What amps would you choose for my Ohm speakers?

Mat.

I am not going to make specific amp suggestions because I'm across the pond and don't know what is available or common in your market, so I'll just make a few points.

Nobody used RMS to rate speakers anymore, the ratings on the Ohm website are AES so you need to look that up and see how it is different than RMS sine wave ratings. The first rating is continuous, then program, then peak and usually it's only the first one that has any real long term testing behind it, the other two are calculated at 3db steps up and are strictly very short duration peak ratings.

In this case there is no better way to find out what size amps would be appropriate than to simply look at what Ohm puts in the powered version of some of these cabs. Yes the manufacturer is probably going to err on the safe side to a certain extent when it comes to sizing amplifiers but they won't leave a ton of potential on the table either.

I'm not sure how you could utilize all these speakers in a single system unless it was for a live band type event where the BR6's could be used as monitors, just stacking it all up isn't going to work well and even fully powered it's not likely you would even hear the BR6s over the larger boxes.

Forget about cramming maximum power into the subs, 4ohms vs 8ohms versions of the same driver often end up producing the same SPL because the 4ohm version has a lower sensitivity and that last 3dB of output gets eaten up with power compression(voice coil heating).

And subs are where you want to exercise a bit more caution with power, I got no problem putting 2x program power behind mids and highs but that will cook subs in short order with many modern music genres.

So all that said I'd suggest 500w for the 112's and 1000w for the subs, class D will be fine for the subs but I prefer class AB for mids and highs.

Hi, thanks for your message, some good points much appreciated.

I quoted RMS power as that's the unit used on the datasheets for these legacy products. Good idea to look at the powered versions, taking the TRS112A as an example they have a 500W and 50W amplifier on board, so not far off double the AES/RMS rating of the passive version at 300W AES.

The BR-6s were my first acquisition and when deploying the TRS tope and Subs might make good DJ monitors, hadn't considered using them as monitors for a live performance, thats probably not on the cards for me any time soon. I've been thinking they might be useful on delays to fill in the back as pairs or spread out to cover an odd shaped venue, or use them with one sub for a smaller space or somewhere requiring less level. Also maybe in a 'distributed' system for low level speech reinforcement.

Really interested in your points on powering the subs. My idea about converting to 4R was just to be able to use a smaller, cheaper, lighter amp to acheive the same power delivery. My intention is to have a mode with the DSP so it could be left 'unattended' and id be confident that its suitably limited to protect the drivers. The Ohm Moonsub is a sealed box and is known to melt coils if driven over the stated power rating due to heat biuld-up which id obviously want to completely avoid. Id just like to be able to run it up to close to maximum knowing the amplifier isnt a limiting factor.

Thank you to everyone else for specific amp suggestions, plenty of food for thought there!

Mat