6p16 courage amplifier ----- 6p16 Power amplifier

6p16 courage amplifier, 6p16 Power amplifier Keywords: 6p16 courage Music fever under the digital set of top box Currently in some large and medium-sized cities in our country, digital TV systems are widely opened, and there are digital broadcast music programs. Most TVs are not difficult to replay high quality images, but to hear high quality sounds, the power amplifiers and speakers in the TV seem to be difficult to achieve. To this end, the author makes a small power electronic tube sound amplifier (circuit see Figure 1) and a pair of speakers using high-quality speakers, placed on both sides of the TV, greatly enhanced the effect of listening to music programs. Small power (actually volume is not small) uses the tube 3A5 to enlarge the pre-stage voltage, push 6P14 as a power output. 6p14 On the sound quality is that most power tubes cannot match, and the only output power is slightly smaller. Since the parameters of the same tubes are large, they should be paired when used. In Figure 1, the selection of each component used is strictly tested and repeatedly adjusted by the pen, which is not easy to change, otherwise it may affect the sound quality. The power transformer and output transformer use the products of Guangxi Yulin "Bao Tong" brand. The power transformer model is 80WB, the output transformer is 6.5 watts, and it is best to test the pairing at the time of purchase. Filter electrolytic capacitors are Philip Blue Hexagonal electrolytic capacitors, capacity 1OOμF to 220μF. The oil immersion capacitor is a canned oil dipping capacitor in a US can, and the capacity is about 20μF, and the pre-stage is slightly 8μF. The CBB capacitor is an American APC or EC film capacitor, the resistor is a US Dale military resistance or domestic red metal film resistance. This amplifier circuit is not complicated, and the negative feedback applied is also shallow, and the power supply is completed to ensure the quality of the sound. The speaker uses a 6.5-inch bookshelf box, and the cabinet is used for wood finished products. The front barrier is preferably inclined, and the spread of the sound can make the sound of the sound, as if the speaker does not exist. The treble horn is selected for the SS1.11 silk gravary of the SS1.11, the medium and low-sound use Danish VIFA models C17WG-69-08 sponge-adhesive paper pot horn. The divider is self-made, see Figure 2. Trevery Split Capacity uses French Sony (sweet tones) and German ERO (tone ", medium and low sound resistance anti-correction capacitors can use ordinary film capacitance. The inductor coil is a finished product in an oxygen-free copper wire. The speaker consisting of these two speakers and the two-point frequency instruments, the sound is beautiful, the details are rich, listening to music is first class.

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