA-72A, LA-22A, LA-12A or, LA-62A
  • Tabletop design with a black powder coated cover
  • Dual Speed Blower
  • Peak reading RF power meter
  • Two type 3CX800A7 RF power tubes
  • VR2 vacuum T/R relay
  • Model PS-72D HV power supply

Options (consult the factory)

  • High speed amplifier deck blower
  • Rack panel mounting for amplifier deck
  • Pulse rated RF power electron tubes – type 3CPX800A7
  • Power supply internal and/or external cabinet fans
  • LA-72Model PS-70D HV power supply (for use with pulse tubes)
  • Model PS-70DX HV power supply

Ordering Questions:

  • Do I need a high speed blower ?

For most users the standard blower is more than adequate (quiet with low vibration) for use with digital mode operation. A high speed blower does offer an increased cooling capability however, they produce additional noise and vibration. The optional blower may be required if your station is operated at high elevations (above 5000′ ASL).

  • Can I use my own RF power tubes?

Yes you may – as along as they are known to be tested good at the intended frequency of operation. We will of course bench test the amplifier using our standard pair of tubes. There will however be a warranty limitation in the event that these tubes cause damage. Testing your tubes at the factory may incur additional charges.

  • Why is the high voltage power supply’s AC mains input rated at 220VAC only (not 110VAC) ?

Operating the amplifier at its 1500 watt output rating requires a stable high current AC mains source. The typical 220VAC power supplied to a house will easily supply the needed power without input voltage sag (which results in high voltage fluctuations during the transmit cycle.

This model uses a robust 3KVA power transformer that was originally developed for our industrial customers that require 100% (continuous) key down RF output power. The PS-70DX is available to amateur radio users (with a defined output voltage) that enables it  to power RF amplifiers that use power tubes such as the 8877, 8938, GS-23b and, GS-35.

Click these links for the product data and specifications page:

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