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#3879 - 09/04/2000 11:54 PreAmp Outputs?
coop0030
new poster

Registered: 09/04/2000
Posts: 3
How many sets of preamp outputs is the MarkII going to have? One or Two? I noticed that the MarkI only has one set. Thanks.


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#3880 - 09/04/2000 12:19 Re: PreAmp Outputs? [Re: coop0030]
schofiel
carpal tunnel

Registered: 25/06/1999
Posts: 2993
Loc: Wareham, Dorset, UK
The Mk1 has two seperate sets of outputs, one for docked sled (4 channels) and one set for undocked (2 channels). The undocked mode is primarily for use with your HiFi at home.

The Mk2 has the same setup, albeit with different output drivers.

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One of the few remaining Mk1 owners... #00015

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#3881 - 09/04/2000 12:56 Re: PreAmp Outputs? [Re: coop0030]
tfabris
carpal tunnel

Registered: 20/12/1999
Posts: 31597
Loc: Seattle, WA
Yeah, you were probably looking at the picture of the unit when it's OUT of its in-car docking sled. That set is only for home-stereo hookups, when you don't need a front/rear fader.

When the unit is docked in the sled in the car, it has two sets of outputs controlled by a front/rear fader. Plus a third pair of RCA cables as an auxilliary input.

Note that the in-home set of outputs is 1v, and the in-car set of outputs is 4v.

Tony Fabris
Empeg #144
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Tony Fabris

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#3882 - 09/04/2000 19:17 Re: PreAmp Outputs? [Re: tfabris]
dionysus
veteran

Registered: 16/06/1999
Posts: 1222
Loc: San Francisco, CA
Note that the in-home set of outputs is 1v, and the in-car set of outputs is 4v.

Is there a switch inside the empeg to change the in-home output to 4v? I've rigged a portable battery supply/headphones for the empeg, but the output could stand to be louder.. increasing it to 4v would do the job, I think...
-mark
ps - you should have seen the airport security digging through my setup - I don't blame them - the battery is the alarm-battery with two terminals on it:) looks exactly like something else...


...proud to have one of the first Mark I units
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http://mvgals.net - clublife, revisited.

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#3883 - 09/04/2000 19:46 Re: PreAmp Outputs? [Re: dionysus]
tfabris
carpal tunnel

Registered: 20/12/1999
Posts: 31597
Loc: Seattle, WA
When I was inside the unit adding the drive, I noticed what looked like some capacitors soldered to the in-home output terminals. Could it be that those are what steps the in-home plugs down to 1v?

Tony Fabris
Empeg #144
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Tony Fabris

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#3884 - 10/04/2000 01:37 Re: PreAmp Outputs? [Re: tfabris]
rob
carpal tunnel

Registered: 21/05/1999
Posts: 5335
Loc: Cambridge UK
> Could it be that those are what steps the in-home plugs down to 1v

No, they're decoupling capacitors that remove any DC offset from the signal. There's no simple way to increase the power output - but you can buy line level to headphone drive convertors which incorporate a little watch battery.

Rob



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