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Psvane 845-T-MII/2 Matched Pair

€429.00 *

*Prices incl. VAT plus shipping costs

In Stock

  • PS2-845-T-MII.2
  • 29x13.5x31 cm
  • 1.72 kg
  • 4251594914440
The 845-T-MII/2 Psvane Reference MarkII T-series get shipped as factory matched pair.  ... more
Product information "Psvane 845-T-MII/2 Matched Pair"
The 845-T-MII/2 Psvane Reference MarkII T-series get shipped as factory matched pair.
All Psvane tubes get retested at TAD to ensure the perfect quality even after the long trip from factory to us.
the NEW Psvane MKII T-Series:
Teflon Base with Oxidized Aluminum Collar:
The MKII series tubes use exquisite Teflon material for the base to improve on low conductivity and stability. The amber color oxidized aluminum collar around the Teflon base is will avoid corrosion as well as finger prints to maintain a prestige appearance.
Psvane logo and serial number
The Psvane logo and serial number are engraved on the base:  The Psvane MKII series have its logo and serial number engraved in the tube base facing all in same direction. No print on the glass does disturb the appearance of the beautiful shaped glass envelope.
Glass Quality:
A higher quality glass is used for the MKII series to increase the reliability and stability which does slightly increase the total weight of each tube.
Sound Quality:
The MKII series offers superb sound quality. The new coating materials offer an even better music presentation. Even compared to the great sounding Mark I T-Series you will experience slight 3D imaging improvement, layering and clarity
845 TII-Series: 
845-TII is direct-heated type thorium tungsten cathode triode, class A1 and AB1
Uf---------------------------------------10 V
If----------------------------------------3.25 A
Maximum Rating
Ua----------------------------------1250 V
Pa-------------------------------75 W
Pout(max.sig)--------------------------150 W
Ia(max)------------------------------120 mA;
Direct Interelectrode Capacitances
input----------------------------------6 PF
output----------------------------------4.5 PF
grid to plate----------------------------------14.5 PF
Static parameter
Ua--------------------------------------1250 V
—Ug-------------------------------------200 V
Ia---------------------------------------80 mA
Gm--------------------------------------3 mA/V
ri----------------------------------------1.7 KΩ
RL---------------------------------------3.4 KΩ
Ug(pk)------------------------------------69 V
Pout-------------------------------------15 W

Recommended Operating Conditions reference value class A1 .single tube
Ua-----1000 1000 1250 V
—Ug--- 145 155 209 V
RL-----6 9 16 KΩ
Ia------90 65 52 mA
Gm-----3.1 — — mA/V
Ug(pk)--— 110 148 V
ri------1.7 1.9 2.1 KΩ
Pout----24 21 24 W
Push-pull.class AB1
Ua------------------ 800 1000 1000 1250 V
—Ug---------------- 125 170 175 225 V
RL------------------ 4.5 4.6 4.6 6.6 KΩ
Ia--------------------80 70 40 40 mA
Ug(pk)----------------177 240 — — V
Ia(mAx.sig)---------170 230 230 240 mA
Pout----------------40 75 75 115 W
Tube Type: 845/SE3945/CV1831/38213
Socket: 845(Twist Lock)
Read, write and discuss reviews... more
Customer evaluation for "Psvane 845-T-MII/2 Matched Pair"
30 Dec 2016

Excellent tubes smoother sounding so far than the 845Bs with a more delineated sound stage. Early days of burn in but no nasties so far. Excellent service from Tube Amp Doctor as always despite ordering just before Christmas they arrived in perfect condition the next week. I recommend these tubes and of course Tube Amp Doctor for their first class service.

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