That brings a lot of value added to the factor-built version. IMO,
worth the price, especially considering the number of hours spent in
checking the rig.
73 de Ray
K2ULR
KX3 #211 (Kit.. with no regrets)
On Jan 4, 2013, at 6:14 PM, Eric Swartz - WA6HHQ, Elecraft wrote:
Hi Richard,
While we do test and align the PCB boards identically on the kit and
factory assembled KX3s, we do further testing on the assembled units
to insure that we built them perfectly.
Assembled KX3s are given an preliminary TX and RX test after
assembly, followed by a multi-hour burn in rack test. There under
computer control we stress test the KX3 by transmitting key down on
each band while checking temperature, current and power out and also
check tuning of the ATU on each band. This occurs in a repetitive
fashion - cycling through the bands - for a minimum of 8 hours.
After passing burn-in, the assembled KX3 goes to final test on a
technicians lab bench, where we test all RX and TX parameters on all
bands, including RX sensitivity, TX power, Current drain in TX, TX
IMD etc. We also do tests on the SSB audio, CW keying, receive audio
and a number of other parameters. Each added option is also tested
in the KX3.
In general we see few failures in burn-in or final test, due to our
extensive testing of the PC boards before assembly (and before
packaging them into kits).
73,
Eric
---
www.elecraft.com
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