Re: speaker headphones

2010-12-12 Thread Clark Martin

On Dec 9, 2010, at 10:01 PM, Jerry Miller wrote:

> Jeff;
> 
> Apple has never used a standard mic input.  Their headphone output is a 
> standard 1/8th" stereo jack but..the audio input was, for many years, a 
> special jack that was set up for Apple's PlainTalk mic input.  It required a 
> PlainTalk headset that had a preamp built into the mic that was powered by a 
> + 5VDC in the Mac.  (look up PlainTalk on Wikipedia or Apple).  Apple 
> discontinued PlainTalk with the last G4's.  The G5's and subsequent have a 
> "line Level" audio input that requires an external preamp if you intend to 
> use a mic. (actually the early Mac's audio input was "line level" also, they 
> just boosted the mic signal from "mic level" to "line level" all within the 
> headset and special PlainTalk jack.

Never say never.  The mic input from the days of the IIsi up till they 
introduced the PlainTalk mic in the Quadra to 1st Power Mac era was indeed a 
low level mic input.  Quite standard.

Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

"I'm a designated driver on the Information Super Highway"

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Re: speaker headphones

2010-12-12 Thread Wallace Adrian D'Alessio
On Fri, Dec 10, 2010 at 1:01 AM, Jerry Miller  wrote:

>  Jeff;
>
> Apple has never used a standard mic input.  Their headphone output is a
> standard 1/8th" stereo jack but..the audio input was, for many years, a
> special jack that was set up for Apple's PlainTalk mic input.  It required a
> PlainTalk headset that had a preamp built into the mic that was powered by a
> + 5VDC in the Mac.  (look up PlainTalk on Wikipedia or Apple).  Apple
> discontinued PlainTalk with the last G4's.  The G5's and subsequent have a
> "line Level" audio input that requires an external preamp if you intend to
> use a mic. (actually the early Mac's audio input was "line level" also, they
> just boosted the mic signal from "mic level" to "line level" all within the
> headset and special PlainTalk jack.
>
> It's a real pain.  If you have a G3 - G4 you can probably find a PlainTalk
> headset on e-bay.  I have an old PM 9500 and a G4 with a PlainTalk headset
> that works just fine.
>
> I'm still groping with how to make some kind of headset work with my G5.
> At this very moment I'm trying build a preamp.   I'll probably try USB next
> if this doesn't work.
>



I have a little plaintalk mic that has no preamp. It is a rounded triangle
with a bump and stickum to keep it atop a monitor.

The plug is about 1/8 inch and has the extended tip.  I have used it but it
has been so long ago i forget the working details but am pretty sure I had
no problem getting recordings without preamp.






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Re: speaker headphones

2010-12-12 Thread Tina K.

On 2010/12/09 23:01, Jerry Miller so eloquently wrote:

I'm still groping with how to make some kind of headset work with my
G5.  At this very moment I'm trying build a preamp.   I'll probably try
USB next if this doesn't work.


I have to say it seems silly to waste a perfectly good audio in jack and 
waste a USB port. Thanks Steve.


Tina

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Re: speaker headphones

2010-12-12 Thread Jerry Miller

Jeff;

Apple has never used a standard mic input.  Their headphone output is a 
standard 1/8th" stereo jack but..the audio input was, for many 
years, a special jack that was set up for Apple's PlainTalk mic input.  
It required a PlainTalk headset that had a preamp built into the mic 
that was powered by a + 5VDC in the Mac.  (look up PlainTalk on 
Wikipedia or Apple).  Apple discontinued PlainTalk with the last G4's.  
The G5's and subsequent have a "line Level" audio input that requires an 
external preamp if you intend to use a mic. (actually the early Mac's 
audio input was "line level" also, they just boosted the mic signal from 
"mic level" to "line level" all within the headset and special PlainTalk 
jack.


It's a real pain.  If you have a G3 - G4 you can probably find a 
PlainTalk headset on e-bay.  I have an old PM 9500 and a G4 with a 
PlainTalk headset that works just fine.


I'm still groping with how to make some kind of headset work with my 
G5.  At this very moment I'm trying build a preamp.   I'll probably try 
USB next if this doesn't work.


Jerry.

On 12/9/2010 8:27 PM, Charles Lenington wrote:

On 12/9/10 11:00 AM, Jeff Bequette wrote:

I was looking for a set of headphones with a speaker for VOIP and
gaming. Does the front port work with microphone headsets?
Has anyone used the 'Optical Audio" ports?
Or should i go USB or bluetooth?

DP 1.8 G5 (June 04) 10.5.8







Jeff
When I asked a couple of months back I never received an definite 
answer. I tried an iMic but it didn't work or it was doa (used).




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Re: speaker headphones

2010-12-09 Thread Charles Lenington

On 12/9/10 11:00 AM, Jeff Bequette wrote:

I was looking for a set of headphones with a speaker for VOIP and
gaming. Does the front port work with microphone headsets?
Has anyone used the 'Optical Audio" ports?
Or should i go USB or bluetooth?

DP 1.8 G5 (June 04) 10.5.8







Jeff
When I asked a couple of months back I never received an definite 
answer. I tried an iMic but it didn't work or it was doa (used).


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Re: speaker headphones

2010-12-09 Thread Tina K.

On 2010/12/09 10:00, Jeff Bequette so eloquently wrote:

I was looking for a set of headphones with a speaker for VOIP and
gaming.  Does the front port work with microphone headsets?
Has anyone used the 'Optical Audio" ports?
Or should i go USB or bluetooth?


I would vote USB but bluetooth is viable too as long as charging won't 
be an issue. I use a Griffin iMic and it works very well.


Tina

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speaker headphones

2010-12-09 Thread Jeff Bequette
I was looking for a set of headphones with a speaker for VOIP and  
gaming.  Does the front port work with microphone headsets?

Has anyone used the 'Optical Audio" ports?
Or should i go USB or bluetooth?

DP 1.8 G5 (June 04) 10.5.8






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