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Reviews For: KV5J Digital Display Unit for the Elecraft KXPA-100 amplifier

Category: SWR & Wattmeters & Dummy Loads

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Review Summary For : KV5J Digital Display Unit for the Elecraft KXPA-100 amplifier
Reviews: 1MSRP: $139.00
Provides a digital readout of power and SWR to augment the blinking leds from the Elecraft KXPA-100 amplifier
Product is in production
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# last 180 days Avg. Rating last 180 days Total reviews Avg. overall rating
W6GDK Rating: 2021-08-13
Neat addition to the KX3 line up Time Owned: 0 to 3 months.
I just got this digital readout for the KXPA-100 and got it hooded up to my full KX-3 line. The DDU (Digital Display Unit) eadout works as it should with easy hook up.

Of course there are a couple of caveats. The serial line connects to the PC connection on the KXPA-100. This precludes having the serial to USB cable connected for communications to a PC through the entire sysems. This may be an issue if using HRD or similar programs for remote control of the KX-3.

Second, the readout is sensitive to the power up sequence of the amplifier. The amplifier needs to be powered up and ON before turning on power to the DDU. The DDU needs to connect to the amp and if the amp is not on you will not get a power read out. It will look like it is operating okay with Voltage and Temp. but power out won't display.