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Re: Introducing the M5 and QS10
Ian #425201 04/24/17 08:51 PM
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Ha! Ian's post made me smile and yours made me laugh.

I'd be glad to field test the M5s, but I don't think I am capable of producing detailed data. My only test instruments are two aging ears connected to a brain, heart and soul.

That's the thing about music, it reaches and arouses all of our most human faculties.

Yes, I feel that irresistible impulse rising and when I am unable to resist, I will give Ian a call and report to you all!


Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
Re: Introducing the M5 and QS10
Ian #425208 04/25/17 02:30 AM
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Phil, does your SET tube amp employ negative feedback?


House of the Rising Sone
Out in the mid or far field
Linearity and mid-woofers are over-rated
Re: Introducing the M5 and QS10
Ian #425209 04/25/17 03:05 AM
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If I lick my fingers and touch the glowing fire bottles, will that give me a hint as to whether my SET employs negative feedback?


Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
Re: Introducing the M5 and QS10
Mojo #425210 04/25/17 03:10 AM
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Yes.

"The circuit has negative feedback, and you can see it in the schematic, where connections from the secondary winding of the output transformer go back to the input. The use of negative feedback may be responsible for the rising frequency response. We have talked about negative feedback on many occasions, and this circuit is an easy way to show what it looks like."


Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
Re: Introducing the M5 and QS10
2x6spds #425211 04/25/17 03:22 AM
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Originally Posted By 2x6spds
If I lick my fingers and touch the glowing fire bottles, will that give me a hint as to whether my SET employs negative feedback?


I think your tongue would prove to be a better indicator. smile

Re: Introducing the M5 and QS10
Ian #425212 04/25/17 03:24 AM
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Yes, Dr. Emilio Lazardo, from the 9th dimension, taught me that trick. "Lick the output transformer," he said.


Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
Re: Introducing the M5 and QS10
2x6spds #425213 04/25/17 03:28 AM
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Originally Posted By 2x6spds
Yes.

"The circuit has negative feedback..."


Then the output impedance of the amp will be acceptably low across the entire frequency range and the amp's output voltage will be well-controlled. This is a good thing. It means the amplitude response of the connected speakers won't be affected by your amp.

Re: Introducing the M5 and QS10
2x6spds #425214 04/25/17 03:32 AM
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Originally Posted By 2x6spds
Yes, Dr. Emilio Lazardo, from the 9th dimension, taught me that trick. "Lick the output transformer," he said.


It tastes so much better when stoned.

Re: Introducing the M5 and QS10
Ian #425218 04/25/17 05:46 AM
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HA!


Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
Re: Introducing the M5 and QS10
Ian #425224 04/25/17 01:56 PM
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Received my M5s earlier than expected smile

A little dinged up however (one corner on each, and the cover plate for one of the tweeters shifted in shipment and probably caused the dome to cave in.

As promised though, some pics below. And I'll post my impressions on the sound shortly, but initial thoughts are that I'll need something better to drive them, haha. Not that my entry level Harman Kardon can't at all. Some tracks certainly shined.




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