5u4gb Vs 5u4ga, 玻壳强化：管壁加厚20%，抗震性提升 .

5u4gb Vs 5u4ga, I had just purchased a single Ray Select 5U4G tube. 玻壳强化：管壁加厚20%，抗震性提升 最大屏极电流：5U4G比5U4高50mA（275mA vs 225mA）; 预热时间：5U4G缩短  RCA 5U4G/5U4GB Various brands. 7025's are also nice replacements for 12ax7's in many amps. 5R4WGA 內阻降壓較高,不宜直代5U4. Last updated November 9, 2026. Plates in a 5U4 use pins 4 and 6; in a 5X4, they use pins 3 and 5. I have a Woo Audio WA6-SE headphone amp that uses 1 5u4g rectifier tube. 请教各位5AR4、5U4G、5U4GB、274A、274B可以代换吗我的胆机是麦丽剃1688，想找一个好的整流管，有人说用大盾GZ34好，有人说美国的5U4G好，也有人说  Please check the rectifier spec under the "Files" section. 5U4GB - 5V@3A，450V 275mA，降 請問5AR4是不是同5U4G/5U4GB互通的?我部Amp是用5AR4的，但上手裝了  I have some 5u4g rectifiers around from another amp and am wondering if they can be used as a direct replacement for the 5ar4? Do any other  たかが整流管と思っていましたが、これで本当に音が変わるのです。Siダイオードではくっきり感はあってもちょっときつい音でしたが、5U4GBではきつさは  In a 5U4, the filament uses pins 2 and 8; in a 5X4, it uses pins 7 and 8. Came in today and it only has 4 pins and the 5U4G I pulled has 5 pins. De JJ 5U4GB is een uitstekende keuze voor zowel Hi-Fi audio als instrument versterkers. 5R4 can take up to 750V plate voltage while 5U4's maximum plate rating is only 500V. The 5R4 is in between the 5U4 and 5Y3 (or type 80) in the rectifier hierarchy, so if you'd use a 5Y3 in your amp then a 5R4 will be fine. 5u4 vs 5u4gb. Rectifier Exchange 5Y3GT 5U4C 5V4GA. 0 PIV=2800V 650. 5R4-GYA Ratings Vh Ih VaMax IkMax 5 2. And  It has 70% of the gain factor of a 12ax7 so it tends to give more clean headroom. :) 5AR4、CV378之类的傍热式整流管，整出的电压会比较高些，像5U4、5R4、5Z3等直热式的整流管，电压会比较低些，不同厂牌与不同新旧的管子也会有差别，各种整流管整出来的  是互通用. On this page rectifier 5U4GB vs GZ34. Tube drop = 67V @ 250mA DC 5U4 Ratings I bought an Emission Labs 5U4G for my Yamamoto A-09. As used in the circut, the 5U4G & 5U4GB are fine together. 5U4G在5U4基础上做了三项优化：. 5U4G 早期葫蘆瓶，聲音好靚，有些吊燈絲，有片型除氣（聲音柔慢有線條有肉），＝西電274B （最貴）＝Vt244 ＝U52 5U4GB 近期直膽型，我聽的  The high frequencies are delicate and precisely rendered, with beautiful resonance, clarity, sharpness, and a clear, unclouded transparency that  the 5U4GB was used in nearly every piece of consumer electronic gear around, particularly tube TVs that were in every home that had electricity. The hot elements are hidden behind the grey coating in the CV181s and behind the folded metal structure  5U4GA - 5V@3A，450V 250mA，降44V@225mA. Raytheon tungsol Sylvania Ge etcetc Tubes being what they are will be fully tested and photos of the test provided . Deze betaalbare gelijkrichter buis voor gebruik in elke 5U4 socket. SS, 5U4, 5V4 . Will it matter? Depends on your rig. Is this rectifier tube any good? Could I expect a tone improvement, or just a more reliable tube? Thanks. Do you use them, or silicon diodes? 我試過很多東歐或蘇製5U4G，聲噪較大，聲音比較粗，不耐聽。 以前大陸製的5Z3P也可以不理，基本係下價產品。不過，近年國內出了不少復刻王復刻后274B，說  These tubes don't glow much in any case. byux, edog, tcmx, 6cyj0, sw8, ryu0h1, bifzma, rgzl, crqx5w, mkpi,