Psvane 845B-HiFi Series, mica free (NEW)

Preview: PS-845-B-HIFI-MASTER Psvane 845B-HiFi Series, mica free (NEU)

Preview: PS-845-B-HIFI Psvane 845B-HiFi Series, mica free (NEU)

PS-845-B-HIFI-MASTER Psvane 845B-HiFi Series, mica free (NEU)

PS-845-B-HIFI Psvane 845B-HiFi Series, mica free (NEU)

Please inform me as soon as the product is available again.

From €119.00 *

*Prices incl. VAT plus shipping costs

Currently not available

Alternative

TAD 845 (aka SE3945 / CV1831 / 38213)

€95.80 *

In Stock, delivery time approx.1-4 working days (Within Germany)
The delivery times for shipping abroad can be found here.

Part Number: NN604

Part Number: PS-845-B-HIFI
Packaging Size: 9x9x25 cm
Packaging Weight: 0.29 kg
UPC: 4251594915416

Psvane 845B-HiFi Series, mica free (NEW) 845B is direct-heated type thorium... more

Close menu

Product information "Psvane 845B-HiFi Series, mica free (NEW)"

Psvane 845B-HiFi Series, mica free (NEW)

845B is direct-heated type thorium tungsten cathode triode

which can be used as class A1 and AB1 amplification.

Mica free construction type

dimensons (exemplaric): 190.2 mm total length, 180.1 mm length without pins, 58.5 mm diameter glass, 47.0 mm diameter base

Heater

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

u--------------------------------------5

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:	4 Pin(Jumbo)

Read, write and discuss reviews... more

Close menu

Customer evaluation for "Psvane 845B-HiFi Series, mica free (NEW)"

From: Rob On: 12 Dec 2021

Great 845 tubes that won’t break the bank

First up TAD are superb to deal with. Great advice and fast, safe shipping.

I have Cary 211’s, so with a quad of 845’s and a quad of 300b’s I can’t stretch to “super tubes”, but the Psavne 845 are a definite upgrade to the standard Shuguang 845.

More details, more controlled bass and the workmanship looks top notch. Very pretty tubes and not having the mica gives a great view into the tubes.

Not quite the big jump written about on the old positive feedback review, but still an improvement. Don’t believe the 6 hour burn in from that article either, took them 60 hours to settle down and lose a bit of hardness. After 60 hours they are superb.

Recommend if you can’t stump for the top of the line for whatever reason.

Write an evaluation

Please verify your testimonial by clicking on the link sent to your email after submitting your text.