10x MTH-90 MTX-90 Glow Thyratron Tube NOS USSR Soviet Neon Indicator Nixie Clock

The product is a set of 10 MTH-90 glow thyratron tubes, manufactured in the USSR. These tubes are categorized as vintage parts and accessories, specifically in the vintage audio and video section. They are brand new, never used, and are ideal for collectors or enthusiasts of vintage electronics. The MTH-90 model is a specific type of thyratron tube that was commonly used in Soviet electronic equipment. These tubes would be a valuable addition to any collection or for various vintage audio and video projects.

Soviet High Voltage TR1-6/15(ТР1-6/15) 15000V 15kV Thyratron Tube NEW in Box

Specifications Mercury thyratron TP1-6 / 15 TP1-6 / 15 mercury thyratron is designed for operation in relay and controlled converter devices of wide application (rectifiers, inverters, frequency converters). The glow voltage is 5 V. The glow current is from 16.5 A to 23 A. Grid voltage unlocking – (-17.5) V. The grid voltage locking – (-85) V. The voltage at the anode is not more than 15 kV. The resistance of the TP1-6 / 15 lamp grid circuit is 5 kOhm. The run-up voltage is 25 V. The warm-up time of the device is 15 s. The capacitance in the grid-cathode circuit is 3000 pF. The voltage drop between the anode and cathode is not more than 18 V. Filling TP1-6 / 15 – mercury vapor. Design – glass with a base RSh-15. The cathode is an oxide of indirect heat. Performance Limits: – glow voltage – from 4.75 V to 5.25 V; – anode voltage direct and reverse – 15 kV; – grid voltage – from -500 V to 500 V; – anode current TP1-6 / 15 (amplitude value) – 20 A; – anode current (average value) – 6.5 A; – resistance in the grid circuit – from 1 kOhm to 5 kOhm; – operating frequency – 50 Hz. Durability – at least 500 hours. Dimensions: – length – no more than 350 mm; – diameter – no more than 90 mm. Terms of Use: Ambient temperature – from + 15 ° С to + 35 ° С. Relative humidity at + 20 ° С – up to 98%.

10 x MTH-90 / MTX-90 NEW, NOS Military Thyratron, Cold Cathode, Neon, Nixie

10 x MTH-90 / MTX-90 NEW, NOS Military Thyratron, Cold Cathode, Neon, Nixie Description MTX-90 Thyratron`s Glow: You can use it also like a nixie light bulb. Intended for working with low signals and like a ionic relay. Filing – neon. Envelope – glass, miniature. Mass – 4g. Leds: 1 – Cathode, 2 – Anode, 3 – Grid.General parameters:Brightness: at least 80 Cd/m2 Viewing angle: at least 60 degree Anode voltage: free grid: <200V Grid to Cathode connection: <140V if grid current=1mkA: 85-150V Discharge inception voltage: Anode-Cathode: <150V Grid-Cathode: 65-90V Discharge maintaining voltage: Anode-Cathode: 2mkA at Ua=120V: 8-40mkA at Ua=85V: <100mkA Anode curent: in on-off operation: <35mA (amplitude) in on-off operation: <7mA (average) in trigger operation: <4mA (amplitude) in trigger operation: 800mks Working period: in on-off operation: >4000 times in trigger operation: >5000 hours Made in USSR. “OTK”, high reliability.Made in “GAZATRON” PlantTerms of Sale100% Feedback Seller!!! Returns must be sent to Ukraine. I can guarantee you complete satisfaction with all my products. If you receive an item you ordered which is damaged or defective, I will send replacement item. I only accept returns if the items you received are not what was described in the listing, damaged or defective. If exchangeis not possible money refund will be issued. Item for returning must have the original tags and packing, otherwise it won’t be accepted. Shipping AIR DELIVERY usually takes 10 – 24 days WorldWide. Tracking number will be provided. Will be packed professionally. Can write lower value on customs declaration on request. Contact Us Contact ME on Ebay or Email if you have any question regarding this item.

Tested Matched Pair 6N3P-E NOS Vacuum Tubes (Upgrade 5670)

Matched pair NOS 6N3P-E (cyrillic 6Н3П-Е) Vacuum Tubes. The tubes will also have the printed Reflector logo and cyrillic marking 6Н3П-Е. For comparison, Russian 6N3P (6Н3П) and 6N3P-EV (6Н3П-ЕB) tubes and the Chinese 6N3 tube, will not have a 3rd mica spacer (6N3 tubes can be further identified by a rectangular getter-holder).

572B vetlana Power Amp tubes 2 available

Explore the world of vintage audio with the 572B VTLana Power Amp Tube, a sought-after gem for enthusiasts and collectors alike. Originally crafted in the Russian Federation, this model is a testament to classic design and enduring quality. With two units available, seize the opportunity to enhance your audio experience with a touch of history.The 572-B is renowned for its robust construction and exceptional performance, making it a staple in the realm of vintage electronics. Whether you’re looking to complete your collection or restore a classic piece, these 572B tubes promise to deliver the warmth and character that only vintage components can offer.

NO PLATE CAP Factory Tested Svetlana SED SV-572-30 High Power Vacuum Tube

100% Guaranteed TubesAll tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle!Visit our store to view our inventory of thousands of tubes both NOS & New Production We are an authorized dealer for New Sensor products including Sovtek, Electro-Harmonix, Mullard, Tung-Sol, and Genalex. We sell A grade quality stock, not factory seconds like many other sellers. International Buyers Please Read our Disclaimer Below – Standard Shipping can take 3 MONTHS or more – Do NOT Trust eBay Shipping Estimates Brand New Factory Tested Svetlana SED SV-572-30 High Power Vacuum Tube Out of the three models of SV572, this SV572-30 is the middle ground for transconductance and plate resistance at 6,500 Gm and 4,600 ohms. The SV572-30 offers a higher power (125 Watt rating) option to the classic 812A or 8005 tubes. * PLEASE NOTE THAT THESE RUSSIAN-MADE SVETLANA 572 TUBES ARE NOT PLUG-AND-PLAY COMPATIBLE WITH AMERICAN EQUIPMENT; THEY DO NOT HAVE THE TOP CAP CONNECTION LIKE THE AMERICAN 572B VERSION. THEY ARE OTHERWISE THE SAME TUBE. Precision Testing & Matching Test Data on the Box Power Tubes: Checked for shorts, gas and leaks. Tested for and/or matched by Plate Current (Ip) and General Mutual Transconductance (Gm) at real world voltages on a Maxi-Matcher tube tester; Preamp Tubes: Checked for shorts, gas and leaks. Tested for and/or matched by Gain and General Mutual Transconductance (Gm) at real world voltages on a Maxi-Matcher Preamp II tube tester; Rectifier Tubes: Checked for shorts, gas and leaks. Tested for and/or matched by Emissions on a calibrated Hickok TV-7 or Triplett 3444 tube tester. Shipping We have a retail location located in Easthampton MA. You are more than welcome to pickup your order in person. Our typical hours are Monday – Friday 9:00 AM to 5:00 PM but we do offer extended hours so call first! All new production tubes ship for free so we do not combine shipping on new production tubes. We still combine shipping with vintage tubes. All orders before 1:00 PM EST ship same-day. All orders shipped within 1 business day. Domestic & International buyers can choose USPS First Class Mail or USPS Priority Mail.USPS First Class Mail is our default shipping method. Other options available only by request. Typical transit times: Domestic USPS First Class Mail: 3-9 Days, includes trackingDomestic USPS Priority Mail: 1-3 Days, includes trackingInternational USPS First Class Mail: Typically 3-6 weeks but up to 3 months! – NO TRACKINGInternational USPS Priority Mail: 6-14 Days – Includes Tracking International Shipping Disclaimer International orders will be shipped by USPS First Class Mail International by default, which is the cheapest possible way and you do get what you pay for. This shipping service is very cost-effective and extremely safe, but you will not be able to track your package. It usually takes 3-6 weeks for a First Class Mail International package to arrive, but can take UP TO 3 MONTHS FOR DELIVERY DUE TO CUSTOMS, ESPECIALLY IN CERTAIN STRICT COUNTRIES LIKE RUSSIA, CHINA OR BRAZIL. We guarantee all of our shipments, but we do ask that our customers wait 90 days before we grant a full refund due to a lost package. We have shipped thousands of items internationally using First Class Mail and while we have had plenty take several months to arrive, we have had less than 10 actual lost packages. * Remember – You Have 6 Months of Coverage Through PayPal or your Credit Card company * DEPENDING ON YOUR COUNTRY’S POLICIES, YOU MAY BE RESPONSIBLE FOR IMPORT TAXES WHEN ORDERING OVERSEAS FROM US. WE ARE NOT RESPONSIBLE FOR ANY TAXES, DUTIES, OR CUSTOMS FEES.Guarantee & Returns All of our products are guaranteed unless otherwise stated. We do not accept returns on the subjective basis of sonic qualities. All items all guaranteed to be as described and free of any electrical or operational faults such as shorts, low test, microphonics, noise etc. Returns will be accepted for tubes that don’t test as described in most cases, but we reserve the right to refuse a return if the tube was not tested properly by the customer; We also reserve the right to refuse a return if it is clear the item was used improperly. For example-a tube installed in the wrong amplifier. We will not accept returns for any cosmetic issues such as crooked bottles, dirty glass, poor boxes etc, unless item condition differs from the description nor will we accept a return for buyers remorse. If you bought the wrong item, you may return it but we will charge a 15% restocking fee.Vintage & NOS tubes are guaranteed for 30 days from the date of purchase;New Production tubes are guaranteed for 90 days. About UsCome visit the only retail tube store in the USA! VIVA TUBES is your source for vintage vacuum tubes. Located in an appropriately rustic mill building in Easthampton MA. We share our building with a Recording Studio, Brewery, Practice Spaces and many other small businesses. . We carry everything from vintage audio tubes and new productions to HAM tubes. We also have a variety of vintage electronic parts as well as audio equipment and more! We have a vast inventory of thousands and thousands of tubes.What started as a hobby several years ago to fund my obsession with tube audio, VIVA TUBES has quickly grown into a full time business;We pride ourselves on our excellent customer service and great attention to testing and product detail. Shop with us and find out why the majority of our customers are repeat customers.WE ARE ALWAYS BUYING TUBES – LARGE OR SMALL LOTS – WE CAN ACCEPT SHIPMENTS OR MAKE AN APPOINTMENT TO VIEW LOCALLY – PLEASE CONTACT