Youda Audio Co. Limited
| Payment Terms | Paypal, T/T, Western Union |
| Supply Ability | 1000pcs/month |
| Packaging Details | Standard box |
| Place of Origin: Guangdong | China (Mainland) |
| Function | Amiplifier tube |
| Type | Home Amplifier |
| MOQ | 1pair |
| Brand | Shuguang |
| Brand Name | Shuguang |
| Model Number | WE274B |
| Certification | CE/ROHS/ISO9001:2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | Paypal, T/T, Western Union | Supply Ability | 1000pcs/month |
| Packaging Details | Standard box | Place of Origin: Guangdong | China (Mainland) |
| Function | Amiplifier tube | Type | Home Amplifier |
| MOQ | 1pair | Brand | Shuguang |
| Brand Name | Shuguang | Model Number | WE274B |
| Certification | CE/ROHS/ISO9001:2008 | Place of Origin | China |
| High Light | hybrid tube amp ，guitar amp vacuum tubes | ||
Electronic Vacuum Tube shuguang WE274B Vacuum tubes 274B Audio HIF Valve Amplifier
| Psvane HIFI 274B | | Psvane WE274B | |
| Psvane HIFI 5U4G | | Shuguang WE274B | |
| Psvane T-II Premium 274B-TⅡ | | Shuguang HIFI 274B | |
274B rectifier tube
Tube type: Full-Wave Vacuum Rectifier Power-supply
Identical to 274B = CV684
Normally replaceable-slightly different:5R4G
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Filament Vf 5 Volts / If 2 Ampere / Direct /
274B is very similar with 5U4G and 5Z3P, which can be replaced by each other in many cases. In some cases, you may be able to use 274B to replace a 5AR4. Please always check with your amplifier about tube substitution in case you accidentally damage your precious amplifier or the newly acquired tube. Such damage is NOT covered by tube warranty and tube cannot be replaced.
Heater
Uf………………5V
If…………… 2.5A
Maximum Rating
anode inverse peak voltage……………1550V
anode peak current ………750mA
Recommend working condition
Anode supply voltage 2×500V
Each arm impedance 75Ω
load impedance 2000Ω
Filter capacitor 4μF
Rectifier current ≧220mA
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2007
Total Annual:
2 Million-5 Million
Employee Number:
100~120
Ecer Certification：
Active Member
Established in 2007 as an Electronic parts supplier, we start supplying NOS tubes to tube AMP factories since 2010. Nowadays, we are also supplying new tubes and other hifi DIY parts to tube amplifier factories and audiophiles. Our production line: 1. Stereo Vacuu... Established in 2007 as an Electronic parts supplier, we start supplying NOS tubes to tube AMP factories since 2010. Nowadays, we are also supplying new tubes and other hifi DIY parts to tube amplifier factories and audiophiles. Our production line: 1. Stereo Vacuu...
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