QUICK FIND
CURRENCY
Use keywords to find the product you are looking for...
ADVANCED SEARCH
YOUR CART IS EMPTY
Categories
Manufacturers
Bestsellers
NotificationsNotify me of updates to 30P1M / 30P1S tetrode tube
Site news
24 Dec 2019 - Marry Christmas & NY 2020!
11 Nov 2019 - Card payments bug fixed
01 Jul 2019 - Work schedule JUL 2019
13 Apr 2019 - Work schedule APR 2019
24 Dec 2018 - Marry Christmas & NY 2019!
Articles
Receiving and amplifying tubes (catalog)
U.S. tubes and their Soviet analogues
Russian/Soviet tube designations
Types of some Russian capacitors
Code chart for TESLA tubes (1947-1984)
Shipping Info Delivery Stats Payment Info How to Order Privacy Notice Returns Policy Contact Us
» Vacuum tubes by use » POWER / OUTPUT tubes » 30P1M / 30P1S tetrode tube
30P1M / 30P1S tetrode tube
Manufacturer: MELZ factory
30P1M / 30P1S tetrode tube
$15.00/ea
Available quantity:
0 pc.
We accept payments by:
Average delivery time to United States is 16 days.
Rare output beam tetrode 30P1M (later name 30P1S) with a the heated oxide cathode is intended for an energy amplification in devices of broad application. Made in USSR, MELZ factory (from 1949 till 1950 only). NOS and never used before!

  • Filament voltage: 30V;
  • Anode voltage: 110V;
  • Voltage of the second grid: 110V;
  • Bias voltage on the first grid: -7.5V;
  • Filament current: 300 ± 25mA;
  • Anode current: 70 ± 22mА;
  • Second mesh current: < 12mA;
  • Steepness: 10±2.5 mA/V
    • Technical Specifications Technical Specifications

    We also recommend:
    30P1S tetrode tube
    30P1S tetrode tube
    $10.00
    Customers who bought this product also purchased:
    6C5S / 6X5GT / EZ35 tube
    6C5S / 6X5GT / EZ35 tube
    $3.00
    9 pin ceramic socket with aluminum shield 55mm
    9 pin ceramic socket with aluminum shield 55mm
    $2.30
    GU-17 / GU17 / QQE03/12 tube
    GU-17 / GU17 / QQE03/12 tube
    $4.00
    6H2P / 6X2P / EAA91 / 6B32 / EB91 tube
    6H2P / 6X2P / EAA91 / 6B32 / EB91 tube
    $1.00
    6C4P-EV / EZ90 / 6Z31 / SV4005 tube (original box)
    6C4P-EV / EZ90 / 6Z31 / SV4005 tube (original box)
    $3.00
    6A7 / 6SA7 heptode tube
    6A7 / 6SA7 heptode tube
    $3.50
    GU-29 / GU29 / 829 double tetrode tube
    GU-29 / GU29 / 829 double tetrode tube
    $10.00
    7 pin ceramic socket (rsh4 type) with retainer 55...
    7 pin ceramic socket (rsh4 type) with retainer 55...
    $1.30
    6J8 / 6Zh8 / 6SJ7 tube
    6J8 / 6Zh8 / 6SJ7 tube
    $2.00
    Copyright 2007-2020 Tubes-Store Inc. All rights reserved.