It finally arrived after being out of stock for a few days. It is a portable amp that is worth DIY!
The age of the Smurfs has arrived,No noise! It''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s worth making~Currently, the black gold plate
All SMD parts have been welded by machine, please
Only need welding support accessories, default 5532DD op amp, OPA2134 can be upgraded
Dual battery design!
2020 upgraded Smurf amp kit,You need to assemble it yourself!Available in silver and black housing. The new version optimizes and upgrades the power supply circuit and audio capacitors, using German WIMA, other components have also been improved, and the sound quality is better.No noise, Rich in sound details
Mainly high cost performance! The bottom noise is clean! Dual power supply, you can adjust the power supply voltage by yourself
battery capacity:1300mahlithium polymer battery
Standby time: 10-16 hours,Please select parts or finished products according to your hands-on ability! !
The picture below shows that the old version is out of stock now!
Design Features:
Use USB data cable for charging, built-in professional USB charging circuit, the battery is more stable, our custom-made 1100MAH lithium polymer battery, the cost is very high, and the performance is good, using a special boost chip, the amp circuit uses each province 1 op amp. The routing has been optimized many times without any noise! Quiet like no power on!
Sound characteristics:
The NE5532 cheap and neutral voice op amp is used by default. Although it is cheap, the 10,000 to 20,000 machines can still be used. You can upgrade OPA2604, LME49720, LM4562, OP275 and other models according to your preference to experience different sound performance
Design highlights:
1: Use the shielded headphone socket of Foxconn exported to foreign countries, the volume is turned on the maximum and there is no bottom noise.
2: Use a specially customized pure aluminum brushed metal shell, which is effectively shielded and beautiful, about the size of a cigarette box, a real portable amp!
3: The specially customized lithium polymer battery uses ultra-long life varieties. better quality
4: The amplifier circuit is calibrated many times, the sound is neutral, and there is no problem in pushing 600 ohms.
Use USB data cable for charging, built-in professional USB charging circuit, the battery is more stable, our custom-made 1100MAH lithium polymer battery, the cost is very high, and the performance is good, using a special boost chip, the amp circuit uses each province 1 op amp. The routing has been optimized many times without any noise! Quiet like no power on!