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2. JJ Electronic - Wikipedia

   en.wikipedia.org/wiki/JJ_Electronic

   JJ Electronic was founded in 1993 by Jan Jurco, using the old Tesla machinery for the manufacture of vacuum tubes. Eventually, JJ Electronic started to produce its own line of vacuum tubes and electrolytic capacitors, mainly targeted at high-end audiophile and guitar amplifier applications.

3. Motorboating (electronics) - Wikipedia

   en.wikipedia.org/wiki/Motorboating_(electronics)

   Low frequency oscillations like motorboating indicate that some device or circuit with a large time constant is involved, such as the interstage coupling capacitors [6] or transformers, or the filter capacitors and supply transformer winding. [6] In vacuum tube circuits, a common cause is feedback through the plate power supply circuit.

4. Audio crossover - Wikipedia

   en.wikipedia.org/wiki/Audio_crossover

   Crossovers are used in loudspeaker cabinets, power amplifiers in consumer electronics (hi-fi, home cinema sound and car audio) and pro audio and musical instrument amplifier products. For the latter two markets, crossovers are used in bass amplifiers , keyboard amplifiers , bass and keyboard speaker enclosures and sound reinforcement system ...

5. The best car vacuums for avoiding that old car smell

   www.aol.com/best-car-vacuums-clean-pet-214442922...

   UPDATE: Aug. 2, 2023, 5:00 a.m. EDT This review has been updated with new car vacuums based on the author's hands-on testing. One of life’s most simple pleasures is the feeling of a freshly ...

6. Applications of capacitors - Wikipedia

   en.wikipedia.org/wiki/Applications_of_capacitors

   The capacitors act as a local reserve for the DC power source, and bypass AC currents from the power supply. This is used in car audio applications, when a stiffening capacitor compensates for the inductance and resistance of the leads to the lead-acid car battery.

7. Tube sound - Wikipedia

   en.wikipedia.org/wiki/Tube_sound

   Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. [1] At first, the concept of tube sound did not exist, because practically all electronic amplification of audio signals was done with vacuum tubes and other comparable ...