가짜 TR과 클론 앰프보드로 앰프를 튜닝? / QUAD405-2 Clone MOD

I tried various things with the LJM QUAD405 board. I tried a little bit of decoupling between the output TR and OPAMP. 0. Completed QUAD405-2 / It seems cheaper than making a finished product. I think it would be good to buy it when it's on sale and tune it. Making it takes effort... https://s.click.aliexpress.com/e/_omD... 0. I bought the output TR from Eleparts. (SPTECH MJ21194) https://www.eleparts.co.kr/goods/view... 1. QUAD405 amplifier kit https://s.click.aliexpress.com/e/_olJ... 2. Case https://s.click.aliexpress.com/e/_onh... 3. Speaker protection circuit https://s.click.aliexpress.com/e/_oDu... 4. Trans https://s.click.aliexpress.com/e/_oDT... Output is 35-0-35 (35V or less), 12-0-12 (speaker protection circuit, preamp) 5. Speaker terminal https://s.click.aliexpress.com/e/_ond... 6. 3mm nut 10mm support | https://s.click.aliexpress.com/e/_oom... 6-1. 3mm Hexagon Socket Button Round Head Screws (M3x3mm, M3x6mm) | https://s.click.aliexpress.com/e/_oFQ... 7. Signal Wire | UL 2547 28AWG 2 Core Black | https://s.click.aliexpress.com/e/_oES... 7-1 Signal Wire | UL 2547 28AWG 1Core Signal Wire 1 + Shield | https://s.click.aliexpress.com/e/_oC0... 8. Power Line Outside | Silicone Wire | https://s.click.aliexpress.com/e/_okI... 9. Fork Terminal 1.5-3, 2.5-3 | https://s.click.aliexpress.com/e/_ooe... 11. 6.3mm Female Terminal, Shield | https://s.click.aliexpress.com/e/_oDT... 12. Shrink Tube Transparent | https://s.click.aliexpress.com/e/_o2B... Single size is 10pi 13. Audio Capacitor | https://powerfulsound.com/ Search for a suitable capacitor 14. Domestic resistor | https://www.ic114.com Use 1/4W, 1/2W resistor F class Ground noise breaker Noise breaker ready-made https://hoppesbrain.com/product/earth... Parts are purchased from ic114 1. https://www.ic114.com/WebSite/site/sc... Bridge diode 35A 2. https://www.ic114.com/WebSite/site/sc... Metallized Polyester Film0.1UF630VDC 3. https://www.ic114.com/WEBSITE/SITE/SC... 10 ohm 5W cement resistor 4. Lug pin https://www.ic114.com/WebSite/site/sc... 5. GBJ3510 bridge diode https://www.ic114.com/WEBSITE/SITE/SC... Machining tools 1. Clamp pliers SN-48B pliers | https://s.click.aliexpress.com/e/_onA... 2. Deburring tool (for burr management after hole machining) | https://s.click.aliexpress.com/e/_ols... 3. Drill tap M3 screw tap machining | https://s.click.aliexpress.com/e/_oFf... 4. Auto punch screw center marking | https://s.click.aliexpress.com/e/_ok5... 5. 1mm Giri | https://s.click.aliexpress.com/e/_o2c... 6. Sleeve Tool | https://s.click.aliexpress.com/e/_oDe... ------------------------------------------------------------------------------------------------------- FLYNUT is tagged with FLYNUT, and as part of the AliExpress Affiliate Marketing activities, a certain amount of commission is provided.