Dynaudio Owner's Thread - Page 784 - AVS Forum
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post #23491 of 23511 Old Yesterday, 07:52 PM
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It's funny reading the past few pages. Can anyone remember the Focus XDs? Say what? Probably the exact opposite effect they were hoping for when they made these simultaneous announcements...

Anyone want to bet that the Class D amps in the new XD models...come from China? (Any yet add 50% to the cost!)

The future of Dynaudio indeed.
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Current HiFi: Dynaudio Focus 260 | Meridian Direct DAC | NAIM XS 2 (2013)
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post #23492 of 23511 Old Yesterday, 08:53 PM
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Originally Posted by GTaudiophile View Post
It's funny reading the past few pages. Can anyone remember the Focus XDs? Say what? Probably the exact opposite effect they were hoping for when they made these simultaneous announcements...

Anyone want to bet that the Class D amps in the new XD models...come from China? (Any yet add 50% to the cost!)

The future of Dynaudio indeed.
I really hope that they didn't go this route... I guess I'm one of the few who remains optimistic about the hopefully great speaker that the XDs could be.

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post #23493 of 23511 Old Today, 04:22 AM
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Originally Posted by GTaudiophile View Post
It's funny reading the past few pages. Can anyone remember the Focus XDs? Say what? Probably the exact opposite effect they were hoping for when they made these simultaneous announcements...

Anyone want to bet that the Class D amps in the new XD models...come from China? (Any yet add 50% to the cost!)

The future of Dynaudio indeed.
Well per Mick (Dynlunatic) they don't use class 'D' amps. Here is his response
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What does Dynaudio know about amps, dsp, etc. quite possibly the last couple decades or so with our pro products has something to do with it? We have had a tremendous amount of engineering dedicated to DSP and amplified speakers over the last 20 plus years. The Focus XD's are utilizing not a class "D" amplifier which is analog but rather the digital version of the PWM amplifiers using the Pure Path chip set, the technology amplifies the output of the digital signal and uses DSP in the signal path to control any phasing issues, this is the reason why there is no D to A conversion. The amp is presenting a virtual analog sinewave to the drivers. The Focus XD uses the same amp technology that the Xeo does just more of it with 150 watts per driver, the same wireless capability using the Xeo Hub however the direct digital input on the amp gives you 24/192 capability, the analog input on the amp is actually converted to digital inside the amplifier.
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post #23494 of 23511 Old Today, 04:58 AM
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Originally Posted by OctaDyn_Dude View Post
Well per Mick (Dynlunatic) they don't use class 'D' amps. Here is his response
PWM looks to be Class "D".

http://www.irf.com/technical-info/appnotes/an-1071.pdf
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post #23495 of 23511 Old Today, 05:37 AM
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Hmmm sure does.
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post #23496 of 23511 Old Today, 05:51 AM
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Like I said cheap quality, high profits. Done!
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post #23497 of 23511 Old Today, 06:23 AM
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Like I said cheap quality, high profits. Done!
Did they move production to China yet or is it just having a Chinese as a majority owner? I know my gut doesn't like this but I'm all in favor of giving it a chance. I mean Apple products are made in China and nobody complains about shoddy quality. Or any products out of the Foxconn factory.
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post #23498 of 23511 Old Today, 06:42 AM
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Originally Posted by OctaDyn_Dude View Post
Did they move production to China yet or is it just having a Chinese as a majority owner? I know my gut doesn't like this but I'm all in favor of giving it a chance. I mean Apple products are made in China and nobody complains about shoddy quality. Or any products out of the Foxconn factory.
Agree, apple holds China to a standard and monitor them closely. But we are also comparing a $500 phone that people trade in after a year. The other problems go much deeper then that, China is poisoning us. They hate the US look what they have done with children's toys with lead and dog food killing our animals. This country and others are going to find out the hard way when no one will know how to manufacture then the **** will really hit the fan. Sorry for the rant and going off topic! Just seen it way to many times.
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post #23499 of 23511 Old Today, 06:59 AM
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Agree, apple holds China to a standard and monitor them closely. But we are also comparing a $500 phone that people trade in after a year. .
I know some folks that trade in their speakers that often too LMAO. You know who I mean.
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post #23500 of 23511 Old Today, 07:21 AM
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Originally Posted by OctaDyn_Dude View Post
Well per Mick (Dynlunatic) they don't use class 'D' amps. Here is his response
This just proves that Mick is a robot and knows nothing about amplifier topology. An amplifier class refers to the power supply, not the preamp section. He stated NOTHING about the power supply and simply repeated his marketing material of the preamp section.

Give you less, charge you more, and nail the marketing. It's only the beginning.
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post #23501 of 23511 Old Today, 07:43 AM
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Give you less, charge you more, and nail the marketing. It's only the beginning.
Starting to sound like Bose!
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post #23502 of 23511 Old Today, 07:54 AM
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Originally Posted by Riasat Raian View Post
hey there,

(newbie) i was looking for some cable advice for Focus 160. am i at the right place?
Hi Riasat

First off ….welcome to the forum and if you've got a pair of Dyns your in the right place.

I wouldn’t get too hung up about which cable, reasonably priced and good quality would be Canare 4S11 or 4S12 Star Quad Speaker Cable which you can buy in bulk or pre-finished, check ebay.
The type of connector is usually the hardest to decide on,….spades, banana plugs or just bare wrap, usually comes down to personal preference, I use all three.
Rule of thumb though, more than with high impedance interconnects is keeping the length for speaker cables, which is a low impedance connection, as short as possible.

Robert
Toronto, Ontario

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post #23503 of 23511 Old Today, 09:08 AM
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Originally Posted by sqoverall View Post
This just proves that Mick is a robot and knows nothing about amplifier topology. An amplifier class refers to the power supply, not the preamp section. He stated NOTHING about the power supply and simply repeated his marketing material of the preamp section.
That's such utter Bull$hit. The class refers to how the amplification is done whether its the amp or pre-amp. You don't understand amps. Tell me can a linear P/S be used in a class A - AB or D amp. Can a switching regulator P/S be used in the same amps? Of course they can. Educate yourself
http://electronicdesign.com/analog/u...rating-classes

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post #23504 of 23511 Old Today, 09:13 AM
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My wife won't be crazy about new floorstanders in the living room either, that's why I need to buy them before she gets back from vacation next Tuesday. She'll eventually get over it once I tell her I only paid $300 for them.

I felt the midrange addition in the 340 made a big difference and helped balance out the noticeably deeper bottom end they had over the 260. If I were to go with the 260, I'd couple them with my sub. Do you run a sub with yours?
My room is 12.5x25 with a slopped roof from 12'-24' open to a large stairwell and the 9x9 entryway in front of the stairwell. I do not use a sub with my 260s. I use a 60/90 wpc naim XS which plays really loud in my partially acoustically treated room. My speakers are 30" off the wall and I sit 10' back.

The 340s are a very good product, they do offer up a little more mid-range and bass but I really feel that the 260s are the sweet spot. They create a soundstage and image like their little brother the 160s but with improved bass response and a touch of extra detail. The size of th 260 is the exact same as the 160 in width and depth, so the 260s really behave a lot like a monitor in many way. The 340s were very good but didn't disappear the same way 160s and 260s did. The 340s just had a little bit more presence in the room. I'm a little bit of a bass head and for $1k I'd probably go for the 340s but I'm very happy with the 260s.

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post #23505 of 23511 Old Today, 09:21 AM
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Originally Posted by OctaDyn_Dude View Post
That's such utter Bull$hit. The class refers to how the amplification is done whether its the amp or pre-amp. You don't understand amps. Tell me can a linear P/S be used in a class A - AB or D amp. Can a switching regulator P/S be used in the same amps? Of course they can. Educate yourself
http://electronicdesign.com/analog/u...rating-classes
You are right. I don't understand amps. I only own about $40k worth of car audio amplifiers at the moment, and sell over $100k+ worth a year.

The class of an amp refers to the power supply and how it operates. A class D amp has a switching power supply which switches of transistors when they are not in use. This causes switching noise in the signal which then needs to be filtered out. This filtering is what causes the sound of class D amps to be mediocre at best.

I will stand by initial comment that Mick clearly doesn't know crap about amplifier topology.....and let's add you to that mix as well.
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post #23506 of 23511 Old Today, 09:33 AM
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Originally Posted by sqoverall View Post
You are right. I don't understand amps. I only own about $40k worth of car audio amplifiers at the moment, and sell over $100k+ worth a year.

The class of an amp refers to the power supply and how it operates. A class D amp has a switching power supply which switches of transistors when they are not in use. This causes switching noise in the signal which then needs to be filtered out. This filtering is what causes the sound of class D amps to be mediocre at best.

I will stand by initial comment that Mick clearly doesn't know crap about amplifier topology.....and let's add you to that mix as well.
Car amps Oh are they the bomb. Much better than home audio. You sound like a salesman not someone who works repairing electronics like myself for the last 40 years. BTW there are plenty of home audio amps the utilize switching regulator power supplies in class A and AB amps.
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post #23507 of 23511 Old Today, 09:55 AM
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Originally Posted by OctaDyn_Dude View Post
Car amps Oh are they the bomb. Much better than home audio. You sound like a salesman not someone who works repairing electronics like myself for the last 40 years. BTW there are plenty of home audio amps the utilize switching regulator power supplies in class A and AB amps.
No matter the environment (car or home), they all use the same topology; A, AB, D, GH. It's all about the power supply.

You must be a pretty dumb repair guy if you don't even know something as simple as to why an amplifier is relegated to a certain class. You might want to read up on bias and how it is used. Class A and AB fets are never all the way off. In Class D they are. Hence, the reason for the power and efficiency increase.
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post #23508 of 23511 Old Today, 10:14 AM
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Wow, these conversations almost make me want to buy different speakers just to visit another thread on this forum! I can't say I'm happy with whom the company was sold to, but I'll wait and see what happens before I jump ship. If it goes well, great, if it goes the way I fear... Well there's always Totem Metals or Dali Rubicons!

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Naim Nait XS-2, Jolida FX Tube DAC, Integra DTR-40.2, 55" Panasonic Plasma
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