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Product details
VU Meter DB Meter Paive Driver Board
For Tube/Transistor/Cla D/BTL Power Amplifier
Description:
VU meter/dB meter/power meter paive driver board, stereo, left and right channels are completely independent, with compreion function, suitable for tube power amplifier, transistor power amplifier, cla D power amplifier,L power amplifier, etc.
The driver board does not require a power supply and is easy to install, but because it has no signal amplification function, it is suitable for tube amplifiers and transistor amplifiers with larger output power. Because the left and right channels are completely independent, it is also suitable forL output power amplifiers.
Features:
1. The input part is changed to voltage doubler rectification, which improves the sensitivity of the driver board and has a wider application range.
2. The meter head protection diode is installed to protect the pointer meter head coil from overvoltage and prevent the meter head from being burnt.
3. The input terminal is connected with two resistors in series, and a sensitivity selection switch can be added (use a switch to short-circuit a resistor).
4. Adding a damping adjustment circuit can make some low-end meter pointers swing softer, and the effect is more beautiful.
PCB Size: 65mm x 45mm
Recommended to match the parameters of the level meter/power meter: internal resistance 650s, sensitivity 0.5mA.
Sensitivity test of the drive board: Input 1KHz sine wave signal, 0.4V, and the pointer of the meter head is at +5db. At this time, the corresponding power is 0.02W (8 speaker).
Packing List:
1pcs x VU Meter Paive Driver Board
About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer).
Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .
Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.
Specifications
Key Features
- Certification:NONE
- Compatible Audio & Video Equipment Style:Professional Audio Equipment
- Origin:Mainland China
- Board Size:65mm x 45mm
What’s in the box
Specifications
- SKU: GE840EA2QRSO9NAFAMZ
- Model: TIAyinshipinthpj3973
- Size (L x W x H cm): 10*10*10
- Weight (kg): 0.3
- Main Material: PVC
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