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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+QRO\s+HF2000\s+input\s+SWR\s+adjustments\s*$/: 3 ]

Total 3 documents matching your query.

1. [Amps] QRO HF2000 input SWR adjustments (score: 1)
Author: John Keating <john.keating@outlook.com>
Date: Mon, 15 Mar 2021 00:14:06 +0000
The input SWR at 160m is below 1.5:1 from 1800 to 1925 khz, then rises rapidly to >3:1 at 200 khz. Similarly, at 80m it's below 1.5:1 from 3600 to 3880 khz then rises to 2.2:1 at 4000 khz. Those are
/archives//html/Amps/2021-03/msg00004.html (7,361 bytes)

2. Re: [Amps] QRO HF2000 input SWR adjustments (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Sun, 14 Mar 2021 17:23:51 -0700
Sounds like its been tweaked for CW operation. It shouldnt be hard to retune the inputs for a compromise at the middle of each band. So long as your transceiver can handle a 2:1 mismatch, there shoul
/archives//html/Amps/2021-03/msg00005.html (7,752 bytes)

3. Re: [Amps] QRO HF2000 input SWR adjustments (score: 1)
Author: "Carl" <km1h@jeremy.qozzy.com>
Date: Tue, 16 Mar 2021 21:36:09 -0400
I wouldnt mess with it unless you absolutely want to lower it (and raise the low end) as those are typical results for most amps. An external tuner is an option. Carl The input SWR at 160m is below 1
/archives//html/Amps/2021-03/msg00020.html (8,457 bytes)


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