When I first turned on and saw the test, there was a certain feeling in the midst of it. It really happened. (With b, I ran out of stimulation)
Originally, when the speakers were sent in, they had already gone back and saw several comrades who had already submitted the test report and wrote very well. The younger brother couldn't resist the temperament and went back to the speakers. It was just a few days and they had time to come up with X77 is better than one
First, the price
Don’t talk about price
Lenovo 899
X77 (original price 1799, because the previous wave of clearance price to grab 999, now jd, Tmall has been off the shelf, Taobao occasionally sells the average price of 1299)
Second, the appearance
Here comes a wave of Lenovo speakers out of the box
Just beginning to see Shunfeng so wrapped I was assured
Feeling a bit wrong
Wow, crying out, there's nothing wrong with it
Reluctantly first waved
Look at my sucking dafa
After these two boxes were separated, the tragic memories began.
It is so torn, you two are together to say! ! ! ! !
The correct way to take it, I recall that it should be like this (but it's too late!!!!!)
Put aside a sad place, a family photo
The key is this little card (it seems like a bit)
Lenovo's test description (seems to be really paralyzed... Who can tell me how to adjust the picture in the test ah)
Let’s take a look at real life
Some holes above should be used to receive external sounds
Below the butt is an ID card
It seems like something evil has gone in.
Friction on a smooth head (a small egg here)
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Well, do not talk about serious things estimated to be beaten, below the speaker and x77 comparison chart
First power, you can see the x77's power is much larger than the Lenovo, but the Lenovo socket is a bit large, in some sockets may appear more cramped
Comparing up and down and left and right can see that x77 is bigger than Lenovo, from the hand test (because the electronic scale did not bring back) x77 is also a little more than Lenovo (where the Lenovo official figure weight can not only pull out x77 Of the map)
Third, connection and various methods of operation
I heard that Lenovo's connection was utterly ridiculed in the forum, but the Android phone I used was linked to it once. There was no problem.
Download Smart Lenovo app, click to start adding Lenovo smart audio
Finally there are 4 sounds to choose from
Adjusting the volume is just a friction and friction method, and the lighting will gradually surround the whole sound as the volume increases (still pretty good to see)
Shutdown is to press the button to show red
In front of the general introduction of the finished appearance, that since it is a smart speaker, naturally measuring two aspects: smart and speaker
The audio part first put on a blind test, which was Tsai Chin's "Fish" and the Eagles' "Hotle California".
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The first step in terms of intelligence is definitely the interface to the mobile phone.
It can be seen that what Lenovo wants to do is similar to Xiaomi’s ecosystem, while sony is just an audio system.
Click into the inside and found sony basically defeated, there is no any app, Lenovo here is associated with cool music, Himalayan, drops and other apps, and later look for more associated app.
Although sony was crushed by Lenovo in this regard, Lenovo’s own app has not done well enough.
I can't log in to the account on my cool side. It's equivalent to saving the previously saved song. It's very troublesome.
The Himalayan is such an interface. Sometimes listening to things is not a purpose. When you see what you like, you can also click and listen. Lenovo's operation deprives me of the pleasure of visiting. In addition, I have a Vip account in Himalayan. The contents inside cannot be obtained either.
Of course, we have to understand that, after all, Lenovo's app is just on the line, there will certainly be more optimization.
And the selling point of Lenovo's publicity
Indeed, audio only needs to be controlled by voice commands, and the accuracy of voice recognition is still very good.
And there is an advantage to see your own voice recording
When lying in bed or doing other things, just need to say: hello
It can help you to complete, listen to music, listen to Himalayan, memorandum (I like this function very much, sometimes I suddenly remember what I want to do, and I will help you write it down)
So in terms of intelligence, you want to be much better than X77
================================= I'm split line, don't copy me ========= ========================
Going back to what we said before, anyway, we still have to do our job well. Now we announce the next answer. Both songs are Lenovo's last x77.
From my personal sense of hearing, there are indeed subtle differences between the two, but the difference is not great (I am a fungus)
A word that does not meet the first parameter
It can be seen that the X77 is two 10W full-frequency units + a 20w woofer, Lenovo is a 5w tweeter + 10W woofer
There is indeed a gap from the stacking material, and the sense of hearing can also be expressed.
For example, among the drums, x77 will be a bit more transparent, while Lenovo is a bit boring.
At the time of the climax, the x77 felt able to burst, and Lenovo lacked an ignition.
Of course, I don't mean that Lenovo is not good. As I said earlier, those who talk about prices are juggling. Compared to the same price, Lenovo's sound quality should still exceed its price.
This round of the X77 is slightly better than Lenovo
In summary, if you want a smart sound, Lenovo must be your good choice!
How is the PCB assembled?
The assembly or manufacturing process of a printed circuit board (PCB) includes many steps. All these steps should go hand in hand to achieve good PCB assembly (PCBA). The synergy between one step and the previous step is very important. In addition to this, the input should receive feedback from the output, which makes it easier and more convenient to track and resolve any errors in the early stages. What steps are involved in the PCB assembly process?
The PCBA and manufacturing process involve many steps. If you want to obtain the best quality final product, follow these steps:
Step 1: Add solder paste: This is the initial stage of the assembly process. At this stage, solder paste is added to the component pads wherever soldering is required. Put the solder paste on the pad and paste it in the correct position with the help of the soldering screen. This screen is made of PCB files and has holes.
Step 2: Place the component: After adding the solder paste to the component pad, it is time to place the component. The PCB passes through a machine that precisely places these components on the pads. The tension provided by the solder paste holds the components in place.
Step 4: Wave soldering: In this step, the PCB is passed through a wave of molten solder. This will establish electrical connections between the solder, PCB pads and component leads.
Step 6: Testing: At this stage, the PCB assembly is completed and inspections are started to test the position of the components. This can be performed in two ways:
Manual: This kind of inspection is usually carried out for smaller components, and the number of components does not exceed one hundred.
Auto: Perform this check to check whether there are bad joints, wrong components, wrongly placed components, etc.
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