My Harman (JBL M2) Trip

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JDUBS

Re: My Harman (JBL M2) Trip
« Reply #120 on: 27 Apr 2017, 12:18 pm »
What are the specs on the A->D conversion for the Crown amp?  Can you feed it a digital signal directly so as to avoid the A->D and then D->A?

-Jim

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #121 on: 27 Apr 2017, 12:35 pm »
I recently heard the Manhattan playing DSD files. Sublime.............

Im sure the Brooklyn is equally as impressive.  :thumb:
I went back and fourth between the two and didn't hear $3k+ worth of happiness there. 

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #122 on: 27 Apr 2017, 12:36 pm »
What are the specs on the A->D conversion for the Crown amp?  Can you feed it a digital signal directly so as to avoid the A->D and then D->A?

-Jim
As far as I know, you can't do that. 

NavyDoc

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Re: My Harman (JBL M2) Trip
« Reply #123 on: 27 Apr 2017, 12:44 pm »
What are the specs on the A->D conversion for the Crown amp?  Can you feed it a digital signal directly so as to avoid the A->D and then D->A?

-Jim

You can with the Crown iTech-HD amps.

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #124 on: 27 Apr 2017, 12:57 pm »
You can with the Crown iTech-HD amps.
Right.  FWIW, the two top engineers at JBL recommended the DCi.  The one uses DCi on his personal system with M2's and obviously he can have anything he wants.  I'll also add that after my specific amp questions there was no doubt that the DCi was the way to go unless I was into spending more money (which I was more than willing to do) that was unnecessary.  Also important to note that JBL wouldn't go through the process of tuning files for different amps if it wasn't sufficient. The way they do it is quite resourceful so they wouldn't waste their time if it didn't meet specs.

richidoo

Re: My Harman (JBL M2) Trip
« Reply #125 on: 27 Apr 2017, 03:57 pm »
Thanks Anand, but I'm not quite ready to chug the coolaid yet.  ;) :lol:

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #126 on: 27 Apr 2017, 05:13 pm »
Thanks Anand, but I'm not quite ready to chug the coolaid yet.  ;) :lol:
That's fine.  Happy cutting and sanding!  It's what you enjoy!   :thumb:

Obviously I don't and strongly believe in a proper WG/CD design.   :D

richidoo

Re: My Harman (JBL M2) Trip
« Reply #127 on: 27 Apr 2017, 10:14 pm »
Oh, I know for sure they're gonna be awesome. Just poking a little fun with Anand's salesmanship. ;)  And he may well prevail in the end as my DIY speaker days are numbered. I can't wait to hear them!

sonicboom

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Re: My Harman (JBL M2) Trip
« Reply #128 on: 28 Apr 2017, 01:28 am »
As far as I know, you can't do that.

Do the DCi amps have the required DSP capability to do what's needed in driving the M2's, or will you be using the BSS Soundweb London processor feeding the DCi amps?

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #129 on: 28 Apr 2017, 01:51 am »
Do the DCi amps have the required DSP capability to do what's needed in driving the M2's, or will you be using the BSS Soundweb London processor feeding the DCi amps?
Yes, all built in to the DCi 4/1250n

goskers

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Re: My Harman (JBL M2) Trip
« Reply #130 on: 28 Apr 2017, 01:52 am »
Do the DCi amps have the required DSP capability to do what's needed in driving the M2's, or will you be using the BSS Soundweb London processor feeding the DCi amps?

The DCi amps have all of the capability and more.  Even after the stock tuning for the M2 or 7 series you are allowed additional EQ capabilities to deal with some room anomalies.

JDUBS

Re: My Harman (JBL M2) Trip
« Reply #131 on: 28 Apr 2017, 04:26 am »
IMO, a different league as one would expect.

Why would this be expected?  They use the same drivers, right? 

-Jim

Russell Dawkins

Re: My Harman (JBL M2) Trip
« Reply #132 on: 28 Apr 2017, 06:15 am »
IMO, a different league as one would expect.

Why would one expect that?

Here's a Polish review of the 4367 for yet another perspective:
http://highfidelity.pl/@main-622&lang=en

JohnR

Re: My Harman (JBL M2) Trip
« Reply #133 on: 28 Apr 2017, 06:19 am »
Passive crossover / compare the measurements.

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #134 on: 28 Apr 2017, 11:37 am »
Why would this be expected?  They use the same drivers, right? 

-Jim
Same drivers, yes.  Different crossover and waveguide. 

Russell Dawkins

Re: My Harman (JBL M2) Trip
« Reply #135 on: 28 Apr 2017, 04:44 pm »
Same drivers, yes.  Different crossover and waveguide.
Did you get the opportunity to hear them side by side, perchance?

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #136 on: 28 Apr 2017, 04:53 pm »
Did you get the opportunity to hear them side by side, perchance?
I didn't but week before the Harman trip and week after the Harman trip. I was able to listen to them in different systems and different rooms.  If the 4367 was subjectively better I would've purchased given how much easier it would have been to integrate.   The reality is that they're not so the M2 was the best choice for me.

Russell Dawkins

Re: My Harman (JBL M2) Trip
« Reply #137 on: 28 Apr 2017, 05:07 pm »
I didn't but week before the Harman trip and week after the Harman trip. I was able to listen to them in different systems and different rooms.  If the 4367 was subjectively better I would've purchased given how much easier it would have been to integrate.   The reality is that they're not so the M2 was the best choice for me.
Thanks. Sometimes better is better and it's obvious without a direct comparison. I experienced that when I auditioned my K+H o300s in isolation and an unfamiliar acoustic back in 2010. I didn't need to compare them directly with the speakers I was then using for studio monitors; it was immediately apparent that they matched reality better.

lowtech

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Re: My Harman (JBL M2) Trip
« Reply #138 on: 28 Apr 2017, 07:01 pm »
At the end of the day we know that us buying a couple pairs of loudspeakers which are admittedly expensive to us really doesn't move the bottom line for them.

Don't sell yourself short.  Look what your efforts did for Earl Geddes.

jtwrace

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Re: My Harman (JBL M2) Trip
« Reply #139 on: 28 Apr 2017, 07:02 pm »
Don't sell yourself short.  Look what your efforts did for Earl Geddes.
Yeah, it pushed him to now be a stained glass artist.   :lol: