Youda Audio Co. Limited
| Payment Terms | Paypal, T/T, Western Union |
| Supply Ability | 1000pcs/month |
| Packaging Details | Standard box |
| Type | Audio Tube |
| Model | 300B-T MKII |
| Brand | PSVANE |
| Application | tube amplifier |
| Socket | 4 pins |
| Material | Glass |
| Brand Name | PSVANE |
| Model Number | 300B-T MKII |
| Certification | Rhos |
| 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 | Type | Audio Tube |
| Model | 300B-T MKII | Brand | PSVANE |
| Application | tube amplifier | Socket | 4 pins |
| Material | Glass | Brand Name | PSVANE |
| Model Number | 300B-T MKII | Certification | Rhos |
| Place of Origin | China | ||
| High Light | vacuum tube amplifier kit ，speaker vacuum tube | ||
Matched Pair PSVANE 300B-T 300B Mark II Classic Vacuum Tube 300B Stereo Vacuum Tubes
300B-TII
TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself.
300B-TII is directly-heated type cathode triode, used as class A1. In audio amplifier it suits for the condition that the output power is 10W.
Heater
Uf(DC)………………5V
If(DC) …………… 1.2A
Maximum Rating
Ua……………480V
Pa………40W
Ik
with cathode bias………………100 mA
with fixed bias……………70 mA
Direct Interelectrode Capacitances
input……………9PF
output……………4.3PF
grid to plate……………15PF
Static parameter
Ua……………………300V
-Ug………………… 60V
Ia……………………60mA
Gm……………………5.5mA/V
ri……………………0.7 KΩ
u ……………………3.85
Pout…………………6.6W
typical workong parameter
aodio amplifier
class A1
Ua -Ug Ia RL Pout 2nd
V V mA Ω W db
200 42 30 2000 3 20
200 39 40 2500 2.6 26
250 55 30 2000 4.9 18
250 52 40 3000 4.0 26
250 50 50 2500 4.4 26
250 48 60 2000 4.7 26
250 48 60 2700 4.1 30
250 45 80 1500 5.0 26
300 65 40 2500 6.7 20
300 63 50 2000 7.2 21
300 63 50 3000 6.1 26
300 61 60 2400 6.6 26
300 58 80 1700 7.5 26
350 76 50 3600 7.8 26
350 74 60 2000 10.2 21
350 74 60 3000 8.3 26
350 74 60 4000 7.0 30
350 71 80 2200 9.6 26
400 91 40 5000 8.4 26
400 89 50 1000 11.5 21
400 89 50 4000 9.4 25
400 87 60 3500 10.5 26
400 84 80 2500 12.5 25
450 104 40 6000 9.5 26
450 102 50 5000 10.7
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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