Home › Forums › Products › Stompboxes › Pre/Post Bypass Path
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July 15, 2015 at 4:15 am #112685kingbMember
Hi – Looking forward to using the new pre/post function. Wondering if the side that is OFF still goes through the convertors when Relay bypass is in use…?
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July 15, 2015 at 2:43 pm #139713
Relay bypass affects everything, so is unchanged by Pre/Post.
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July 15, 2015 at 5:08 pm #139719kk66Member
May be the question was a little more deep, I will add one more question about the same matter:
1) when using the new PRE/POST feature a couple of IN/OUT jacks are bypassed while THE OTHER IS WORKING allowing the signal to go through the effect. Which kind of bypass do we have here on the bypassed SIDE of the pedal? Digital, Relay or may related to the kind of “general” bypass mode chosen?
2) Same question about the new DRY/WET option: what kind of sognal flow through the DRY out?
To get an hard by-pass in those situation I guess it would require the H9 to have a twin indipendent bypass relay, one for each L/R side of the pedal… is this the case?
Thanks for your help.
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July 15, 2015 at 5:25 pm #139721lrebolledoParticipant
Hi Nick, just for clarification. Let’s say that the H9 is activated in “pre”, wired up through input/ output 1. Input / output 2 are of course also wired up although not in use … but the signal still needs to go through them so as to not break the chain. Are input / output 2 relay bypassed or does the signal run through the converters again?
So basically, does pre/post routing mean that the dry signal must run through the digital converters twice? Thanks.
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July 15, 2015 at 6:06 pm #139723kingbMember
Understood – if the unit is off – but what about when you have the “Pre” (channel 1) on, is channel 2 still in relay bypassed (and vice-versa)?
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July 15, 2015 at 9:31 pm #139731
In the hope of answering the above questions:
1) There is essentially only one bypass relay, so relay bypass will bypass both inputs, regardless of routing. Sorry – you will have to use DSP bypass in most cases to use Pre/Post or Wet/Dry.
2) In both Pre/Post and Wet/Dry, the dry signal comes straight from the appropriate input(s) and is only digitized once.
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July 15, 2015 at 9:58 pm #139735kingbMember
Hello Nick – that sounds a bit contradictory.
If this is the setup: H9(pre) > distortion pedal > H9(post) … then the signal IS digitized twice.
Once on the i/o for the pre and then a second time for the i/o on the post – regardless of where we place the effect (in the pre or post mode). So it sounds like there’s an internal mixer that will now “hard pan” the effect based on the pre (side A) or post (side B) setting. But the signal will always be going through the convertors when the pedal is engaged. Is that a correct assesment?
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July 16, 2015 at 3:23 am #139739
You are of course correct. Without two separate bypass relays it cannot be otherwise. I was thinking of Wet/Dry – apologies.
But, I'll bet that our digits probably sound better than most other things in your signal chain.
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July 16, 2015 at 2:51 pm #139750kingbMember
Hi Nick – thanks for the confirmation. And yes, your 1’s and 0’s are pretty awesome!
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