Product information "Psvane WE300B WE-Series, Matched Pair"
WE 300B  in our opinion the best classic design 300B ever made since the historic Western Electric 300B
 
All PSVANE WE-Series come with full 1 Year Warranty covered by TAD as exclusive 6-Star Distributor for PSVANE in Europe
 
The PSVANE WE300B  Western Electric Replica  get shipped as factory matched pair
NOTE: the 300B ship in wood-free blue individual boxes.
 
Psvane WE 300B has exactly the same electronic and mechanical specification as the original Western Electric WE 300B.
a timeless beauty in perfect build quality for years of your audio performance
 
The long waiting of the American WE300B re-issue from USA seems endless; but now the manufacturer Psvane Audio has stepped up to make a 1:1 replica of the original WE300B.
According to Psvane Audio, the Psvane WE300B Replica is: "100% 1:1 replica of WE300B, including materials, structure, internal and external size - up to the detail of a tiny screw used".
Sample production run in Dec 2011 with test launch has resulted in raving reviews by audiophiles. Since 2012 the Psvane WE300B quickly became reputed as one of the highest quality 300B type tube manufactured all time.
 
all tubes will be double tested by our custom TAD test rig to ensure to supply PSVANE tubes in perfect quality.
 
Suggested burn-in time is 80-150 hours
 
Filament heating
Uf(DC)………………5V
If(DC) …………… 1.2A
 
Static Parameter
Ua……………………300V
-Ug………………… 60V
Ia……………………60mA
Gm…………………5.5mA/V
ri……………………0.7 KΩ
u ……………………3.85
Pout…………………6.6W
 
Maximum rated parameter
Ua………................……480V
anode dissipation………40W
 
cathode current
cathode bias………………100 mA  
fix bias ……….............……70 mA
 
interelectrode capacitance
input capacitance ……….…9.0PF  
output capacitance ……..…4.3PF
transfer capacitance …….15.0PF  
 
 
Typical operation parameter
audio amplifier
Class A1 amplification
 
Ua -Ug Ia RL  Pout 2nd
 V   V mA Ω    W   db
 
200 42 30 2000 3.0 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