got hiss?

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- October 20, 2009 at 5:17 am #106551
  stratocasius
  Participant
  Hello all –
  
  v4.0
  
  Anyone familiar with the background hiss/hush that seems to lie behind every effect? I've owned this beauty for about a year, yet still can't seem to shake this hiss. Its present in basic setups i use. (amp effects loop or straight in via mixer)
  
  I understand that I can adjust the Levels In/Out levels, but after much tweaking(subtle to extreme) i still can't shake the hiss. If anything, it just turns the hiss(along with my patch) down to a lower volume, never really isolating out the background noise. Maybe the problem lies somewhere else in the patch.
  
  I check/swapped out all my cables(power-instrument), different guitars/setups, even different venues, yet still is there. Maybe i could compare my settings with some of you guys who aren't experiencing this…or share your experiences/adjustments when you first got your eclipse and how/what you needed to adjust to alleviate this?
  
  Below are my Level/Setup config…
  
  Analog Level In < – 0.7db>
  
  I/O Mode – mono 1
  
  In Gain < – 0.7db >
  
  Out Gain < – 3.0db >
  
  Master Out (R+L) – 0.0db
  
  Hiss on xfade and non-xfade patches.
  
  Thanks guys
- October 20, 2009 at 3:08 pm #119289
  nickrose
  Moderator
  Eventide Staff
  Could be anything. A normal Eclipse has a better than 100dB signal to noise. A few questions:
  
  1) Did you get it prior to V4.0 ?
  
  2) Do you get it with "Thru Series" ?
  
  3) Do you get it in DSP bypass ?
  
  4) Do you get it in relay bypass ?
  
  5) Do you light the yellow leds with a full level signal ?
- October 20, 2009 at 3:40 pm #119294
  stratocasius
  Participant
  No1) Did you get it prior to V4.0 ?
  I did have the same issue with v3.51 previously.
  
  2) Do you get it with "Thru Series" ?
  Yes…I do.
  
  3) Do you get it in DSP bypass ?
  No.
  
  4) Do you get it in relay bypass ?
  Not sure what you mean here…
  
  5) Do you light the yellow leds with a full level signal ?
  This may be my problem. I only have about one or two green lights here in the two setups I use(direct or effects loop) Any suggestions on how to get the best possible signal here?
  
  thanks guy
  
  you are the best.
  
  randy
- October 20, 2009 at 6:55 pm #130426
  nickrose
  Moderator
  Eventide Staff
  stratocasius:
  
  This may be my problem
  
  I think so ..
  
  Turn up the input gain as much as you can ( LEVELS {IN-GAIN} ) and turn down the output gain if necessary to compensate ( LEVELS {OUT GAIN} ). Set all other gains except WET/DRY to 0.
  
  This will help, but may not be enough. You don't say which inputs you are using – the 1/4" jacks have the highest gain.
  
  Another possible cause – if you are using XLR you need to have all 3 pin connected, or you will get low signal and high noise – see the User Manual for more info.
- October 20, 2009 at 8:47 pm #130427
  stratocasius
  Participant
  Thanks Nick…I'll try the Turn Up / Turn Downs that you suggested.
  
  As far as inputs i use…i use both 1/4inch as well as XLR for inputs…is there a way i can find out if all three PINS are connected on my XLR?
  
  Thanks again…you guys are the best.
- October 20, 2009 at 9:27 pm #130428
  nickrose
  Moderator
  Eventide Staff
  You would really have to take the XLRs apart to see how they are connected, or use a continuity tester of some kind.
  
  The problem is most likely to arise if you are connecting from the XLR on the Eclipse to an unbalanced connection of some kind, typically a 1/4" or RCA jack
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