Amplifier Relay Interface Box - Henry Amplifiers

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Amplifier Relay Interface Box - Henry Amplifiers - Buffer for Modern Transceivers

This auction is for one new high quality relay box to interface between any modern radio and Henry tube amplifiers.  See the specifications below. The relay interface operates from 12 vdc. The box measures approximately 2.75" high by 1" diameter.  The relay box is guaranteed good or your money back. This is new inventory at the Henry Radio store in Los Angeles, California. Shipping anywhere in the continental US is free. International shipping will be quoted on request.

Many newer radios can only provide for a small amount of current on the external amplifier keying output.

Our box will draw 0.3 MA from your radio and will key any amplifier. A very handy accessory. Get one BEFORE you damage your radios amplifier keying output!
RCA jacks in and out
Needs 9-15 VDC at only 40 ma!
Relay rated up to 240 VAC at 5 AMPS!
Genuine relay used for switching (not an easy to damage solid state device)
See separate ebay listing for RCA-RCA male connector cables 
View MANUAL at http://radiodan.com/pdf/RBI-1%20sheet.pdf

This is not one of those types that make you use a battery to power the unit! This high quality device is power by your station power supply or any filtered DC source from 9-15 VDC (only 40ma required)

When connecting your Radio and Amplifier, there may be switching voltage, polarity, and current incompatibility  that can cause damage to your radio or amplifier if connected without a switching interface between them. Even if your internal radio switching looks like it might be usable, it is wise to have an extra degree of isolation between your amplifier and radio with our relay buffer interface.

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On Sep-15-09 at 17:44:53 PDT, seller added the following information:

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