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Amp recommendations for Audeze LCD-2 - Page 116

post #1726 of 7692
Quote:
Originally Posted by bluemonkeyflyer View Post

That's what I figured I need to do. As a noobie, though, I've not been able to locate the variable outputs from the MX-136 pre/pro.

I emailed Chuck Hinton at McIntosh and thought I'd ask the Head-Fi forum, too.

Thanks for the help.


Hold on there lightnin' before you strike somebody!  etysmile.gif  Not so fast!

 

How do you have the MX-136 hooked up to you speaker amplifiers?

 

post #1727 of 7692

Hello, can you guys recommend me an entry level amp that will work ok while I save money for a phonitor?

 

Behringer mini amp?

 

 

-Thanks

post #1728 of 7692

kwkarth,

 

Sorry, I was not clear.  I am a noobie with headphones and headphone amps. I will soon receive a set of Audeze LCD 2 headphones.  I plan to buy a nice headphone amp but currently have a circa 1980's HeadRoom 'Standard' headphone amp. I want to use my McIntosh MX136 pre/pro to remotely control volume adjustments of a headphone amp  I have not been able to find variable line out connections from my MX136 pre/pro that will allow volume control of the headphone amp by the MX136; and I don't know if this is possible.  

 

I have my B&W 5.1 speakers connected as follows:

 

Sources connected to MX136 pre/pro with AudioQuest (AQ) RCA, toslink, and HDMI cables.

MX136 connected to Plasma Monitor with AQ HDMI cable.

MX136 connected to McIntosh MC402 & MC205 amps with AQ Balanced Columbia IC's.

MC402 connected to B&W 803S front L/R speakers with AQ Rockefeller biwire cables.

MC205 connected to B&W 805S surround L/R speakers with AQ Rockefeller biwire cables.

MC205 connected to B&W HTM2 center speaker with AQ MontBlanc cable.

(2 channels of the MC205 are unused and available for Zone 2)

MX136 connected to B&W ASW700 Subwoofer with AQ sub cable.

 

Vintage HeadRoom 'Standard' headphone amp tried from each of the following MX136 jacks:

 

Zone A Fixed out RCA jacks.

VCR1 (Record) out RCA jacks.

VCR2 (Record) out RCA jacks.

Zone A out RCA jacks (the 2 of 8 jacks designated for front L/R).

All these jacks send fixed line signals to the HeadRoom amp, so volume adjustments can only be made with the manual volume knob on the HeadRoom amp.

 

So, my question is whether or not it is even possible to setup a system that will mute the external speakers and allow headphone volume adjustments by the MX136 pre/pro OR will I have to buy a headphone amp with on-board remote control?

 

Is there anyone here who uses a MX136 that can help answer these questions?

 

Thanks for the help.


Edited by bluemonkeyflyer - 3/22/11 at 5:40am
post #1729 of 7692

All speakers seems to be connected to the MC402&205 amps so just leave them off?

post #1730 of 7692

Yes, I can turn off the speaker amps as a work-around for muting the external speakers but I still have to drag my lazy butt off the couch every time I want to adjust the headphone volume.  I "need" remote volume control out of my MX136!  ;o

post #1731 of 7692

But the Pre outs to the MC402 must have volume control how else do you control the volume on the speakers.

So if there are no more pre outs you either unhook the MC402 or use two y-connects and turn of the MC402 for headphones?

 

This pic http://www.mcintoshlabs.com/products/1078.asp?action=imagePopup&imageId=pd_t_img2 lower right hand corner you have two RCA for the fronts use those.


Edited by perrew - 3/22/11 at 7:20am
post #1732 of 7692

Thanks for the willingness to troubleshoot.

 

What you suggest is exactly what Chuck Hinton, engineer at McIntosh, advised me to do.  I use balanced IC's between MX136 and MC402 amp.  The Zone A Outputs (RCA) you reference (with picture link) are unused and available.  I connected those Front R/L jacks to the HeadRoom amp.  Changing the volume on the external speakers through the MX136 works just fine but has no effect on the HeadRoom amp.  Chuck said he has no idea why this does not work.

 

Maybe it's a limitation of the HeadRoom??  I don't know.  It's very basic with R/L RCA input jacks on the back and on the front it has on/off, process on/off, and volume knob.

 

 

post #1733 of 7692
Quote:
Originally Posted by bluemonkeyflyer View Post

Thanks for the willingness to troubleshoot.

 

What you suggest is exactly what Chuck Hinton, engineer at McIntosh, advised me to do.  I use balanced IC's between MX136 and MC402 amp.  The Zone A Outputs (RCA) you reference (with picture link) are unused and available.  I connected those Front R/L jacks to the HeadRoom amp.  Changing the volume on the external speakers through the MX136 works just fine but has no effect on the HeadRoom amp.  Chuck said he has no idea why this does not work.

 

Maybe it's a limitation of the HeadRoom??  I don't know.  It's very basic with R/L RCA input jacks on the back and on the front it has on/off, process on/off, and volume knob.

It can't be a limitation of the Headroom amp.  Any amp used thusly would act exactly the same way.  There must be some configuration setting in the Mac Pre/Pro to switch the A zone outs from fixed to variable.  Go through your user manual to see if that isn't so.  If it isn't configurable, then it won't work with any headphone amp, in which case you'll need to use a fixed level output to feed the Headroom and manually adjust the volume to the headphones.  BTW, how far away do you intend to be from the headphone amp with your headphones?  You can't be more than about 6 feet max.  It is sonically, far more preferable to feed your headphone amp with a fixed line out and adjust the headphone volume with the volume control on the headamp, so why not run a long pair of RCA cables to the headamp which you will locate near your seating / listening position?
 

 

post #1734 of 7692

Agreed but if you really, really want remote attenuation for your fixed line out you could try something like this:

 

MASS Pre Amp.png

http://www.audiophileproducts.com/masspreamp


Edited by grokit - 3/22/11 at 1:01pm
post #1735 of 7692
Quote:
Originally Posted by fabriciom View Post

Hello, can you guys recommend me an entry level amp that will work ok while I save money for a phonitor?

 

Behringer mini amp?

 

 

-Thanks

¿Hola?

 

post #1736 of 7692

Mystery Solved.

 

kwkarth and perrew,

 

Thank you for your replies and suggestions.  I told you I'm a headphone/amp newbie!  Your suggestion to run a longer RCA cable set to the listening position never crossed my mind.  That's the easiest 'fix', for sure!

 

Here's where I dropped the ball:

 

The McIntosh MX136 pre/pro sends variable line out signals via RCA Analog, Only.  Although I correctly connected a pair of RCA's from the MX136 Zone A Pre-amp front R/L jacks to the HeadRoom amp, I forgot to check, until just now, that "the little blue dot" next to the Zone A source indicator on the display panel was "OFF" (NOT illuminated).  When the blue dot is "ON"  (or illuminated), this indicates a Digital signal from the source has been selected. When the blue dot is "OFF" (not illuminated), this indicates that an Analog signal from the source has been selected. So, with the blue dot set to "ON",  the HeadRoom amp receives no signal at all.  Toggling the MX136 remote control by alternately pressing the Source's remote control button alternately turns the blue dot "ON" and "OFF".  In order for the MX136 to actually send a signal to the HeadRoom amp, the blue dot must be "OFF" (not illuminated) which means that the source's analog signal has been selected.  Now, it works like a charm!  I can now use the MX136 remote to change the volume.

 

Now, I just have to decide what headphone amp to buy.  I'm seriously considering the CEntrance DacMini,  Benchmark DAC1 HDR, Schiit Lyr, and Meier Concerto.  The Audeze LCD 2 should be ready soon.  I sure wish they'd replace the open cell foam with a leather encased pad.  

 

Thanks, everyone, for the help.

post #1737 of 7692
Quote:
Originally Posted by fabriciom View Post



¿Hola?

 



Not to sound confrontational, but have you read any of the posts in this thread?  I know it's long and we get off track a lot, but there are a lot of different recommendations in here.

 

Personally, I can't really help you much because most of the amps I've spent a lot of time with hooked to the LCD-2 are either not cheap or not widely available.  From limited contacts at meets: Schiit amps were OK, especially for the money.  If you can DIY, β22 sounded pretty good.

post #1738 of 7692

Is the WooWA2 a good match with the LCD- 2?

Thanks

post #1739 of 7692
Quote:
Originally Posted by landgreen View Post

Is the WooWA2 a good match with the LCD- 2?

Thanks



Yes. L3000.gif

 

Quite an excellent pairing IMO.

 

post #1740 of 7692
The Lyr was designed for the LCD2's and it's had some great reviews. I just ordered one yesterday. I'll post my thoughts when I receive it.
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