Solved Are CRT Tubes Tied To A Specific Voltage? (either 110V or 240V) - NO THEY ARE NOT
- Thread starter eliotcole
- Start date
thegreathopper
Active member
Don’t feed the troll, it’s quite painful to read this thread.
CMYKhazi-Dan
Saikyo Style 💪
It may have been done before and might not be the best version but I’m so thankful she is here to sort this all out 😍 Scientifical is the way 💪🧜♀️
Vacuum tube - Wikipedia
That link seems to say that tubes for radios can be anything ... like 2V, 4V, 6V, 100V, 110V, or 240V.
But I didn't even know that radio's used electronny tube things ... so ... are radios secretly making pictures?
Anyway, thanks for posting it ... I guess if the radio tubes are the same as CRT tubes then it's more proof that it does not matter what voltage is sent into the CRT tube.
Vacuum tube - Wikipedia
en.wikipedia.org
But I didn't even know that radio's used electronny tube things ... so ... are radios secretly making pictures?
Anyway, thanks for posting it ... I guess if the radio tubes are the same as CRT tubes then it's more proof that it does not matter what voltage is sent into the CRT tube.
chatGPT
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Is the voltage in kv in a high voltage transformer from a TV or computer monitor important and must be appropriate for the crt tube it is connected to?
Yes, the high voltage in kilovolts (kV) generated by a transformer in a TV or computer monitor is *absolutely critical* and must be precisely matched to the CRT (cathode-ray tube) it’s connected to. Here's why:
- **Voltage Matching:** CRTs require a specific high voltage—often in the range of 15 to 30 kV depending on the size and design of the display—to accelerate electrons toward the screen. If the voltage is *too low*, the image may be dim or not appear at all. If it’s *too high*, it can damage the CRT or surrounding circuitry.
- **Insulation and Safety:** The CRT and its housing are designed with insulation that matches the expected voltage. Using a transformer with excessive output can lead to arcing, insulation breakdown, or even dangerous electric shock hazards.
- **Component Compatibility:** The flyback transformer (the part that usually generates this high voltage) works in tandem with other components like the horizontal output transistor and yoke. An incorrect transformer can cause overloads, poor performance, or immediate hardware failure.
If you’re experimenting or repairing CRT equipment, matching the transformer voltage and specifications exactly is crucial—not just for image quality, but for safety and longevity. Curious how flyback transformers create such high voltages with just a few components? It's actually pretty clever electronics magic. Want to dive into it?
----------------
Is the voltage in kv in a high voltage transformer from a TV or computer monitor important and must be appropriate for the crt tube it is connected to?
Yes, the high voltage in kilovolts (kV) generated by a transformer in a TV or computer monitor is *absolutely critical* and must be precisely matched to the CRT (cathode-ray tube) it’s connected to. Here's why:
- **Voltage Matching:** CRTs require a specific high voltage—often in the range of 15 to 30 kV depending on the size and design of the display—to accelerate electrons toward the screen. If the voltage is *too low*, the image may be dim or not appear at all. If it’s *too high*, it can damage the CRT or surrounding circuitry.
- **Insulation and Safety:** The CRT and its housing are designed with insulation that matches the expected voltage. Using a transformer with excessive output can lead to arcing, insulation breakdown, or even dangerous electric shock hazards.
- **Component Compatibility:** The flyback transformer (the part that usually generates this high voltage) works in tandem with other components like the horizontal output transistor and yoke. An incorrect transformer can cause overloads, poor performance, or immediate hardware failure.
If you’re experimenting or repairing CRT equipment, matching the transformer voltage and specifications exactly is crucial—not just for image quality, but for safety and longevity. Curious how flyback transformers create such high voltages with just a few components? It's actually pretty clever electronics magic. Want to dive into it?
Do those relate to the voltage required by the CRT tube?
Anyone going to mention isolation transformer requirements?
Retroman839
Senior Member
Rupert had a 5v Sony mini disk player that required a large pair of head phones and took 6 aaa size batteries , It would last a day or two of pleasurable listing at a moderate volume,
But suzzi had a sharp 777 potable Hifi system with built in 6” sub woofers …. 12v
Requiring 12x massive Duracell
“Do all speakers require the same voltage. “. Asked Rupert
Suzzi couldn’t hear Rupert she was getting down to funky beats and enjoying the bass.
big speakers = bigger volts
Little speaker = little volts
Suzzi has impaired hearing now
But she did have a good time dancing at the disco.
Suzzi before & after the disco
Voltage is important, always use correct voltage.
Suzzi C , R , T
Crypt dwelling Reptialin shape shifting Transalvanians.
The bigger they come the harder they fall ! Kill em all !
Death by stereo
More volts more sparks ,which helps knock out the crypt dwellers…
Also super soakers with holy water works well!
Warning ( never mix with electricity )
It’s the amp that will kill you !
VAMPS
But suzzi had a sharp 777 potable Hifi system with built in 6” sub woofers …. 12v
Requiring 12x massive Duracell
“Do all speakers require the same voltage. “. Asked Rupert
Suzzi couldn’t hear Rupert she was getting down to funky beats and enjoying the bass.
big speakers = bigger volts
Little speaker = little volts
Suzzi has impaired hearing now
But she did have a good time dancing at the disco.
Suzzi before & after the disco
Voltage is important, always use correct voltage.
Suzzi C , R , T
Crypt dwelling Reptialin shape shifting Transalvanians.
The bigger they come the harder they fall ! Kill em all !
Death by stereo
More volts more sparks ,which helps knock out the crypt dwellers…
Also super soakers with holy water works well!
Warning ( never mix with electricity )
It’s the amp that will kill you !
VAMPS
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Retroman839
Senior Member
New nosferatu looks great
Last edited:
Retroman839
Senior Member
That’s what she said!🤣
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ChatGPT:
Without Context:
"Are CRT tubes tied to a specific voltage? (either 110V or 240V)"
This is a bit unclear because it doesn’t say what kind of voltage you're talking about or why you're asking. Someone might wonder:
With Context (Better Version):
"I have a CRT monitor from the US that runs on 110V, and I’m wondering if I can use the same tube in a European monitor that runs on 240V. Are the CRT tubes themselves tied to the mains voltage, or does that just affect the power supply?"
Now it’s much clearer! You're asking:
"The CRT tube itself doesn’t care about mains voltage—it just needs the correct internal voltages (like heater, focus, and anode), which are provided by the power supply. As long as the other parts match, the tube can be reused."
Takeaway:
Adding context shows what you're doing and why you’re asking—and that makes your question easier to understand and answer well.
Without Context:
"Are CRT tubes tied to a specific voltage? (either 110V or 240V)"
This is a bit unclear because it doesn’t say what kind of voltage you're talking about or why you're asking. Someone might wonder:
- Do you mean the power input to the device?
- Are you asking about the internal voltages the CRT needs to run?
- Are you trying to swap a CRT between regions with different wall voltage?
With Context (Better Version):
"I have a CRT monitor from the US that runs on 110V, and I’m wondering if I can use the same tube in a European monitor that runs on 240V. Are the CRT tubes themselves tied to the mains voltage, or does that just affect the power supply?"
Now it’s much clearer! You're asking:
- About using a CRT tube across different regions
- If the tube depends on wall voltage, or if it's the electronics around it
"The CRT tube itself doesn’t care about mains voltage—it just needs the correct internal voltages (like heater, focus, and anode), which are provided by the power supply. As long as the other parts match, the tube can be reused."
Takeaway:
Adding context shows what you're doing and why you’re asking—and that makes your question easier to understand and answer well.
Oh, there's no context, I'd just like to know if there is any reason that a given CRT tube requires a specific voltage ... if a CRT tube is not tied to a specific voltage, or it is an 'it depends' answer, then that makes the answer to the question "Yes" ... if not, then "No"