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| [#21] Sunaudio 2A3 To convert from 2A3 to 300B, the cheapest way is to change the 750 ohms cathode resistor to 1K, connect plate to 3.5K instead of 2.5K tapping and drop the 2 X 6.3V filament voltage to 2 X 5V with two 1.2 ohm resistors. 可以叫陳先生做一個"啪"制就可以玩2A3and300B Ip. |
ecc803s 正式會員61.xxx.xxx.87 |
2008-05-25 13:33 | |
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| [#22] Sunaudio 2A3 Thanks ecc803s,1derful & supera. I am used 2A3 now and want change to 300B only,I do not need used 2A3 & 300B bouth.  |
ngalan9899 正式會員 221.xxx.xxx.40 |
2008-05-25 18:32 |
| [#23] Sunaudio 2A3 ngalan兄:那你將會錯失欣賞其中一隻靚う瑣鷛|. 我很喜歡300B的聲音但又想試試PX25的機會所以 加了一個"啪"制(4V燈絲,550K陰極電阻)就可以互換. 哈哈! happy listening! Ip. |
ecc803s 正式會員 61.xxx.xxx.87 |
2008-05-25 21:06 |
| [#24] Sunaudio 2A3 う瑣鷛=う瑭n音 Sorry |
ecc803s 正式會員 61.xxx.xxx.87 |
2008-05-25 21:38 |
| [#25] Sunaudio 2A3 う瑣鷛=う綾音 |
ecc803s 正式會員 61.xxx.xxx.87 |
2008-05-25 21:40 |
| [#26] Sunaudio 2A3 Sun 300B  |
1derful 正式會員 219.xxx.xxx.202 |
2008-05-25 22:37 |
| [#27] Sunaudio 2A3 AN Quest  |
1derful 正式會員 219.xxx.xxx.202 |
2008-05-25 22:48 |
| [#28] Sunaudio 2A3 Thank you all brothers! |
ngalan9899 正式會員 221.xxx.xxx.75 |
2008-06-01 19:28 |
| [#29] Sunaudio 2A3 Any good speaker can match it well (apart from Lowther)? |
micromegamah 正式會員 59.xxx.xxx.42 |
2008-06-02 00:37 |
| [#30] Sunaudio 2A3 Vintage Tannoy 15" Red is a good choice, I think. |
albertino 正式會員 218.xxx.xxx.36 |
2008-06-02 14:43 |
| [#31] Sunaudio 2A3 my 2A3 this one used for over arround 5 years lu (I have two of it)  |
panadol-01 正式會員 219.xxx.xxx.254 |
2008-07-12 13:13 |
| [#32] Sunaudio 2A3 I'm also have one and have used for 5 years. I find the china 274b is very good to used as rectifier tube in it. |
leo03 正式會員 202.xxx.xxx.98 |
2008-07-12 20:47 |
| [#33] Sunaudio 2A3 Mine is pushing a pair of Triangle, very musical. |
letsrock 正式會員 219.xxx.xxx.120 |
2008-07-12 23:16 |
| [#34] Sunaudio 2A3 i am pushing a pair of B&W 803 and I using Kenrad of the 5U4G |
panadol-01 正式會員 219.xxx.xxx.254 |
2008-07-16 01:16 |
| [#35] : Sunaudio 2A3 請問各大哥, Sunaudio 2A3其中的6SN7,想轉用ECC33,要怎樣改法? 謝謝! |
ngalan9899 正式會員 221.xxx.xxx.55 |
2008-08-16 00:38 |
| [#36] : Sunaudio 2A3 直插就得！ |
Richards 正式會員 219.xxx.xxx.47 |
2008-08-16 17:53 |
| [#37] : Sunaudio 2A3 Hi Panadol, your system is very good indeed. The 2A3 is just incredible and matches very well with the Conrad Johnson CT5 preamp and 803 speaker!  |
simcity 正式會員 219.xxx.xxx.56 |
2008-08-16 19:32 |
| [#38] : Sunaudio 2A3 Brother Richards,直插就得！ 直插就係唔得,唔知點解沙聲. |
ngalan9899 正式會員 221.xxx.xxx.164 |
2008-08-16 23:09 |
| [#39] : Sunaudio 2A3 Good as the Sun Audio 2A3 is, I can hear big improvement in air and richness driving my 3/5A using Audionote Quest 300B, still 2A3 is a fantastic amp considering its price and ability, if you do not spend more it is hard to beat, I am surprise that it can even drive B & W 803 though |
kitlam 正式會員 203.xxx.xxx.5 |
2008-08-17 10:39 |
| [#40] : Sunaudio 2A3 請問各大哥, Sunaudio 2A3其中的6SN7,想轉用ECC33,要怎樣改法? 謝謝! |
ngalan9899 正式會員 221.xxx.xxx.87 |
2008-08-17 11:21 |
