https://sovietunionussr.com Mon, 20 Apr 2026 13:15:45 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://sovietunionussr.com/kp1-4-5-100pf-25kv-vacuum-variable-capacitor-nos-ussr-soviet/ https://sovietunionussr.com/kp1-4-5-100pf-25kv-vacuum-variable-capacitor-nos-ussr-soviet/#comments Sun, 14 Nov 2021 17:50:39 +0000 http://sovietunionussr.com/kp1-4-5-100pf-25kv-vacuum-variable-capacitor-nos-ussr-soviet/





Lot of 1 pc. KP1-4 5-100pF 25kV Military high-voltage vacuum variable capacitor. High Quality Military Equipment. Designed to work in DC, AC and pulse current. It is applied in Soviet army transmitting equipment. Has very exact and stable parameters. Frequency range: up to 30 MHz. Capacity: (5 – 100) pF. Nominal Working Voltage: 25 kV at 30 MHz. I nominal on 30 MHz: 50 A. Temperature of work: (-60 to 125). C (-76 to 257). Robust packaging, protection against shock and vibration. See my other items. The item “KP1-4 5-100pF 25kV vacuum variable capacitor NOS USSR SOVIET” is in sale since Monday, July 6, 2020. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Other Ham Radio Equipment”. The seller is “12-rocketman” and is located in Saratov. This item can be shipped worldwide.

• To Fit: Ham Radio Amplifier
• Country/Region of Manufacture: Russian Federation
• Compatible Brand: Universal
• Type: Variable Capacitor
• MPN: Does Not Apply
• Brand: USSR
• Voltage: 25kV

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Absolutely new Soviet L3-3 vacuum tube tester. Manufactured at Saratov electronic engineering plant on 28th March 1973. This item has never been used before. Carefuly tested by us, working great and provides very stable measuring. Electronic circuits were carefully inspected and adjusted as well. This listing includes L3-3 tester, original set of 389 test cards, operational form and power cord. For additional charge, we also offer adapter for 6P45S tubes, as well as test cards for many European and American tubes. We are open to any questions or offers! The item “NEW L3-3 SOVIET VACUUM TUBE TESTER MILITARY USSR / TESTED / WITH CARDS AND CORD” is in sale since Thursday, January 21, 2021. This item is in the category “Business & Industrial\Test, Measurement & Inspection\Testers & Calibrators\Tube Testers”. The seller is “vintelec777_3″ and is located in Kyiv. This item can be shipped worldwide.

• Model: L3-3
• Country/Region of Manufacture: Russian Federation
• MPN: Does Not Apply
• Brand: USSR

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I stop working with Russia post because they are very bad now. Rest world 14-32 days. Lot of 1 KP1-8 4-100pF 5kV variable vacuum capacitor tested USSR NOS. (without original packaging) Tested! Capacity – 100 pf. Operating voltage 5 kV. Frequency range up to 30 MHz. Max dimensions: 120×67 mm. Contact rings: 60×35 mm (2.36×1.38 Inch). Tuning shaft: diameter 8 mm, 22 Turns. US – 10-14 days. EU – 10-20 days. Rest World – 14-32 days. Please contact me if you have any questions or any problem occurs. The item “FAST SHIP! Lot of 1 KP1-8 4-100pF 5kV variable vacuum capacitor tested USSR NOS” is in sale since Thursday, June 24, 2021. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Capacitors”. The seller is “fromtheussr” and is located in Russia. This item can be shipped worldwide.

• Brand: ussr

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10-30% DISCOUNT for regular customers!! For sale 1 pcs. Of great Vacuum variable capacitor KP1-4 7.5-350 pF 10 kV high-voltage USSR GREAT. Item is dismounted from newer working military equipment, great working condition. Please see actual photos! Capacity 7.5 pF Max. Capacity 350 pF Max. Operating voltage 10 kV. Nominal current at 30 MHz 50 Amp Frequency range up to 30 MHz Max dimensions: 249×100 mm. Contact rings: 60×35 mm / 2.36×1.38 inch. Tuning shaft diameter: 12.5x20mm / 0.5×0.79 inch, 22 turns. Weight: 2.2 kg. Please contact if you have any questions or any problem occurs! The item “FedEx Vacuum variable capacitor KP1-4 7.5-350 pF 10 kV high-voltage USSR GREAT” is in sale since Friday, January 8, 2021. This item is in the category “Business & Industrial\Electrical Equipment & Supplies\Electronic Components & Semiconductors\Capacitors”. The seller is “sovietstuff” and is located in Zuid-Holland. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.

• MPN: Does Not Apply
• Brand: ussr

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KP1-4 7.5-350pF 10kV Milirary high-voltage vacuum variable capacitors. High Quality Military Equipment. Designed to work in DC, AC and pulse current. It is applied in Soviet army transmitting equipment. Has very exact and stable parameters. Min capacity – 7.5pf. Max capacity – 350pf. Nominal voltage – 10kV. Frequency – up to 30Mhz. Wieght – 2.2kg (4.85 lb). Hieght – 249mm (9,80 inch). Diameter of the tube – 100mm. Diameter of the tuning shaft – 12mm (0.47 inch). Robust packaging, protection against shock and vibration. See my other items. The item “KP1-4 7.5-350pF 10kV Vacuum Variable Capacitor NOS USSR SOVIET” is in sale since Wednesday, March 24, 2021. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Other Ham Radio Equipment”. The seller is “12-rocketman” and is located in Saratov. This item can be shipped worldwide.

• To Fit: Ham Radio Amplifier
• Country/Region of Manufacture: Russian Federation
• Compatible Brand: Universal
• Type: Variable Capacitor
• MPN: Does Not Apply
• Brand: USSR
• Voltage: 10kV

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Vacuum Variable Capacitor KP1-4 10 kV 20-1000 pF. Lot of 1 with. Uy exactly what you see at the photo. Ll photos are real. Operating voltage 10000 V, Capacity 20-1000pf. KP1-4 capacitor vacuum variable capacity is designed for operation in DC and AC circuits. The maximum operating frequency is not more than 60 MHz. Rated current – no more than 500 A. The minimum operating time is not a failure – at least 1000 hours. The ambient temperature ranges from -60º C to + 200º C. Relative humidity – not more than 98%. Atmospheric pressure is from 53.3 kPa to 117.7 kPa (from 400 mm Hg to 882.7 mm Hg). Equency range – from 1 Hz to 1000 Hz. Acceleration – not more than 75 m / s2. Shock loads of multiple action with acceleration – no more than 315 m / s2. Made in USSR – hight quality. Perfect for Your Power Amplifier! Apacitor will be packed in. The item “Vacuum Variable Capacitor KP1-4 20-1000 pF 10 kV + Dielectric FLANGES” is in sale since Sunday, February 23, 2020. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Other Ham Radio Equipment”. The seller is “best4hamradio” and is located in Kyiv. This item can be shipped worldwide.

• Compatible Brand: Universal
• Type: Variable Capacitor
• MPN: Does Not Apply
• Model: KP1-4
• Brand: USSR
• Voltage: 10kv

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The design of this tube preamp is concise and durable with strong styles, reasonable layout and simple circuit makes the sound is clean, clear and natural. The noise is ultra-low (0.08mV and 0.7mV when in the minimum / maximum volume), its SNR can reach 95DB and distortion is only 0.15%. DAC / Audio Decoder. Digital Interface / Sound Card. AV Tube Integrated Amplifier. PSU / Power Supply. Audio HiFi & DIY. Tube Amplifier DIY Kit. 3.5 Line Out Cable. HiFi 6H8C / CV181 Vacuum Tube Preamp Stereo Home Audio Preamplifier Tone Control. Many high-quality components are used to ensure excellent ideal performance and long time stable work: el pure copper transformer, 10H inductance, elc filter, tube rectifier linear regulated, rel coupling capacitors, WIMA capacitors, high precision metal film resistors, and Rubycon electrolysis capacitors, 5PCS pure copper gold-plated fine steel ceramic tube socket, Omron relay and so on. A bypass switch is specially designed to turn on/off the tone control, as a tube preamp, it is more convenient to enjoy original HiFi sound or obtain more delicate sound with treble and bass control knob, adding much fun and higher playability. The details of music is much clearer and more listenable even in low volume, this preamp can enhance the resolution of high frequency, the power of low frequency and whole dynamic range no matter matched with tube amplifier or solid state power amplifier. The rectifier tube adopts directly-heated Nanjing 5Z2P, and the preamp tube adopts Soviet Union 6H8C or customized PSVANE CV18-SE (optional), the tube sound is sweet and warm, full and mellow, with strong classic sense. HiFi sound and exquisite appreance with dual VU meter design, providing both auditory and visual enjoyments. The pluggable tube socket makes it easy to change different tubes and enjoy sound of different styles, very suitable for home audio system use. Audio input: 4 groups of stereo L/R RCA. Audio output: 2 groups of stereo L/R RCA. Preamp tube: Soviet Union 6H8C / PSVANE CV181 (optional). Working voltage: AC 115V (110-120V) / AC 230V(220-240V). Please leave VALID TELEPHONE NUMBER which is necessary and very important. For package less than 2KG, we use. (10-25 days to most countries). And for package over than 2KG we use. (5-8 days to most countries). Free Return Within 30 Days. We provide return within 30 days. Is provided for all items. Man-made damage or misuse. Audio accessories and consumables such as vacuum tubes. If you are satisfied with our products and service please leave a 5-star. Feedback, we will provide better solutions until you are satisfied. Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including. Douk Audio / Nobsound / Little Bear. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for. Improve our customers’ listening experience. During holiday, please allow us to response you early next week. Please don’t leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. The item “HiFi 6H8C / CV181 Vacuum Tube Preamp Stereo Home Audio Preamplifier Tone Control” is in sale since Sunday, April 26, 2020. This item is in the category “Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps”. The seller is “doukmall” and is located in shenzhen. This item can be shipped worldwide.

• Brand: Douk Audio
• Type: Tube Preamp
• Number of Channels: 2
• Model: C1
• MPN: DJ516
• Audio Inputs: Stereo L/R RCA
• Number of Inputs: 4
• Audio Outputs: Stereo L/R RCA
• Features: Analog
• Number of Outputs: 2
• California Prop 65 Warning: NO
• Color: Black
• Surround Sound Formats: no
• Supported Modes: no
• Power: no
• Receiver Combo Features: no

]]> https://sovietunionussr.com/hifi-6h8c-cv181-vacuum-tube-preamp-stereo-home-audio-preamplifier-tone-control/feed/ 0 https://sovietunionussr.com/mtx-90-mtx90-90-nixie-cold-cathode-vacuum-thyratron-tube-ussr-new-nib-100pcs/ https://sovietunionussr.com/mtx-90-mtx90-90-nixie-cold-cathode-vacuum-thyratron-tube-ussr-new-nib-100pcs/#comments Wed, 17 Mar 2021 20:38:45 +0000 http://sovietunionussr.com/mtx-90-mtx90-90-nixie-cold-cathode-vacuum-thyratron-tube-ussr-new-nib-100pcs/












MTX-90 MTX90 MTH Nixie cold cathode vacuum thyratron tube NOS factory box 100pcs. MTX-90 NIXIE Cold Cathode Vacuum Thyratron Tube (MTH-90) 1983 USSR NOS Tested. Rare, not produce now. You can use it also like nixie light bulb. Intended for working with low signals and like a ionic relay. Envelope – glass, miniature. Leds: 1 – Cathode, 2 – Anode, 3 – Grid. New old stock, never used, perfect condition. Brightness: at least 80 Cd/m2 Viewing angle: at least 60 degree Anode voltage: free grid. 2mkA at Ua=120V: 8-40mkA at Ua=85V. 800mks Working period: in on-off operation: >4000 times in trigger operation: >5000 hours. Lot for 100 pcs. We use UkrPoshta (Ukranian Post) for all our International deliveries. Sometimes it can take longer up to 8 weeks. We will make every effort to fix any problem. We guarantee you complete satisfaction with all our high quality products. The item should come to the above address within 30 days after you received it. After 30 days we will no longer be responsible and the item won’t be taken back. Item for returning must have the original tags and packing, otherwise it won’t be accepted. The item “MTX-90 MTX90 -90 Nixie cold cathode vacuum thyratron tube ussr NEW NIB 100pcs” is in sale since Monday, July 31, 2017. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets”. The seller is “g_titov” and is located in Payment in USA. This item can be shipped worldwide.

• Model: MTX-90 MTX90
• MPN: Does Not Apply
• Brand: USSR
• Type: Thyratron

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KP1-4 3-50pF 25kV High-voltage vacuum variable capacitor lot 1pcs. The item “KP1-4 3-50pF 25kV High-voltage vacuum variable capacitor lot 1pcs” is in sale since Saturday, April 11, 2020. This item is in the category “Business & Industrial\Electrical Equipment & Supplies\Electronic Components & Semiconductors\Capacitors”. The seller is “aandrianov11″ and is located in Moscow. This item can be shipped worldwide.

• MPN: Does Not Apply
• Capacitor Construction: Vacuum
• Capacitor Type: Variable
• Model: KP1-4
• Nominal Capacitance: 3-50pF
• Working Voltage: 25kV
• Brand: ussr

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For sale 1 pcs. Of great Vacuum variable capacitor KP1-8 4-100 pF 5 kV high-voltage USSR. Item is new old stock in perfect working condition. In original factory box. Capacity 5 pF Max. Capacity 100 pF Max. Operating voltage 25 kV. Nominal current at 30 MHz 50 Amp Frequency range up to 30 MHz Max dimensions: 7.4×3.27 inch. Contact rings: 1.97 inch. Tuning shaft: 0.47×0.79 inch. Item number may differ because I have many of such capacitors. Please contact if you have any questions or any problem occurs! The item “In EU Vacuum variable capacitor KP1-4 5-100pF 25 kV high-voltage USSR” is in sale since Tuesday, July 14, 2020. This item is in the category “Business & Industrial\Electrical Equipment & Supplies\Electronic Components & Semiconductors\Capacitors”. The seller is “sovietstuff” and is located in Zuid-Holland. This item can be shipped worldwide.

• MPN: Does Not Apply
• Brand: ussr

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