Discussions about the Bose S1 Pro system

Bose S1 Pro

Designed for musicians, DJs and general PA use, the S1 Pro is the ultimate all-in-one PA, floor monitor and practice amplifier that's ready to be your go-anywhere Bluetooth music system for nearly any occasion. 

This is the place to discuss the S1 Pro system.

Hi, following on from my recent posts regarding using 2 x S1 Pro’s for my main PA., together with a Samson Auro D1200 active sub bass, I am concerned that the sub bass (having no no built in crossover, only “Thru” outputs), is sending full on and potentially damaging sub bass frequencies to the S1’s!

Can anyone recommend a good, small (12”), active sub, 2 x inputs, 2 x outputs with a built in (preferrably adjustable) crossover.

This seems a good bet and good value for money too...........

http://www.dbtechnologies.com/.../sub-series/sub-612/

All advice and recommendations greatly appreciated. 👍

Original Post

Any "sub bass" frequency content in the signal coming from the mixer into the Auro D1200 and passed on to the S1s will be ignored by the S1 just as they would be if the mixer output were routed directly to the S1s...

The D1200 is essentially "picking out" the lower frequencies that it will amplify and reproduce from the signal with it's built in low pass filter.

You should be fine using what you've got.

Some one from Bose will probably weigh in with a confirmation  :-)

Hi theonemanband,

theonemanband posted:

Hi, following on from my recent posts regarding using 2 x S1 Pro’s for my main PA., together with a Samson Auro D1200 active sub bass, I am concerned that the sub bass (having no no built in crossover, only “Thru” outputs), is sending full on and potentially damaging sub bass frequencies to the S1’s!

There's no concern here. The sub "Thru"  is passing the input source through to the S1 Pro systems.

Hint: Try using the Mic and Guitar Presets on the S1 Pro systems. This could filter out some of the lower frequencies that are being handled by the subwoofer.

ST

I ocassionaly use a mic’ed up kick drum and/or drum machine, THAT is the cause of my concerns as they can put out quite hefty Lo Z signals.

From the two posts, (thank you), am I correct in understanding that after being processed by the HPF for use by the sub., the full range signal, having passed “Thru” the sub bass (as per the spec of the D1200), arrives at the S1 tops but they will then “ignore” any harmful loud, ultra low frequencies that they receive?

 

 

Hi theonemanband,

From what you've told us, adding the subwoofer you have now should not make anything worse.

With or without the subwoofer:

  • If you hit the S1 Pro with low frequencies, it might be fine at low volumes, but if you hit it hard, you could clip the input. If that happens, you will see the channel light go red and/or you will hear audible distortion
  • Even if it sounds bad, it should trigger the S1 Pro internal limiter so you won't cause any permanent damage.


Suggestion:

Connect your kick drum microphone directly to the S1 Pro and see how that works.

Try your drum machine machine too.

You should expect similar performance from the S1 Pro when you add the subwoofer.

Please let us know what you hear.

Thanks,

ST

SORTED!!👍

Bought a fantastic small active sub-bass, a “Proel” SW110a. (V1).

 This little sub ticks all the boxes, small and light (18kg), 250watt, switchable high pass filter (125 / 160 Hz) and 122dBspl. 

Came across this by accident in the forgotten “dusty corner” of my local musuc store, not new but in absolutely mint condition and aquired it at a bargain price. 

Used it together with my two S1Pro’s at my two latest (fair sized) gigs, crossed over at 125Hz. The whole system sounds truly superb; plenty of volume and plenty of headroom to spare........NO clipping, so I can relax that my S1’s are not getting a sub bass pounding!

This sub bass (V2) is the current model and is still available I believe. I would thoroughly recommend one for anyone looking for a small, light, sub to “beef up” and protect their S1’s

http://www.proel.com/index.php...amp;product_id=15712

Cheers.......Brian

 

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