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as im building my system slowly. starting from the speakers/amp, sound treatment, pre, etc 

 

this system will be in a corner of my room of approximately 5 x 5 x 2.6m ceilings (note this room is odd shape. wondering if the 150s are too big? or 100 would be better suited.

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Maybe.

My room is only 4.3x6m, I'd like to try the 150's but wonder if they'd be too much for the room.

The thing I'd be wary of is that the 150's are very extended. They quote -6db figure of 25Hz, but that's free space. Probably more like 20Hz in room.

ATC bass is tight and fast but the room will exert it's influence. Having two similar dimensions won't help either as room modes will stack up.

Whether 100's or 150's you may want to investigate bass traps to smooth out the low-mid bass.

 

Edited by Tobes

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I think the term "bookshelf" confused some of us here; thought you were talking SCM 11s or 19 passives, which obviously have less bass than the higher models. "Classic" is the term for stand mount 50s and up. 

 

I spoke with ATC before upgrading my 100A Classics to 150As. They said there is no extra bass extension with Towers vs Classic. As @Tobes said, the working cabinet volume is the same. Indeed, ATC claim no sonic difference at all between Classic and Tower in the same range. I suppose some very minor difference is possible due to interaction with room but ATC suggested it is a purely aesthetic choice. I went with 150A towers anyway.

 

The extra bass extension of my 150s compared to my 100s was quite obvious. This could potentially introduce more difficult issues with your room, I suppose.

 

Cheers,

John

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thats good to know JD West.  how to control the bass in a mid size room. my room is actually going to be our bedroom. so the bed will kill some of the bass (hopefully).

 

 

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5 minutes ago, genkifd said:

my room is actually going to be our bedroom. 

Man, I'd never get away with scm150's, 100's or even the 50's in a bedroom. 

The 19's that @MarkT has in his might be ok. Though I think if I moved my 19's to the bedroom I'd be sleeping solo......that's my wife's book reading nook.

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1 hour ago, Tobes said:

Man, I'd never get away with scm150's, 100's or even the 50's in a bedroom. 

The 19's that @MarkT has in his might be ok. Though I think if I moved my 19's to the bedroom I'd be sleeping solo......that's my wife's book reading nook.

Glad I never had to choose between my wife and my ATCs.  I would really, really miss her.

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i cant really put them in my new place's lounges as my kid will get into them. until he grows up they are staying in my bedroom.

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14 hours ago, genkifd said:

recently read an article from Hifi+ ATC 150 with the Primare 60. the reviewers room is rather small and he indicated that this setup didnt sound overly bassy.

The over damped alignment of the ATC bass drivers means they're less likely to sound boomy than many other speakers.

I watched a Youtube video the other day where the reviewer wondered if the ATC 150 bass drivers were working because there was much less bass than his previous speakers (ie ATC was tight and accurate).

https://www.youtube.com/watch?v=uHAxka2fIs8

 

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sounds very interesting - my melb distributor may not be able to get a set of 150s in for an audition. 

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can anyone recommend a DAC / pre paring with the Active ATC?

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25 minutes ago, genkifd said:

can anyone recommend a DAC / pre paring with the Active ATC?

Benchmark DAC3?........or an ATC pre ( preferably the SCA2 for you) and standalone DAC 

 

FWIW.........IME I found that using an OPPO UHD 205 and ATC CA2 MK2 pre with my SCM70ASL's gave a better result than using a Benchmark DAC2 HGC as a DAC/PRE .............but of course YMMV. 

 

To do SCM 150's justice, and achieve better system balance, you should probably look at higher end DAC/PRE's anyway.

Watch out for high output level units as they mightn't get along as well with your ATC's 1V input sensitivity.

 

My friend uses a Jeff Rowland AERIS as a DAC/PRE which sounds great in his system.

His system doesn't have ATC's though......

 

Good Luck 

Edited by JohnL

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I've gone a little left field with my active ATC's in using a Modwright LS100.  I have a Benchmark DAC 2 and still enjoy this as a pre and previously used a CA2 (that John L has now) and this was also pretty good.  The Modwright gives a little more body to the sound that comes with valves.  Plus it's got a killer phono stage.   I was concerned about output impedance of what ever pre I was using but ultimately as long as the impeadance output isn't too high it seems to work okay.  I used an ME25 along the way too which was also really nice and had the lowest impedance of all the pre amps I've tried.   The ATC and Benchmark are a little higher and the MW is around 300 ohms.

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Who to contact or where to audition ATC in Sydney?

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1 hour ago, genkifd said:

can anyone recommend a DAC / pre paring with the Active ATC?

Definitely worth a demo of the Chord Hugo TT2.

Incredibly transparent and lively running direct to ATC actives.
 

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thanks for the great suggestions and i will take them onboard.

 

i was thinking how about the Matrix Element X (as nothing is mentioned) in regards to matching with active ATCs.

 

reason why is that i need ethernet network connection that plays accepts files up to 24/384 hi res files and DSD also. much of my listening is via network. only critical is via cd.  

 

some the Denafrips Dacs looking interesting also

 

i like having minimalist system. but not when it compromises audio quality (to a certain extent)

Edited by genkifd

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On 09/11/2019 at 3:10 PM, att23 said:

Who to contact or where to audition ATC in Sydney?

Hi @att23, we have sent you a PM regarding this.

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I am wanting to audition ATC SCM25a Pro in Melbourne . Is there somewhere where this is available .

Dave 

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27 minutes ago, JVC3 said:

I am wanting to audition ATC SCM25a Pro in Melbourne . Is there somewhere where this is available .

Dave 

You're in luck: 

WWW.STEREO.NET.AU

ATC, Acoustic Transducer Company, is a specialist British manufacturer of loudspeaker drive units and complete sound reproduction systems, including the relevant electronic...

 

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Great to see a dedicated thread for Atc... thanks for starting one!

This is my first post on this forum despite being a lurker for some time.

 

I’m amazed that Atc doesn’t have that  much of a presence here in Aus, they are just fantastic speakers... I don’t think there are any weak models in their range.

 

I do appreciate that they aren’t for everyone, perhaps more so with the bigger models for people expecting a bigger bottom end. The leanness of the bass may be a stumbling block for some people. The lack of distortion of the SL drivers makes them sound a bit light in the bass area. However once your ears get used to this, there is no going back. Listening to other speakers now, I can clearly hear their distortion...I suppose some people like the extra fullness that this brings.

Having been converted to actives a long time ago, I chose new 50 actives for my smallish L shaped room and was actually shocked at how little bass I got in this room. I thought I had made a very expensive mistake! If I could have returned them, I probably would have. Be patient and give them 50-100 hours or so and the bass starts to grow as they burn in/ loosen up. Never thought that was a such a thing until I experienced it for myself. 
I tried adding a sub to fill the real lower end some more (a Dynaudio bm14s) and was totally disappointed at how bad it all sounded no matter what I tried. It just would not integrate with the Atc’s. The sub actually sounds great with Dynaudio bm6a active bookshelf's perhaps unsurprisingly as they were part of the same range of pro models.
I really wanted to get Atc subs as I knew they would work well together but just couldn’t afford it.

So my search ended about a year or so later when I came across a second hand JL Audio f112v2.

These subs have very low distortion and are quite compact for what they can do, suiting my small room sizewise.

The difference this made was staggering to say the least. The system sounded just incredible from the moment I first powered up. Maybe I got lucky but with literally no setting up or tweaking, I reached Audio heaven.

They seem to have a similarly low distortion characteristic as the Atc’s  and suit each other really well.

Saving up for ages, I added a second (same) JL sub but this wasn’t as dramatic as adding the first. It just smoothed some lumps in the bass response. Definitely not as good value for money as just one and is perhaps overkill for this small room but it is really my dream setup now. 
With some tweaking and adding diffusers here and there, the system is incrementally improving. I’ll try putting the tweeters on the inside rather than the outside next... thanks for the tip guys.
Only at loud volume, do I hear some room nodes/ resonance at lower frequencies. So I guess getting some bass traps would come next?
Anyone have any recommendations for this?
I wonder how much better I can get this system?!

 

@MarkT do you think the sound anchors are worth the money? They look like awesome stands but are very expensive...wondering if they are much better than what comes with the classics? 
 

@JDWest

Thanks for clarifying the difference between the tower vs classic... I’ve often wondered about that... and for the tweeter tip!

 

Also can highly recommend the guys at @puremusicgroup Melbourne. Their after sales service is really excellent. Thanks guys!

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The sound anchors are very high quality stands , rock solid and heavy.

ÀTC themselves recommend them.

 

Needless to say shipping from the USA is expensive , but worth it imo if you want the best for them.

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ATC speakers aren't bass shy but a helluva lot of recorded music is.

Those overbuilt, low distortion in-house bass drivers, amps and cabinets don't lend any extra bass weight in the form of lovely fat distortion in the way many other easy to love speakers do. When that's what you're used to, listening to ATC speakers requires a recalibration.

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2 hours ago, Nickynick said:

Great to see a dedicated thread for Atc... thanks for starting one!

This is my first post on this forum despite being a lurker for some time.

 

I’m amazed that Atc doesn’t have that  much of a presence here in Aus, they are just fantastic speakers... I don’t think there are any weak models in their range.

 

I do appreciate that they aren’t for everyone, perhaps more so with the bigger models for people expecting a bigger bottom end. The leanness of the bass may be a stumbling block for some people. The lack of distortion of the SL drivers makes them sound a bit light in the bass area. However once your ears get used to this, there is no going back. Listening to other speakers now, I can clearly hear their distortion...I suppose some people like the extra fullness that this brings.

Having been converted to actives a long time ago, I chose new 50 actives for my smallish L shaped room and was actually shocked at how little bass I got in this room. I thought I had made a very expensive mistake! If I could have returned them, I probably would have. Be patient and give them 50-100 hours or so and the bass starts to grow as they burn in/ loosen up. Never thought that was a such a thing until I experienced it for myself. 
I tried adding a sub to fill the real lower end some more (a Dynaudio bm14s) and was totally disappointed at how bad it all sounded no matter what I tried. It just would not integrate with the Atc’s. The sub actually sounds great with Dynaudio bm6a active bookshelf's perhaps unsurprisingly as they were part of the same range of pro models.
I really wanted to get Atc subs as I knew they would work well together but just couldn’t afford it.

So my search ended about a year or so later when I came across a second hand JL Audio f112v2.

These subs have very low distortion and are quite compact for what they can do, suiting my small room sizewise.

The difference this made was staggering to say the least. The system sounded just incredible from the moment I first powered up. Maybe I got lucky but with literally no setting up or tweaking, I reached Audio heaven.

They seem to have a similarly low distortion characteristic as the Atc’s  and suit each other really well.

Saving up for ages, I added a second (same) JL sub but this wasn’t as dramatic as adding the first. It just smoothed some lumps in the bass response. Definitely not as good value for money as just one and is perhaps overkill for this small room but it is really my dream setup now. 
With some tweaking and adding diffusers here and there, the system is incrementally improving. I’ll try putting the tweeters on the inside rather than the outside next... thanks for the tip guys.
Only at loud volume, do I hear some room nodes/ resonance at lower frequencies. So I guess getting some bass traps would come next?
Anyone have any recommendations for this?
I wonder how much better I can get this system?!

 

@MarkT do you think the sound anchors are worth the money? They look like awesome stands but are very expensive...wondering if they are much better than what comes with the classics? 
 

@JDWest

Thanks for clarifying the difference between the tower vs classic... I’ve often wondered about that... and for the tweeter tip!

 

Also can highly recommend the guys at @puremusicgroup Melbourne. Their after sales service is really excellent. Thanks guys!

 

Tweeters out can help widen soundstage if forced to have speakers close together.

Tweeters in will focus imaging and considered optimal if space between speakers is not an issue.

Just a guide though as the way YOU like best is all that matters!!!!

 

Also very important to ensure that the acoustic centre is at MLP ear height.

 

IIRC I think it was around about the lower half of the mid dome..........it's mentioned in user manual anyway.

 

I had to stick FOUR 4cm pavers under mine to get them up but..........IT WAS WORTH IT!!!!!!!!😊

 

Happy Listening.

Edited by JohnL

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4 hours ago, Nickynick said:

I do appreciate that they aren’t for everyone, perhaps more so with the bigger models for people expecting a bigger bottom end. The leanness of the bass may be a stumbling block for some people. The lack of distortion of the SL drivers makes them sound a bit light in the bass area. However once your ears get used to this, there is no going back. Listening to other speakers now, I can clearly hear their distortion...I suppose some people like the extra fullness that this brings.

Its how they are designed, they are not tuned to go real low.  They have to match a 15"/12"/10" woofer up to a mid dome that doesn't go as low as a standard cone driver.

 

 

 

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I agree, it seems that they built the speaker(s) around the amazing mid dome unit. Its a really wonderful driver.

So for me at least, having subs really brought the best out of the 50asl’s. It struck me most hearing reverbs of large halls... with the subs on, you seem to be in a much larger space. I guess this is what people mean by scale.

Would love to hear what the 100’s and 150s can do... how about the 300’s? Anyone heard those? Phew!

@deanB that’s a really good point about recalibrating. Could ‘burn in’ actually be the same thing? My ears seem to hear differently after living with them for a while.

 

@JohnL Did the pavers themselves make a big difference or does the correct height make more of a difference? This may be the cheap alternative to sound anchors...

One good thing is that the supplied stands slide around relatively easily on carpet!

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