ATC curved SCM40 Active

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Re: ATC curved SCM40 Active

Postby Alexk » Tue Dec 23, 2014 6:40 pm

Mains really can make a large difference. Keeping the earth resistance as low as possible seems to have a large impact as well.

A flat I lived in up until a year ago had all sorts of issues with power (which culminated in having all the floors lifted up and entirely new wiring installed). One of the issues was a very high earth resistance, around 300-400 Ω if I remember correctly. The improvement in sound when we had a new ground rod and distribution installed was very very noticeable. Even more so with microphones/preamps.

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Re: ATC curved SCM40 Active

Postby Musicraft » Tue Jan 06, 2015 2:47 pm

ATC will today launch their eagerly awaited curved SCM40A (active) monitors at CES 2015 (Las Vegas)

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The curved SCM40A is an active version of ATC's highly successful curved SCM40 passive monitors. The 3-way design, employing all hand built ATC drive units is complimented with a built-in 235Watt class AB tri-amplifier. The MOSFET based amplifier is a modified version of that found in ATC's larger active monitors, the SCM50ASL, SCM100ASL and SCM150ASL.

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SH25-76 HF drive unit used in curved SCM40A active monitors

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ATC SM75-150 soft dome mid range drive unit used in SCM40A active monitors

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ATC SB50-164(SC) bass driver used in SCM40A active monitors

Thanks

Rick @ Musicraft
Musicraft is Derby's foremost dealer for the finest specialist Hi-Fi, Home Cinema & Multimedia components/systems. So, if you would like to know more about how our products can enrich your life, then please visit us or contact Rick.

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Re: ATC curved SCM40 Active

Postby MevDinc » Tue Jan 06, 2015 3:55 pm

Looks the business, and gives a good opportunity to a lot of people to experience the active ATC monitoring!
Best to all for the new year :)
Audirvana+3.0 - Mac Mini, Lindermann Musicbook 20 DSD, ATC EL 150ASL (with the ATC tweeter!)

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Re: ATC curved SCM40 Active

Postby Musicraft » Fri Jan 09, 2015 3:14 pm

Hi Mev

Indeed :)

curved active SCM40A monitors pick up a What Hi-Fi Stars of CES 2015 Award 8-)

All the best

Rick @ Musicraft
Musicraft is Derby's foremost dealer for the finest specialist Hi-Fi, Home Cinema & Multimedia components/systems. So, if you would like to know more about how our products can enrich your life, then please visit us or contact Rick.

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Re: ATC curved SCM40 Active

Postby fidelityaudio » Mon Jan 26, 2015 11:25 am

Mine have been on order for a few weeks now. Waiting for the next batch to be complete

Sold my old 40's and two ATC amps is nice but two weeks with out proper audio and is pure torture :(

Brent
Fidelity Sound and Vision

33 Arksey Lane | Bentley | Doncaster | DN5 0RX | 01302 563123

http://www.fidelitysoundandvision.co.uk/

http://www.fidelityaudio.co.uk/

Marantz SA-11S2 hugely moddified, ATC CA2 moddified, ATC SCM-40A, ATC C3C Center, ATC P1 Center amp, Marantz AV8801

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Re: ATC curved SCM40 Active

Postby fidelityaudio » Thu Feb 05, 2015 10:16 am

The 40 Actives arrived yesterday. Ran them all afternoon side by side with some passive 40s running ATC CA2/P1 and a Marantz SA-7 cd player. Later on they went home onto a better setup where they had another 6 hours running. The differences are there to hear, some subtle and some big.

The Actives voice much more accurately with better definition around vocals. Decay lasts longer, minute details in the treble are easily heard. Bass response is quicker and above all the dynamics are superb. Drums kick much more naturally and piano sounds like it is there in front of you.

This speaker is very close to the 50A.

Original published power for the tweeter was 25W but the manual and website now says differently - Amplifier Output: 150W LF, 60W MF, 32W HF

Brent
Fidelity Sound and Vision

33 Arksey Lane | Bentley | Doncaster | DN5 0RX | 01302 563123

http://www.fidelitysoundandvision.co.uk/

http://www.fidelityaudio.co.uk/

Marantz SA-11S2 hugely moddified, ATC CA2 moddified, ATC SCM-40A, ATC C3C Center, ATC P1 Center amp, Marantz AV8801

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Re: ATC curved SCM40 Active

Postby MattSPL » Thu Feb 05, 2015 11:57 am

Thanks for the update Brent :)
They sound like they are going to be great.

Cheers
Matt
Sony BDP-S790 > Matrix Quattro Dac > Digidesign RM2's with SB Acoustics drivers > DIY Dayton Audio UM18-22 Sub

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Re: ATC curved SCM40 Active

Postby AndyU » Thu Feb 05, 2015 1:43 pm

Can anyone tell me..

1. Do the 40As have adjustable input sensitivity (like the pro models)?

2. And do they have adjustable bass boost (like the pro models)?

Cheers!

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Re: ATC curved SCM40 Active

Postby fidelityaudio » Thu Feb 05, 2015 5:36 pm

No and No

They do have a On Off switch though :D

Brent
Fidelity Sound and Vision

33 Arksey Lane | Bentley | Doncaster | DN5 0RX | 01302 563123

http://www.fidelitysoundandvision.co.uk/

http://www.fidelityaudio.co.uk/

Marantz SA-11S2 hugely moddified, ATC CA2 moddified, ATC SCM-40A, ATC C3C Center, ATC P1 Center amp, Marantz AV8801

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Re: ATC curved SCM40 Active

Postby Dogill » Thu Feb 05, 2015 6:19 pm

And they have a fault light at the back, not sure what that is for, especially if you can't see it while listening...
Ripnas SSD, Weiss MAN301 + DAC-B, ATC100SE

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Re: ATC curved SCM40 Active

Postby fidelityaudio » Fri Feb 06, 2015 11:10 am

It's to let you know there is no sound coming out ;-)

Seriously though it's more an indicator for the ATC engineers, if that light is on there is definitely an output problem

Brent
Fidelity Sound and Vision

33 Arksey Lane | Bentley | Doncaster | DN5 0RX | 01302 563123

http://www.fidelitysoundandvision.co.uk/

http://www.fidelityaudio.co.uk/

Marantz SA-11S2 hugely moddified, ATC CA2 moddified, ATC SCM-40A, ATC C3C Center, ATC P1 Center amp, Marantz AV8801

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Re: ATC curved SCM40 Active

Postby ATC Loudspeakers » Mon May 11, 2015 12:11 pm

Dogill wrote:And they have a fault light at the back, not sure what that is for, especially if you can't see it while listening...


The red light on the rear is to indicate one of two possible fault conditions and that 'protect' mode (shut down) has occured:
1. The amplifier plate is too hot
2. There is a DC voltage on the output of any of the three amplifiers

Kind Regards,

Ben

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Re: ATC curved SCM40 Active

Postby simonthepieman » Thu Feb 16, 2017 11:12 pm

Old thread now but i my recent opinion the absolute Bang for the buck as you would say in the USA is the Active 40
you get 3 way which means the Mid dome , seriously the resolution and detail (realism, natural sound of a real piano ) of every instrument was flabbergasting compared to
an atc at well over twice/trice the price , just stunning, factory visit yesterday 15th feb 2017


Seriously fantastic quality for the price , this is in a brief comparison with 50se's at 4 times the price
ok 50's a bit groovier but the detail and sound stage of the 40's could not be surpassed
so easy to listen to everything individually yet gelled as a whole

honestly (as an owner of 100's not listened to them yet as having tweeter upgrade & service, as i type) I would just buy
these 40a's and invest in music

Bloody unbelievable ! Incredible value !!

simon

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Re: ATC curved SCM40 Active

Postby MevDinc » Fri Feb 17, 2017 2:57 pm

simonthepieman wrote:Old thread now but i my recent opinion the absolute Bang for the buck as you would say in the USA is the Active 40
you get 3 way which means the Mid dome , seriously the resolution and detail (realism, natural sound of a real piano ) of every instrument was flabbergasting compared to
an atc at well over twice/trice the price , just stunning, factory visit yesterday 15th feb 2017


Seriously fantastic quality for the price , this is in a brief comparison with 50se's at 4 times the price
ok 50's a bit groovier but the detail and sound stage of the 40's could not be surpassed
so easy to listen to everything individually yet gelled as a whole

honestly (as an owner of 100's not listened to them yet as having tweeter upgrade & service, as i type) I would just buy
these 40a's and invest in music

Bloody unbelievable ! Incredible value !!

simon


Absolutely agree! :)
Audirvana+3.0 - Mac Mini, Lindermann Musicbook 20 DSD, ATC EL 150ASL (with the ATC tweeter!)

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Re: ATC curved SCM40 Active

Postby Fredlocks » Thu Feb 23, 2017 11:06 am

simonthepieman wrote:Old thread now but i my recent opinion the absolute Bang for the buck as you would say in the USA is the Active 40
you get 3 way which means the Mid dome , seriously the resolution and detail (realism, natural sound of a real piano ) of every instrument was flabbergasting compared to
an atc at well over twice/trice the price , just stunning, factory visit yesterday 15th feb 2017


Seriously fantastic quality for the price , this is in a brief comparison with 50se's at 4 times the price
ok 50's a bit groovier but the detail and sound stage of the 40's could not be surpassed
so easy to listen to everything individually yet gelled as a whole

honestly (as an owner of 100's not listened to them yet as having tweeter upgrade & service, as i type) I would just buy
these 40a's and invest in music

Bloody unbelievable ! Incredible value !!

simon


Are you saying that the 40s are better than the 50s and the 100s? How can that be and if that is the case then why bother with the larger models? Please clarify.

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