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Quick Details

Item Type: Laser Flashlight
Model Number: LJM-DIY-KIT-NAP250*2-MOD
Brand Name: Q-BAIHE
Unit Type: piece
Package Size: 15cm x 10cm x 5cm (5.91in x 3.94in x 1.97in)
Package Weight: 0.13kg (0.29lb.)

Specifications

DIY Kits for Power Amplifier Board NAIM NAP250 MOD Stereo Channel 2 PCS

 
 
Details:

NAP250 MOD version of the MINI circuit board design, reducing the length of the PCB wiring, but also reduce the impact of PCB wiring resistance.
PCB copper wire shorter, the smaller the resistance, the performance will be improved.
In addition, NAP250 MOD version of the original modified some of the BUG, the temperature compensation tube and high-power tube installed in the same radiator.
So that NAP250 MOD can work in the CLASS AB, to avoid the cross-distortion and several other obvious BUG.
So NAP250 MOD effect is better than the original copy version, cost-effective program.
Two-channel 2-plate weight of 100 grams, not the weight of packaging.


Working parameters:
Power supply voltage DC + - 15V to DC + - 40V.
Output power = RMS 80W 8R (DC + - 40V)
Quiescent Current Recommended: Voltage at both ends of the cement resistor = 1.5 MV-3MV
The current is about 10-20 MA.
THD + N = 0.001% -0.03% (20HZ-20KHZ 5W-30W 8OHM Audio Precision 2 TEST)

Data:

 Frequency response: 20HZ -0.04DB, 20KHZ -0.34 DB
                  15HZ -0.05DB, 30K HZ -52DB.
Measurement data: downloadable. Audio Precision 2 TEST

FFT Audio Precision 2 TEST

Second, third, harmonic distortion map:


Output signal - THD + N Audio Precision 2 TEST test chart


Package:
1 x DIY Kits for Power Amplifier Board NAIM NAP250 MOD Stereo Channel 2 PCS

Shipping & Delivery

We ship to international via China Post Airmail or Hong Kong Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please email your postal code for shipping quote. International customers may experience delays by customs or national post providers. Review your duty-free limits. Please let us know before payment if you need split shipment.

 
Time of Delivery
The time to ship to international via China Post Airmail or Hong Kong Post Airmail quite depends on diffrent desination of the world, it is also subject to change due to the local weather conditions, postal policy and custom checking. Base on the postal Air mail rules and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days.
 
Returns & Replacements & Repair
We accept returns & replacements within 7 days from the day the customer receive the products, please make first contact within 7 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.