It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 1 rftlys ea1a. Its followed by an in-depth review of each rftlys ea1a. Hopefully, once you are done reading this article, you will be well informed about rftlys ea1a and be able to select the right rftlys ea1a for you without any hesitations.
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1. RFTLYS EA1A Headphone Amplifier & Integrated Amp Wireless Bluetooth EL34 Tube Class A Single-Ended (Black)
Feature
Warm reminder: You should take about 100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.So during the first 100h use time the sound maybe is not the best,you can also use your own run-in method.Easy to install plug-in vacuum tube protective cover.
Vacuum tube: EL34x2, 6N1x2, 12AX7x1
The input voltage amplification stage is served by an amplifying triode electron tube, and a two-stage common cathode resistance RC coupling amplifier is combined. The two-stage voltage gain can reach more than 40dB before the negative feedback is added, and can greatly increase the input audio signal amplitude.
In order to improve the input voltage amplifier stage electrical performance. Reduce distortion, broaden the frequency response, and add current feedback at the cathode of the two-stage amplifier. At the same time, inter-stage negative feedback is set between the input tube cathode and the power amplifier output.
