[TenTec] 2.033

[Rideout Family]

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 at 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 at yahoo.com>
>> To: "Discussion of Ten-Tec Equipment" <tentec at 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 at 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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>>>>         
>>>
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>>     
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