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Ampkeyer with HA-14 and 6300

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Dave - W6OVP
Dave - W6OVP Member ✭✭
edited June 2017 in FLEX-6000 Signature Series
I would like to hook a 50 yr old Heathkit HA-14 "Kompact Kilowatt" amplifier to my FLEX 6300. (It's basically the same as the SB-200 but in 2 boxes, using a pair of 572B's.) Have an Ampkeyer intermediate relay box but don't see any comments about using this setup. Thoughts please?

Answers

  • Ross - K9COX
    Ross - K9COX Member ✭✭
    edited June 2017
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    Definitely use the Ampkeyer interface in this case with the old keying circuit. Be aware that one of he differences with the HA-14 is that the output is basically fixed at 50 ohms, there is no loading control.
  • Dave - W6OVP
    Dave - W6OVP Member ✭✭
    edited June 2017
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    TNX Ross. Yes, I've been running them for 50 yrs <g> and use 600 watt autotuners. If interested, google W6OVP HA-14.
  • Ross - K9COX
    Ross - K9COX Member ✭✭
    edited December 2016
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    Sorry, then why did you ask for thoughts <g>?
  • Dave - W6OVP
    Dave - W6OVP Member ✭✭
    edited December 2016
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    I have never hooked one to a Flex. Have you?
  • Dave - W6OVP
    Dave - W6OVP Member ✭✭
    edited April 2017
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    Finally got around to hooking my 6300 to an HA-14. Used an AmpKeyer relay inbetween and used ALC. Ran the FLEX full power. Worked great! Got lots of excellent signal reports both quantity and quality. Chalk this up as another first for a FLEX (I think).

    For more than you really wanted to know about the classic Kompact Kilowatt amplifier click:
    http://www.qsl.net/w6ovp/



  • Norm - W7CK
    Norm - W7CK Member ✭✭
    edited April 2017
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    I use an ampkeyer interface to occasionally run an old AL80A and a TL922A.  Both amps are fairly old, but still work just fine.  Its hard getting myself to get rid of them. They have been with me for so many years, its almost like family!
  • Dave - W6OVP
    Dave - W6OVP Member ✭✭
    edited April 2017
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    Same here. I was a little surprised how nice this "multi-generational" hookup went together and worked. Usually use the FLEX with a KPA500/KAT500, also with the AmpKeyer.

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