Re: [TenTec] 2.033

[Rideout Family <wa6ipd@dslextreme.com>]

Best stereo headphones are........Sony MDR-7506

Art WA6IPD

Douglas Shock wrote:
> Great explanation. and, I'll bet the static and popping I am hearing is the
> result of my CHEAPER headphones being over driven.
>
> So what is recommended on headphones with the Orion II?
>
> On 4/28/06, Toby Pennington <toby423@earthlink.net> wrote:
>   
> > John,  Here is an explanation of why your RX EQ does not behave as it did
> > in
> > V1 O1,  for better of worse in the 2.0 firmware for both orions the RX EQ
> > acts like a volume control.
> >
> >
> >
> > There is a good description of the actual operation on pages 18 and 19 of
> > the manual. It does not operate as the usual bass and treble controls
> > everyone is familiar with in hi-fi amplifiers. There is no set frequency
> > around which they hinge to provide increased/decreased levels. So, if you
> > are listening to SSB with the bandwidth set to 3kHz, setting the equalizer
> > to -20 will reduce the level at approximately 100Hz by about 20dB and
> > change
> > the level at 3kHz by approximately -10dB. This will give you the
> > impression
> > that the volume has been turned down, and it has. Now increase the volume
> > control and you should notice increased high frequency response and
> > reduced
> > bass. This is the solution to using one control and menu selection and
> > adjusting both high and low frequency. This has been set in the software
> > to
> > operate over approximately 100Hz to 6kHz. For receive and transmit, this
> > is
> > independent of the bandwidth selected with filters. For example, if you
> > have
> > selected -20dB, you will have 20dB difference from 100Hz to 6kHz. If you
> > are
> > using a BW of 3000, then you get 10dB difference over the selected
> > bandwidth, BW of 1000, then you get 3.33dB difference over the selected
> > bandwidth. Now if the bandwidth is set to the low frequencies as you set
> > the
> > EQ from -20 to +20 you would notice a pronounced increase/decrease in
> > gain.
> >
> >
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "John Sheeley" <wb4qda@yahoo.com>
> > To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> > Sent: Friday, April 28, 2006 12:38 PM
> > Subject: Re: [TenTec] 2.033
> >
> >
> >     
> > > Doug
> > > No raspy audio here on my Orion II . The receive EQ
> > > does act kind of like a volume control the + side is
> > > louder and - side is decreases the volume.
> > >
> > > 73
> > > John WB4QDA
> > >
> > > --- Douglas Shock <douglas.shock@gmail.com> wrote:
> > >
> > >       
> > > > the raspy audio on the + EQ adjust on TX or RX only
> > > > occurs through the
> > > > headphones.
> > > >
> > > > The decreased audio seems to be a function of the
> > > > changes in the rec. EQ. If
> > > > I adjust the RCV EQ to a pos value, the AF goes up
> > > > with it. Seems like what
> > > > use to be set to 0 is now 12 to 13. If I go - on the
> > > > EQ it doesn't get tiny
> > > > but the audio levels go down. I think this
> > > > translates to the TX EQ as well.
> > > >
> > > > Can somebody confirm this???
> > > >
> > > >
> > > > Doug / K0ZU
> > > > _______________________________________________
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