solderdude
Grand Contributor
These don't have a resistance... they are purely capacitive (160nF).
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Lily Audio Genesis One Headphone Review
- Thread starter amirm
- Start date
Unfortunately this is a most likely a pre tuning retrofit model so it’s not entirely accurate to the current production model being sold https://www.lilyaudio.com/community-and-news/ks-update16
OP
- Thread Starter
- #23
Their fix only addresses the 2 kHz peak and not the continuation to 4 KHz.
AetherDrive
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phoenixdogfan
Major Contributor
I don't know how something this flawed makes it out the door and into the public marketplace, let alone gets priced at $1200. Don't these people listen to their own product? And it's not like this is an established audio company (correct me if I'm wrong, but I never heard of these guys) putting out this piece of junk. Don't they realize this is their first impression, don't they test their own product? IDK how anyone can put out something so damaged especially if they are trying to break into the extremely competitive headphone audio market. Talk about putting your worst foot forward!
As always, a terrific review, Amir.
As always, a terrific review, Amir.
OP
- Thread Starter
- #26
I have packed it already. That aside, I don't see how lack of tolerances causes a peak there. And further, the two cups responded differently so one solution doesn't work for both.
OP
- Thread Starter
- #27
Even easier: why didn't they measure each one before sending out to customers? It is not like it is a $20 mass market headphone.
The peaking seems like panel resonance to me. The "fix" as such seems to be a bandaid.
Profits. This is in the audiophool price range and a couple of glowing reviews from the rags and there laughing all the way to the bank. Didnt take long to find one.
Lily Audio Genesis One Crystal Core Headphones - Impedance And Clarity Beyond Origins — Audiophile Heaven
Lily Audio Genesis One is a $1200 USD pair of headphones with a unique crystal core technology, which are now available on Kickstarter and as we can see in our review today, the product exists, is real and working, and will be the focus of our review today. As this is a high-end pair of...
www.audiophile-heaven.com
"it will deliver the dynamic range, impact and volume with zero distortion. Genesis has much lower distortion than other headphones... (yea zero is what he just said).
....extremely low THD ......"
"a fully recommended purchase today on Audiophile Heaven"
AetherDrive
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I have my FR response for my exact G1, if you request it they will provide it. That being said, since they have it, it should be sent to the owner without having to request it.
Yeah, it is a bandaid, according to the company they bonded the transducer directly to the chassis, which is likely the cause for resonance but it also gives us that bass tactility.
I’m more positive about this device as I got a discount on the Kickstarter price. If I had paid retail for it, my outlook would be much more negative.
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OP
- Thread Starter
- #30
??? Then the owner of this headphone had his measured as well yet the product was shipped to him as is???
AetherDrive
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Here’s mine and yes, the channel imbalance in the midrange is audible and requires correction using per channel EQ. It was the audibility of the strange channel imbalance that prompted me to reach out to the manufacturer.
Roland68
Master Contributor
I wonder what the max. voltage swing is (not specified) before it breaks.
To reach 100dB peak SPL it needs 17V = (40W/8ohm amp speaker out or Topping A90D on balanced out) and that amp would just 'see' a 160nF cap on its output.
For those that wonder ... no 100dB SPL peak is not the same as 100dBA noise levels.
100dB peaks comes down to 85-90dB average levels, just above studio reference levels.
110dB peaks would require 53V = 400W/8ohm amp (800W/4ohm) = 150Vpp.
I'm sure it would not sound nice at these peak levels.
In contrast a Sundara for instance would only need 1.7V (30x less)
I would recommend to put a 100ohm resistor in series with it and ensure amps will not oscillate. That will also calm the upper treble a bit.
Other headphones that use a piezo-electric driver are the Mitchell & Johnson headphones (which are also known under various other brands).
These used the piezo drivers for treble only and had a transformer in it to increase sensitivity.
Mitchell & Johnson JP1 DJ
back to measurements home published: Jun-8-2018 NO SMOOTHING is applied to the shown plots. Most measurement sites have some smoothing applied which ‘irons flat’ sharp peaks and ‘wiggles’. I do not…diyaudioheaven.wordpress.com
The old Violectric HPA V280 could probably deliver more voltage.
At 600 ohms, it provides a voltage of 32.9 volts and 1800 mW per channel. At 1000 ohms, the voltage might be slightly higher still.
solderdude
Grand Contributor
33V at best (which is still substantial) but at 20kHz the 'impedance' drops to 50ohm and the output voltage to max. 12V at that frequency.
Fortunately there is not much signal at 20kHz present in a recording so 12V in 50 ohm is probably enough.
Probably best to drive it from the output of a speaker amp (with 100ohm in series).
Fortunately there is not much signal at 20kHz present in a recording so 12V in 50 ohm is probably enough.
Probably best to drive it from the output of a speaker amp (with 100ohm in series).
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Soria Moria
Addicted to Fun and Learning
The sensitivity chart will be harder to read from now on
OP
- Thread Starter
- #35
The only purpose for this to exist is so audiophiles can brag about how difficult their prized headphones are to drive when talking about others’ headphone amps. Oh yours could never push MY reference cans to proper listening levels lulz.
AetherDrive
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When else would I get to talk about my stereo amp pushing my super inefficient headphone?
I wouldn’t say it’s a bragging point for me, I’m a bit of a technophile and the oddity of a piezo headphones is alluring to me. Every couple of years, perhaps decades, someone tries to push out electret or piezoelectric HPs and I find them very fascinating.
SuicideSquid
Major Contributor
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- Jan 20, 2022
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It feels like, with maybe the exception of Dan Clark and Audeze, average sound quality falls off a cliff above $500. Embarrassing how many boutique $1,000+ headphones are dreadful.
kemmler3D
Master Contributor
I personally think it's wild that they'd ship a unit with 4-12dB channel imbalance between 2-6 Khz, that's basically guaranteed weird sound and brutalized stereo image, if you get any at all.
SnakeLord
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Audiophiles... since they follow simple audiophile rule Nr.1: The higher the price, the better the sound.
Nobody would care about this HP for 100$
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