Analog Gear News

No resonance to 5 kHz! Can't wait to hear what you think...

Now we just sit back and relax and wait for someone to come along and tell us how a much cheaper arm has better specs.

It will be interesting to see how the cartridge matching goes!

stealth bomber/straw mixture. Will look interesting on some turntables.

Interesting concept. If the sapphire is incredibly rigid and great at rejecting resonances, I’d like to see them use it to make a longer tonearm (12” minimum) with none of the usual long-arm rigidity or resonance issues. Could be a gamechanger.

I think I'll order one right away. Not sure if it will outperform my Crosley.

What makes this 'sapphire?'

How would this differ from a ruby or aluminum oxide?

I think I know the answer, but would greatly appreciate a more physical science minded informed opinion.

producing the sapphire from Hellman’s mayonnaise??? Could have brought the price down to 1/10 the cost!

It is 6250 carats. One carat is defined to be 5 gram.

as long as it looks like a Klingon Bird of Prey.

“ 60 grams (compatible with phono cartridges of CU (compliance 25 or lower)”. Shurely shome mushtake? According to the resonance calculator I use (http://www.resfreq.com/resonancecalculator.html) in this arm a cartridge weighing,like Kuzma’s own cartridges,17 grams with a compliance of a low 8cu will produce a fundamental resonance at a distinctly borderline 6.4 hz. Between 8-12 hz is optimum. A cartridge like the Lyras weighing 12 grams with a compliance of 12cu will have a fundamental resonance of 5.4 hz. A 10 gram cartridge with a compliance of 20 cu produces a fundamental resonance of 4.2 he. All these resonance frequencies are too low and likely to result in instability in the. Or am I missing something?
I have a SAT LM09 which has an effective mass of 23 grams I believe and I had instability issues with a Transfiguration Proteus and a Lyra Kleos. So it is a real world problem.

Nice but not my budget.

A little man walked up and down,
He found an eating place in town,
He read the menu through and through,
To see what fifteen cents could do.
One meatball, one meatball,
He could afford but one meatball.

Dear god in heaven, does this mean that my 14" 4 point is not worthless and Ill have to pony up thousands more just to stay 'cool"? I cant take the stress, goodbye kruel world.

Makes me wonder about DIY options. I took a counterweight to a gunsmith once who used a drill press to drill 4 holes in the back of it so I could use a Supex 6 gram headshell without lead plates to replace a 13.5 gram Marantz shell. Linda Ronstadt immediately lost the sinus condition last heard with the Shure M95ED cartridge. Some of these tweaks work but some of the no nothings at that Audio Science Review Forum will not hear of it.

An automatic vortex can replace the 13.5-gram Marantz case. Another way when i start drift boss

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The introduction of Franc Kuzma’s SAFIR 9 tonearm, crafted from sapphire, represents a groundbreaking innovation in high-end audio equipment. Its unique design, featuring improved bearing systems and superior vibration dissipation, sets it apart in the world of tonearms. Much like how checking the Sonic allergen menu is essential for those with dietary restrictions when enjoying Sonic Drive-In's delicious items, such as their classic hot dogs and onion rings, the SAFIR 9 tonearm offers meticulous attention to detail, ensuring an exceptional and resonant-free audio experience for audiophiles.