Drakon
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Drakon@Gearlos @Gearlos,it depends on your output power. For these measurements, I used low power signal (less than 10W), who cares about THD on full power, Buddy? )

Drakon 20/11/2017
THD is 0.003% ( -88 dBc ) some problems with amplifier ratio on 7 kHz and 9 kHz, and problems with tuning. But I really think that this is is a very cool kit, I like it!
AC20V-28V LM3886+NE5532 68W+68W 4-8 Ohm Amp Power Amplifier Board
US$30.29 US$38.92
1
Comments (2)
Drakon 03/06/2018
Impossible to use it to measure something. Very bad quality.
Digital Caliper LCD Stainless Electronic Ruler Micrometer Measuring 0-6inch 150mm
US$14.30 US$19.07
2
Recommendations
Comments (1)
Drakon 03/06/2018
Impossible to use it to measure something. Very bad quality.
6-inch 150mm Electronic Digital Caliper Ruler Carbon Fiber Composite Vernier
US$9.69 US$11.99
0
Recommendations
Comments (1)
Drakon 24/01/2018
Quality is awesome. Maximum capacity at this moment. The maximal discharge current is not big but it is perfect for mobile devices.
2PCS NCR18650B 3400mAh 3.7V Unprotected Pointed Head Rechargeable Li-ion Battery
US$14.12 US$21.99
0
Recommendations
Comments (0)

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