Review: Violectric HPA V200 amp
Apr 7, 2013 at 7:23 PM Post #2,191 of 3,079
There seems to be some white noise, almost like a low/quiet background hissing when i listen to my hd800 on my v200/v800 stack.
 
My volume pot for the amp is at 9.  with all the gain settings at 0.  (all switches flipped up)  and  i maxxed the volume pot on my dac. 
 
any ideas?
 
Apr 8, 2013 at 2:01 AM Post #2,194 of 3,079
You should never have all up, only one at a time. With only the one on the right up it would be max gain.
 
Apr 8, 2013 at 2:38 PM Post #2,195 of 3,079
Man I am so confused with all this ground lift and gain talk.
 
Right now I am using a v800 and v200 with an HD800.
 
I have the volume pot at the max using my v800 and for my v200 the knob is at 8 o clock barely touching nine because it will rip my ear drums apart if it's any higher.  The gain on the v200 is all set to the lowest, which is 0.
 
1)  What does it mean with the -6, -12?  If I flip the -6 switch does it make my amp volume decrease?  Or does it increase the volume?
2)  Can I adjust the "gain" in the v800 so that it is still at the max, but I can bring the volume up on the v200 closer to the 3 o clock without ripping open my ear drums?  If so, which settings so I tinker with in the internal v800 switch?
3)  Does lifting the gorund bypass the ground?  Will it **** up my violectric stack?
 
Apr 8, 2013 at 6:08 PM Post #2,197 of 3,079
Quote:
any ideas?

Who needs ideas, when you have a manual?..
biggrin.gif

http://www.audiophysics.hk/downloads/pdf/16/V200-E%20Manual.pdf
 
Apr 8, 2013 at 7:52 PM Post #2,198 of 3,079
Thank you.
 
Can someone confirm on the v800 internals:
 
If all the dip switches are UP, it is 0db?
 
And when they say " lift" the gorund, they mean to place the little red caps ON the two lift pins, right?
 
Apr 9, 2013 at 3:01 PM Post #2,200 of 3,079
Yep I never touch any of the switches and it works great with everything.
 
Apr 9, 2013 at 3:32 PM Post #2,203 of 3,079
Unity is the default with all the gain switches on the back set to down.
 
Apr 17, 2013 at 11:22 PM Post #2,205 of 3,079
Hi, I've just bought it and hoped that it can push my old AKB K1000, which was sitting in the beautiful woody box for a long time.
 
It's not difficult for V200 to drive K1000 to sound loud enough to turn me to a deaf, just with +6db. However, the sound is quite thin and metallic. So far I think the best I get is +0db for piano playback but the volume is turned to 4pm position.
 
Anyone are using V200 and K1000, can you please kindly to share your experience? Thanks.
 

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