We use cookies to improve your online experience. By continuing browsing this website, we assume you agree our use of cookies.
  • English

    Language

    • English
    • Deutsch
    • Русский
    • Français
    • Español
    • Português
    • Italiano
    • Japanese
    • Chinese (Simplified)
    • Chinese (Traditional)
    • Belarusian
    • Danish
    • Finnish
    • Kazakh
    • 한국어
    • Dutch
    • Czech
    • Croatian
    • Latin
    • Latvian
    • Lao
    • Malay
    • Bengali
    • Nepali
    • Norwegian
    • Zulu
    • Swedish
    • Serbian
    • ไทย
    • Turkish
    • Welsh
    • Ukrainian
    • Uzbek
    • Greek
    • Hungarian
    • Indonesian
    • Tiếng Việt
    • Slovenian
    • Slovak
    • Lithuanian
    • Romanian
    • Georgian
    • Bulgarian
    • Filipino
    • Mongolian
    • Esperanto
    • Armenian
    • Hindi
    • Albanian
    • Arabic
    • Irish
    • Azerbaijani
    • Icelandic
    • Polish
    • ဗမာ
    • Galician
    • Catalan
    • Afrikaans
    • Persian
    • Bosnian
    • Estonian
    • Basque
    • Macedonian
    • Somali
    • Maltese
    • Punjabi
    • Cebuano
    • Javanese
    Choose Currency: USDUSD
    Save Cancel
  • |
  • Currency:
    USDUSD EUREUR GBPGBP CNY
  • Sign In or Join Free
Your position: Home / Audio/HiFi accessories / Audio tubes / Hifi tubes

PSVANE HiFi 845B Vacuum Electron Tube Vintage Hifi Audio Tube Amplifier DIY Factory Matched Pair (one pair)

BRAND NEW PSVANE VACUUM POWER TUBE
Factory test&match pair
1 matched pair (2PCS, in a luxury gift box,factory test&match)
Price:
USD
$242.93
Wholesale:
2+
$230.79
Quantity:
-
+
(50 pairs available)
Shipping Cost:
to
Estimated Delivery Time:
Please select the country you want to ship from
Please select the information you wantX
  • Description
  • Reviews


NOTES: Price = one pair (2pcs)

EECTECH provides high-quality tubes/fast delivery/good service
 

Authentic brand | PSVANE designated distribution | original factory distribution

845B is direct-heated type thorium tungsten cathode triode, which can be used as class A1 and AB1 amplification.
 

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






For delivery time: 
Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 15~21 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.
 
For Bulk order: 
If you would like to place a bulk order, please contact us for better price and better delivery cost.
Average rating: 5.0
Share your thoughts with other customers
Write a review
Product reviews can be carried out after the member login, please click here to login
EECTECH Policy
Product Warranty
Return & Refund Policy
After-sales Service
Privacy Policy
Payment & Shipping
Payment Method
Delivery Options
Customs Clearance
Order Tracking
Company Info
Contact Us
About EECTECH