I agree Amir. Romy is an interesting character who built his own five or six way horn speakers. He does love the original ML2. He really likes the L1 preamp. These are early Lamm products from when he got along with Vladimir Lamm. He also really likes Micro Seiki turntables. He has very strong opinions, just like many of us in this hobby. I enjoyed meeting him and listening to him talk about his love of Bruckner. Romy air conducts more vigorously than does Bonzo.
Kedar (@bonzo) as I know is a good runner not a good audiophile :)))
(Just kidding)
 
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He might deliver some valid nuggets once in a while, but you have to wade knee high through camel dung to find them.:rolleyes:Just like Carlos and Rauls writing, self important people with too much time available.

Nevertheless , are we not more interested in what folks have to say, having hands on experience , and therefore some valid opinion , ergo what they write rather than how they write it No ?
 
His site is old and you popularized system videos after he did his writings on his site.
I don't see how this point is relevant. There are many written sites that have been popular for decades. We are talking talk videos specifically,
 
psuedo balanced XLR out
pin 1 = signal ground
pin 2 = signal output
pin 3 = not connected.



The manual says the input impedance is 16.5 KOhms. Why do you think it is a typo?
Because that's a very high output impedance for a pre-amp.
 
I think you may have your input and output impedance mixed up. The 16.5 KOhms you cited is the input impedance and not a high number for that parameter. Output impedance is 200 Ohms.

200 ohms would be a very normal output impedance, and very much like I would expect.

But I don't see that here:

IMG_5775.jpeg


IMG_5776.jpeg
 
Air Tight Opus 1 is installed and sounding great!

 
200 ohms would be a very normal output impedance, and very much like I would expect.

But I don't see that here:

View attachment 135199


View attachment 135201

As I said in my earlier msg. I am looking at the LL1.1 Sig Manual. Your pic shows data from the Web site. Pretty sure the Web site is incorrect and the manual is authoratative. The Web site has both input and output impedance at 16.5KOhms. So yes that Web version is a typo or an error. It's not the only one in their Web site specs. When the Web site was redesigned two-three(?) years back somehow several of the spec sheets got 'messed up' -- not saying he had a hand in that. I keep pointing those out to Lamm but they do not get corrected thus far.

2024-08-21_1-19-37.jpg
 
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I don't see how this point is relevant. There are many written sites that have been popular for decades. We are talking talk videos specifically,

Talk videos tend to bore and take too much time. Introductions and self-promotions. They cannot be searched. I'd rather read a transcript with salient points highlighted and maybe a few pictures.
 
Talk videos tend to bore and take too much time. Introductions and self-promotions. They cannot be searched. I'd rather read a transcript with salient points highlighted and maybe a few pictures.

Yes I agree, hence I had jokingly mentioned I am waiting for those 3 in Lagonda's post to start talk videos.
 
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Air Tight Opus 1 is installed and sounding great!


That is exciting Ron. How does it sound?

Did you happen to notice how J.R. set your VTA, by listening or by measuring the angle? J.R. seems to be all about precision. Will he come back to fine tune after the cartridge breaks in a bit?
 
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OUATINW > GBU .

All day. Every Day. GBU is meh. The Korean version is much, much improved.
When are you suckers gonna duck?
 
That is exciting Ron.
Thank you, Peter!

How does it sound?
It is only very early hours. But my initial reaction is that it sounds like how I was hoping from the beginning my vinyl playback would sound! The tonal balance is materially different.

The Io is happy with the higher output (.45mV) of the Opus 1. The Io and the Lara seem to be getting along.

The Io is at 75% of maximum gain. The Lara is at 75% to 100% of maximum gain. So both units are getting a work-out.

Opus 1 loading presently is at 150 ohms.

Did you happen to notice how J.R. set your VTA, by listening or by measuring the angle?
J.R. sets VTA by measuring, unless something sounds amiss. Ultimately he goes by listening. He would not stay with a measured setting that doesn't sound as good as something he hears by adjusting and listening.

He fiddles with VTF by ear.

Will he come back to fine tune after the cartridge breaks in a bit?
A future return is not presently scheduled. J.R. has a number of clients in Los Angeles, and I'm sure I will see him again relatively soon for one reason or another, even if just purely social.

He and Nanci have a standing invitation to hang out at the house for a mini-vacation!
 
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psuedo balanced XLR out
pin 1 = signal ground
pin 2 = signal output
pin 3 = not connected.



The manual says the input impedance is 16.5 KOhms. Why do you think it is a typo?
How do you not connect pin 3? Do you break pin 3 off the connector?
 
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