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Si Impact vs Qu-32 - For inexperienced operators

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Yoon Cha:
How are you all?

I am sorry if similar threads have been done, but I searched in the forum extensively, but still seem to lack answers to make my final choice. I have searched very many digital mixers as I want to upgrade from analogue for church, and am finally contemplating between two:

--- Soundcraft Si Impact ---
--- Allen & Heath Qu-32 ---

I want to install this on a church, and I hope I will not be the only operator, so I am looking for the following. If you do not mind, would you give a fair comparison?
- Intuitive Use / Easiness / Workflow (Very important)
- Sound Quality
- Reliability
- Remote mixing using tablet
- Features?

Do not really care about:
- Expandability (though it might be cool)
- Using with a computer (I have a $30 USB Audio interface to record mains and playback)

People who used/are familiar with both mixers, would you be able to help me out with choosing?

I know Qu-32 does not have scribble strips, but I am not sure how useful they are, and I’ve read many times that Qu-32 was easy to use, but how does it compare with the Impact? Again, inexperienced people will be using it, so I need the most intuitive interface possible.

And one negative thing I’ve seen about the Impact is.. Does the Impact really NOT have/easily support line level inputs? I am dumbfounded, but I really need to hook up CD player / Keyboard / Electronic Drums to the mixer, and I’ve seen some (very) concerning threads:

https://soundforums.net/forum/pro-audio/junior-varsity/10551-si-expression-inputs-mic-line-conflicting-info
https://www.gearslutz.com/board/so-much-gear-so-little-time/1100350-unofficial-soundcraft-si-mixer-thread-7.html

Jean-Pierre Coetzee:

--- Quote from: Yoon Cha on December 10, 2017, 10:40:01 pm ---How are you all?

I am sorry if similar threads have been done, but I searched in the forum extensively, but still seem to lack answers to make my final choice. I have searched very many digital mixers as I want to upgrade from analogue for church, and am finally contemplating between two:

--- Soundcraft Si Impact ---
--- Allen & Heath Qu-32 ---

I want to install this on a church, and I hope I will not be the only operator, so I am looking for the following. If you do not mind, would you give a fair comparison?
- Intuitive Use / Easiness / Workflow (Very important)
- Sound Quality
- Reliability
- Remote mixing using tablet
- Features?

Do not really care about:
- Expandability (though it might be cool)
- Using with a computer (I have a $30 USB Audio interface to record mains and playback)

People who used/are familiar with both mixers, would you be able to help me out with choosing?

I know Qu-32 does not have scribble strips, but I am not sure how useful they are, and Iíve read many times that Qu-32 was easy to use, but how does it compare with the Impact? Again, inexperienced people will be using it, so I need the most intuitive interface possible.

And one negative thing Iíve seen about the Impact is.. Does the Impact really NOT have/easily support line level inputs? I am dumbfounded, but I really need to hook up CD player / Keyboard / Electronic Drums to the mixer, and Iíve seen some (very) concerning threads:

https://soundforums.net/forum/pro-audio/junior-varsity/10551-si-expression-inputs-mic-line-conflicting-info
https://www.gearslutz.com/board/so-much-gear-so-little-time/1100350-unofficial-soundcraft-si-mixer-thread-7.html

--- End quote ---
You really should be running high impedance, unbalanced sources through a DI box and not straight into the desk.

Is there any particular reason that you narrowed down on these two desks?

The best option would be to get some hands on experience with both of them. Most sales guys will let you go into the shop and play with one for a bit to see how it feels and ease of use.

Sent from my 2014817 using Tapatalk

Nathan Riddle:

--- Quote from: Jean-Pierre Coetzee on December 11, 2017, 03:41:53 am ---

--- Quote from: Yoon Cha on December 10, 2017, 10:40:01 pm --- I am dumbfounded, but I really need to hook up CD player / Keyboard / Electronic Drums to the mixer, and Iíve seen some (very) concerning threads:

--- End quote ---

You really should be running high impedance, unbalanced sources through a DI box and not straight into the desk.

--- End quote ---

Correct me if I'm wrong, but are any of the sources he listed high impedance?

CD Player (-10dB unbalanced)
Keyboard (varies...maybe +4? unbal/bal?)
v-drums (+4 balanced)

In my experience you can run all of the listed sources into an XLR input (on a more recent board) with proper cabling & understanding of the sources.

(the Rane articles will explain this fully Yoon Cha)

Jean-Pierre Coetzee:
You can also get terrible ground loop from all off them.  You can run them all into a mic input no problems, the output of the unit and the input of the desk will work just fine. There will be no isolation between them and you might even send some phantom power their way.

Sent from my 2014817 using Tapatalk

Nathan Riddle:

--- Quote from: Jean-Pierre Coetzee on December 12, 2017, 08:55:30 am ---You can also get terrible ground loop from all off them.

You can run them all into a mic input no problems, the output of the unit and the input of the desk will work just fine.

There will be no isolation between them and you might even send some phantom power their way.

--- End quote ---

I see less and less ground loops as technology standards improve; though valid sometimes.

And valid considerations, though they always an issue.

If you only use hot and gnd then the hot/cold phantom power can't (less likely) get to the device.

In the end DI for line level sources is more of a case by case situation for me rather than a hard/fast rule.

----

OP, sorry to derail.

I can't compare & contrast both boards.

But I use Qu24 and installed Qu32 and like them a good bit. Though Impact was also a consideration for install.

As Jean-Pierre said, it would be best to have hands on experience with both. Read the manuals and watch some youtube videos on both boards if you can't do that. Study the block diagram so you know what they can and cannot do.

In the end they are both capable boards and will do a good job and will tick off all of your listed requirements.


--- Quote from: Yoon Cha on December 10, 2017, 10:40:01 pm ---I want to install this on a church, and I hope I will not be the only operator, so I am looking for the following. If you do not mind, would you give a fair comparison?
- Intuitive Use / Easiness / Workflow (Very important)
- Sound Quality
- Reliability
- Remote mixing using tablet
- Features?

--- End quote ---

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