kazumasamurai https://blog.hatena.ne.jp/kazumasamurai/ kazumasamurai’s diary https://kazumasamurai.hatenadiary.org/ I will write about more details on opamp based on Kaneda’s #168 preamp, and its modification.The original amplifier consists of discrete OPAmp (described later), -20dB attenuator (2 registers) at input, and feedback circuit (50KR volume (A-curve) plus 1KR). The output impedance of the OPAmp is very … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazumasamurai.hatenadiary.org%2Fentry%2F20070513" title="more on Kaneda #168 - kazumasamurai’s diary" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2007-05-13 00:00:00 rich https://kazumasamurai.hatenadiary.org/entry/20070513 1.0 100%