On our Orion II we use a Heil Pro Sound Speaker that has a built in volume
knob to control the speaker volume.
We set the speaker volume on the speaker so when we unplug the Heil boom set
be are not blown away by too loud volume.
Lee N7FV
Marsha W0CAN
----- Original Message -----
From: "Ron Castro" <ronc@sonic.net>
To: <tentec@contesting.com>
Sent: Wednesday, September 05, 2007 10:55 AM
Subject: Re: [TenTec] O II and headphones?
> The world of radio has indeed gotten more complicated and the simple
> solutions of years gone by are nothing more than nostalgia! That being
> said, it would be nice if there was a "hidden menu" of a mechanical
> adjustment where the balance between speaker and headphone volume could be
> adjusted since every speaker, every pair of headphones and every shack
> listening situation is different.
>
> You're right about the complicated mix of audio: CW sidetone, spot,
> SSB/CW/AM/FM from two receivers and SSB/AM/FM transmit monitor. Split
> phones, binaural CW, EQ, etc. We sure didn't have to worry about all that
> in the days of the Heathkit SB-100!
>
> Simply substituting the speaker output to drive the headphones would be a
> waste of some really nice features on the Orions, particularly the ability
> to split the two receivers into the left, right or both headphones.
> That's
> not available on the speaker output which is simply a monaural feed.
>
> This string has brought up an important issue that has been plaguing the
> Orion's, especially the O2. If I get a chance later today, I may send all
> of these posts to Jack Burchfield to see if it can't be fixed in a
> subsequent update.
>
> Now if we can only get that goofy S-meter problem fixed!!!!
>
> Ron N6IE
> www.N6IE.com
>
>
> ----- Original Message -----
> From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
> To: "Ron Castro" <ronc@sonic.net>
> Cc: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Wednesday, September 05, 2007 8:42 AM
> Subject: Re: [TenTec] O II and headphones?
>
>
>>>
>> So, what could have been done simply as it has been done in radios for
>> 65 years has been done in a complex way that prevents the user from
>> adjusting the relative gains. Or is there a hidden menu option to set
>> the headphone gain? Shouldn't there be?
>>
>> Or is it that the Heil noise canceling headset simply demands too much
>> audio power to work with a typical headphone level circuit?
>>
>> Is there some other reason for the complexity, audio products that can
>> be fed to the headphones but not to the speaker, such as transmit audio
>> monitor?
>>
>> Would it be practical for the Heil noise canceling headset to add the
>> closed circuit headphone jack to the speaker with a suitably selected
>> series resistor as used for many decades? A little box to be connected
>> between the radio and the speaker with a headphone jack and a headphone
>> level pot? Without breaking the speaker ground it might take a more
>> complex jack than a simple closed circuit jack, but such jacks are
>> available.
>> --
>> 73, Jerry, K0CQ,
>> All content copyright Dr. Gerald N. Johnson, electrical engineer
>>
>
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>
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