Zhao Shanhai discovered that the larger the speaker, the quieter the sound, while the smaller the speaker, the sharper and more piercing the sound becomes when amplified.
This puzzled him, and he was so worried that he wanted to pull his hair out, only to find that he didn't have much left, which made him even more reluctant to part with it.
If he were to consult an appliance repairman, he would be told that the impedance and power of the speaker are related to the source of the playback.
In a loudspeaker, the watts refer to the rated power, expressed in watts (W), and are usually referred to as "W" or "W".
The speaker's power must be equal to or greater than its output power to prevent it from burning out. A radio's output power is definitely very low. If you use a large speaker, the power output certainly won't be enough to power it. This is also why he didn't understand it.
Speakers typically have a rating of ohms and watts to match the amplifier's power output. To achieve a louder sound, a higher-powered amplifier or dedicated power unit is needed. Of course, there are also speakers with the same power rating, but these are less common.
Zhao Shanhai didn't understand these things, so he took a 4-inch speaker and decided to make a batch to try it out. Anyway, the sound from this 4-inch speaker was just right when he connected it for the first time.
This is an invisible pressure that pushes someone who knows nothing into the abyss.
Two days later, in the morning.
Xing Baohua is quite satisfied with the calculator he designed. The sketch on the draft paper, although a bit rough, still shows its outline.
Liu Quan soldered the motherboard for the audio amplifier, but Xing Baohua was too busy to write the code and install it yet. The chip had to be borrowed to make a calculator.
At the same time, I called Zhang Xuebao and asked him to mail a few more chips. I also wired him about a hundred yuan to the address he gave me.
Now Xing Baohua was completely broke. Fortunately, the foreigners hadn't left, so he could indirectly get some of their expenses reimbursed.
Xing Baohua wrote a three-page feasibility report for the project, plus two pages of attached sketches. There was also a budget for the model sample, a hefty three thousand yuan.
Furthermore, a sentence was added at the end: "If the R&D budget is insufficient, it can be doubled."
Research and development is expensive; every step is costly. For example, building a mold for the plastic used in a calculator costs a lot of money. The materials used also need to be carefully selected and undergo continuous testing, such as drop resistance and anti-aging properties, which also adds up to a significant amount of money.
Xing Baohua genuinely wanted to make a high-quality calculator. The factory's finance department had a Casio calculator. It looked a bit large and bulky, but the quality was excellent.
Xing Baohua wanted to produce calculators that were lightweight, with a superior feel and quality, along with a streamlined design. He believed this would allow them to quickly penetrate the market, both domestically and internationally.
Xing Baohua put all the materials in a faux leather bag and prepared to go to the factory. Unexpectedly, someone appeared before him.
Sun Changjie
They initially threatened to smash Xing Baohua's shop if he sold the audio system for less than three thousand yuan.
Xing Baohua had initially guessed that the other party was a second-generation rich kid. As for what kind of second-generation rich kid, she hadn't inquired. Now that the other party had come to see her, she would go back and ask Su Ya about his background, since the two knew each other.
"Why are you here?" Xing Baohua asked.
"I'm buying a stereo from you." Sun Changjie was carrying a bag that looked to be of good quality; it was probably genuine leather, much better looking than the artificial leather ones his factory gave him.
After saying that, he placed the bag on Xing Baohua's workbench, and inside were three bundles of "Big Unity" (a type of traditional Chinese currency).
Xing Baohua glanced inside and said, "We're late."
"I know, I've heard about it. But you're still amazing! You managed to sell it for thirty thousand US dollars." Sun Changjie said with a slight smile.
“Not 30,000, but you’ll get about 20,000 RMB. How did you know?” Xing Baohua asked.
"After I heard about it, I asked around at the Foreign Affairs Office. Anyway, I still admire you. Build me another one. Still the same price you mentioned before, but don't rip me off like the foreigners do," Sun Changjie said.
“That will take some time. I don’t have any chips on hand right now; I need the goods to arrive before I can get them,” Xing Baohua said, picking up the bag Sun Changjie had brought and placing it on his leg under his chair.
Seeing his actions, Sun Changjie asked with a smile, "Aren't you going to order?"
"I trust you quite a bit. I'll take the money now, leave your phone number, and I'll contact you when it's done. You can come pick it up yourself. Shipping isn't included."
Free shipping?
"It means package and mail it. We don't have the time to package and mail it for you; you'll have to test it at our store and then pick it up yourself," Xing Baohua explained.
Sun Changjie nodded in agreement. Seeing a pen and paper on Xing Baohua's table, he picked them up, wrote down a phone number, and said, "Call and say you're looking for Sun Changjie. If I'm not here, just leave a message."
"Alright, take care on your way home?" Xing Baohua said, extending his hand in a gesture of invitation.
"Three thousand? That's a big client, after all! Not only did they not invite me to sit down and have a drink of water, but they also chased me away! Do you know how polite I am when I deposit three thousand at the bank?"
"They have to consider the person. Who are you? For ordinary people, it's a matter of whether they save it or not. Do you know who I'm talking about?"
"Ah! I don't know!"
"Go back and think about it. I have other things to do. Don't bother seeing me out," Xing Baohua said, urging him to leave again.
Sun Changjie once again displayed his signature 45-degree tilt of his head back, snorted, stood up, and left.
After the other person left, Xing Baohua picked up her bag. She remarked how generous the other person was, not even wanting the bag.
Carrying his bag, he rode Liu Quan's bicycle home instead of going to the bank. He left the money at home first, then rode his bicycle to the factory.
Factory Director Li wasn't there, so I went to check on Su Ya in her office, but she wasn't there either. I wonder where that girl Su Ya went.
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