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Pierre111
413
Apr 21, 2018
I'm the Engineer who designed this, I'll try coming here often over the course of the the drop if anybody has interrogations about it.
U0900147
60
Apr 21, 2018
Pierre111Hi! Do you mind sharing the output impedance of the GET, and the family of the DAC chip used? (ESS, WM, AKM)
Pierre111
413
Apr 21, 2018
U0900147Hi U. The output impedance is approximatively one ohm across the spectrum, I say approx because it's measured the old fashion way with a scope. We are using the Integrated DAC from the CSR8675 System on chip. people like to see dedicated DAC chip but our test showed very good performance using the DAC from the core chip since it's the Best Bluetooth chip on the market and everything is optimized for decoding a Bluetooth signal and it's differents dedicated CODECs. Personally as an electronic designer I believe more about the importance of the analog circuitry and amplification than the real benefit of oversampling a signal that as limited bandwith, but it's just me, in the end it's the end result as a whole that matters.
Jonathan-Le
165
Apr 21, 2018
Pierre111Hi Pierre, As a fellow Canadian, I love to support a small Canadian startup. Unfortunately, I recently brought a Samsung 9+ phone and it does not have AptX HD support, only Sony LDAC. I am going to hold out this time, so good luck to your endeavour.
Jonathan-LeJonathan-Le, does your fresh new Samsung support Bluetooth 5? the galaxy from last year did, not sure about the 9+, but my iPhone 8+ does.
As I’m sure you know as an Android user, my iPhone 8+ doesn’t support Apt-X (much less Apt-X HD). However, it does have Bluetooth 5.0, and so does my GET. Bluetooth’s advancements allow either a huge range boost (like, line of sight, up to 200 feet!), or double the data bandwidth.
From a user standpoint, what I’ve noticed so far is the GET sounds more full and properly amped than similar Bluetooth receivers from Creative Labs (E3, in fact I dont even use my E5 hardly anymore either). I’ve used it with my Sennheiser IE 80 S, PXC 480, But most often I use it around the house and in bed with my preproduction HD 58X Jubilee.
The sound quality is surprising given it‘s small size, which fits in the watch Pocket of jeans (the 5th pocket) or is “unclunky enough” that I have no qualms about clipping it to my shirt (and looping the excess down my shirt) or belt. I like that there are two positions you can screw the clip into, so you can have the clip on the right or the left side. The size makes it an excellent contrast to my FiiO X7 DAP, so I use the GET when I’m streaming from my iPhone or apple watch, at the gym or riding my bike, or if I’m walking in a city and I want to change tracks without showing my big phone.
I got the GET (from IndieGoGo, I think) about a month before going from my iPhone 6S (I was holding out because it still had a headphone jack) to the iPhone 8+, and the lightning dongle is still in the original packaging. The GET has been indispensable for me with my phone, and firmly part of my Every Day Carry.
Jamijam
2
Apr 21, 2018
Pierre111It's a great product, but may I make a couple of suggestions for v2 and my version of perfection. 1 3,5mm Jack on top not bottom of unit. 2. USB C 3.LDAC support.
Jamijam1. I’m afraid of how the clip would interfere with the jack. Sure, you could put a hole up there, but if the clip is wobbling against your headphone plug and possibly pushing it to an angle... I don’t think it’s worth changing. 2. Yes, I think USB-C is much more durable! 3. LDAC is nice, but as Apt-X (HD) is much more common and more devices adopt Bluetooth 5.0, LDAC isn’t as broadly a benefit.
Pierre111
413
Apr 21, 2018
EvshrugI personnaly always use it clipped to my collar and having the cable coming up would put much more strain to the cable connector because de weight of the cable create a force that is always in the opposite direction, I Guess if it's your pocket it could be more convenient to have the cable on top, but then again if Get is in your pocket, does it make a difference if it's upside down? I really agree on the other two tough, but it will be a new product of version
Pierre111Congrats on getting on Massdrop, though!
swn919
6
Apr 22, 2018
Pierre111hi Pierre111, is this device made in Canada ?
Pierre111
413
Apr 22, 2018
swn919Hi, Yes. The Electronics are Manufactured in the Montreal region, only the metal and plastic parts of the enclosure do come from Asia and the assembly of the final product, testing and quality control is made in our facilities at Bluewave in Montreal. That fully qualify as a made in Canada product
ajaxmike
0
Apr 26, 2018
EvshrugI read that LDAC will be bundled with Android in a future version. I understand LDAC performs better than aptx HD.
ajaxmikeLDAC has more potential bandwidth than your standard Bluetooth 4.2 aptx HD connection, yes. If a future version of Android supports it, we would have to buy new android devices because Google offers limited software upgrade ability. You also have to consider what you’re Sending over Bluetooth... high res music files stored on a MicroSD card? Yes, LDAC will be able to send more of that info and have less of a dull sound. Spotify doesn’t even offer a streaming option at AptX HD level, much less LDAC. TIDAL, I’m not sure.
Edit: TIDAL HIFI subscribers get higher bitrate files (up to 1,411 kbps transmission) than Spotify Premium (320kbps), and these sizes hold true for “offline” modes of downloaded songs. Tidal also offers a 320kbps streaming option at the same $9.99 price as Spotify Premium. Tidal HiFi streams over FLAC/ALAC, ”normal” Tidal streams over AAC, which is more advanced and better sounding than MP3.
LDAC sends up to 990 kbps, though more typically 660 kbps to maintain a strong connection. Bluetooth 5 can technically support up to 1400 kbps, though again longer range (hundreds of feet!) will reduce this figure to maintain a good connection. Bluetooth 5 is the best Bluetooth transmission technology I’ve seen yet, and the GET already supports Bluetooth 5.
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I would like LDAC too, just for potential compatibility. HOWEVER, I don’t have any other LDAC devices, and right now the Amp and DAC built into the GET already contributes to better sound than I used to expect from portable devices. Transmission speeds are only a part of the equation and there is debate on how much it contributes over quality components.
Sources used, for the curious: https://www.highya.com/tidal-hifi-reviews https://www.sony.net/Products/LDAC/ https://www.bluetooth.com/bluetooth-technology/bluetooth5/bluetooth5-paper http://www.ibtimes.com/bluetooth-50-heres-why-new-wireless-standard-matters-2383305 https://www.androidauthority.com/bluetooth-5-speed-range-762369/
Pierre111
413
Apr 26, 2018
EvshrugYou are correct. In our case when we developped GET LDAC was not available for Licensing. It is now. AptX HD stream s at 576 kbps and as you said LDAC is capable of more but in the real life it's not that much more. The question is, is this audible? bitrate is only part of the equation, AptX has a really good algorithm, much better than Mp3, lossy formats are not all created equal. A lossless file streamed trough AptX will sound better than compressed to MP3, even both are lossy formats. LDAC is great but time to market is not. It is not using the standard A2DP Bluetooth profile, There are no system on chip with reference firmware implemented , therefore you Have to add a processor chip and lot of developpment and the device become bulkier, more complicated, and more expensive. If more source supports it it might become worth it for a new product of our catalog, we'll take a close look at where it's going.
OneLove
2962
Jun 14, 2018
EvshrugThe new Fiio M7 has LDAC
Pierre111Indeed, and the transmission format is only part of the equation... the DAC and Amp in my GET always surprise me with my HD 650 and HD 58X Jubilee (prototype), sounds really good and quite an upgrade over the $10 Apple lightning dongle.
@OneLove Indeed. I have a FiiO X7 right now, and aptX still sounds good (wired connection to my AM2A amp module even better), but both DAPs cost more than the GET, are quite a bit larger, and don’t efficiently connect to my smartphone to stream over LTE cellular. I use the DAP on airplanes and by my bed, but the GET when I’m out for a walk or when I know I’m going to have a busy day with lots of errands. The GET is my “Make my headphones have Bluetooth!” converter and the quick way to connect audio to my phone, and it’s a good starter DAC/Amp as well for fullsized headphones.
AlanDixon
48
Dec 17, 2018
Pierre111OK from what you said the output impedance of the amp 1 ohm. Good! So according to the 1/8 rule, any headphone 8 ohms impedance or better should work reasonably well. Thus I am confused that you include and Impedance Adapter "designed for use with very sensitive headphones such as IEMs (in-ear monitors)." What impedance IEM's did you have in mind? So:
  1. Below what headphone impedance should I use the "Impedance Adapter"
  2. I have a pair of expensive 22 ohm headphones
  3. And I have a pair of expensive 35 ohm headphones
  4. Finally, out of curiously what is the hole beside the LED for?
Thanks!
AlanDixonThe hole next to the LED is the microphone opening!
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