Orpheus HEV 90 Instruction Manual?
Apr 19, 2014 at 10:31 AM Post #2 of 5

Crashem

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  I'm looking for the Orpheus / HEV 90 Instruction Manual- Anyone have a copy they can spare?
 
 
Thank You
 
Mitch

 
http://www.devicemanuals.com/productsupport/Sennheiser_HEV+90_manual.html
 
Will the digital copy do?  Careful on how you download from that site.  They do not make it clear what to do.  First give it a star rating.  Then click on the download in 1 hour and save to computer.  Then read away in adobe acrobat
 
Apr 19, 2014 at 2:10 PM Post #3 of 5

braillediver

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Thanks- also for the secret decoder ring.
 
Is there a Technical or Service Manual? Information like- how to get the tube covers off and how to bias the amp?
 
Thanks Mitch
 
Apr 19, 2014 at 4:44 PM Post #4 of 5

bozebuttons

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  Thanks- also for the secret decoder ring.
 
Is there a Technical or Service Manual? Information like- how to get the tube covers off and how to bias the amp?
 
Thanks Mitch

There are 2 screws on the bottom of the amp in the middle(in line with the volume control) that are counter sunk that hold the tube cage.
Do a search it may have been posted about biasing the amp.
 

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