[Lowfer] Hafler transformer info 73, 136 and 475 kHz

[Bob Raide]

Jay;
I only need the hafler at 73 as I have a KW tube amp for 137.  Is John's transformer good enough for 73?
 
> From: jrusgrove at comcast.net
> To: lowfer at mailman.qth.net
> Date: Tue, 20 Aug 2013 15:02:32 -0400
> Subject: Re: [Lowfer] Hafler transformer info 73, 136 and 475 kHz
> 
> Dex
> 
> Looking at the plot of the 'old' transformer it's not that bad at 73 kHz. It's at 500 kHz where it's 
> not so good ... without a capacitor change.
> 
> Jay W1VD  WD2XNS  WE2XGR/2 WG2XRS/2
> 
> 
> ----- Original Message ----- 
> From: "Dexter McIntyre W4DEX" <dexter.mc at gmail.com>
> To: "Discussion of the Lowfer (US, European, &amp;UK) and MedFer bands" <lowfer at mailman.qth.net>
> Sent: Tuesday, August 20, 2013 2:38 PM
> Subject: Re: [Lowfer] Hafler transformer info 73, 136 and 475 kHz
> 
> 
> > jrusgrove at comcast.net wrote:
> >> New Hafler transformer info covering 73, 136 and 475 kHz at 
> >> http://www.w1vd.com/Haflertransformers.html .
> >>
> > I will attempt to build these transformers but after seeing your's I'll not photograph mine :) 
> > Not that I didn't expect any less from you.
> >
> > I guess this means my P3000 isn't happy running 73 kKhz with John's 137 kHz design?
> >
> > Dex
> >
> >
> > ______________________________________________________________
> > Lowfer mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/lowfer
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Lowfer at mailman.qth.net
> > Post must be less than 50KB total for message plus attachment!
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html 
> 
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
> Post must be less than 50KB total for message plus attachment!
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html