Psvane WE300B+ Plus, In Exclusive Gift Boxes - Matched Pair | HiFi Triodes, Transmitting Tubes

 

since 2018 PSVANE is presenting the top-of-line 300B model:  

WE 300B+PLUS  in our opinion the best classic design 300B ever made since the historic Western Electric 300B

 

The PSVANE WE300B+PLUS  Western Electric Replica  get shipped as factory matched pair in exclusive wooden gift boxes!

 

Now even better: get the PLUS for your WE300B!

The extended initial cathode forming burn-in and pre-aging at factory will allow your WE300B-PLUS to provide superb tonal performance with the first use right out of the box!

The PSVANE WE300B-PLUS Edition benefits from an even higher raw material selection and an extended time consuming initial burn.in and pre-aging. Such is allowing your PLUS Edition tubes to unfold their full performance right out of the box with first use already..

 

 

Psvane WE 300B+PLUS 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

 

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 of the initial PSVANE WE300B 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.

Now, in 2018, PSVANE has consequently followed this path and improved their WE300B with small adaptions material treatments and preparations as well as a special extended burin-in sequence to achieve that extra tad of details, sonical depth and shine.

 

 

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