[Amps] MFJ products

Glen Zook gzook at yahoo.com
Mon Dec 4 10:45:28 EST 2017

Very simple!  Avoid mfj products.

Unfortunately, mfj has a very bad track record where quality control is concerned.  Bad soldering is probably the worst thing followed by things like missing hardware, loose hardware, missing parts, extra hardware "rattling" around the cabinet (probably that which was missing from the last item down the production line),  over-rating devices (i.e. saying that the item can handle more power than it can, etc.), and so forth.  These problems have been well known for a long time and yet mfj has not instigated a satisfactory quality control process.

If one considers new mfj products as a "semi-kit", that is, "some assembly required", and if one is willing to correct the assembly problems and recognize the over-rating of certain items, then, generally, the mfj products do work.
 Glen, K9STH 
Website: http://k9sth.net

      From: Shon Edwards <sre.1966 at gmail.com>
 To: Jim Thomson <jim.thom at telus.net>; Amplifier Reflector <amps at contesting.com> 
 Sent: Sunday, December 3, 2017 10:54 PM
 Subject: Re: [Amps] MFJ products
I know this isn't really an amp question, but I checked my email
for mfj-4245mv and found this one.  Last week, the current just took off.
Fried a couple radios whose fuses didn't work.  Also my surge protector
didn't stop it from frying my radios.  Any idea what caused this or how to
fix it?


de Shon, K6QT

Shon R. Edwards, MA, AG (Czech Republic)
Amateur call:  K6QT
1039 N 2575 W
Layton, UT, 84041-7709
Home phone:  (801) 444-3445
E-mail:  sre.1966 at gmail.com


Shon Edwards
715 Strawberry Creek Private Rd.
Bedford, WY 83112
Cell:  (307) 248-2104

On Tue, Sep 11, 2012 at 8:22 AM, Jim Thomson <jim.thom at telus.net> wrote:

> Date: Tue, 11 Sep 2012 10:26:27 +0200
> From: "Peter Frenning [OZ1PIF]" <peter at frenning.dk>
> Subject: Re: [Amps] MFJ products
> My 5 cents worth:
> I own and use several pieces of MFJ equipment, much of it has been in
> daily use for more than 10years:
> a MFJ-4245MV SMPS, no RF-hash, and has performed nearly 24/ 7 for
> more than 10years
> a MFJ-259B antenna analyzer, without a doubt the most useful tool
> in my toolbox
> I know there are better/more accurate/higher quality analyzers
> available now - at vastly higher prices!
> this one has been in use for more than 10 years in my shack and
> in the field, and when I broke it
> (my own fault - reverse polarity) MFJ was very helpful with
> repair suggestions
> I owned a MFJ-969 tuner for several years - did exactly what it was
> supposed to do at a very reasonable price
> Various power meters an dummy loads - again they have been
> performing exactly as expected.
> To conclude: yes corners have been cut here and there, but at the prices
> asked you get fair usefulness and many times equipment which few of us
> could afford without MFJ supplying it.
> --
> Vy 73 de OZ1PIF/5Q2M, Peter
> ##  You obviously have not tried one of their SS HF linear amps..like the
> AL-600  or AL-1300.  I defy anybody to get one to run full bore for 5
> years
> straight.
> Jim  VE7RF.
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