ReviewsVacuum Tube Amplifiers

Audioengine P4 Passive Bookshelf Speakers | Home Stereo High-Performing 2-Way Desktop Speakers Bamboo

  • PREMIUM SPEAKERS THAT OUTPERFORM: The P4 Passive Speakers are beautifully designed to complement your home music system or computer desktop. Rated for....
  • FEATURES: The P4 speakers feature a front-ported design and are constructed with custom Audioengine components. 4” aramid fiber woofers and 0.75”....
  • WORKS WITH: Most stereo receivers, integrated amps, tube amplifiers, and digital hybrid amplifiers. Looking for an amplifier to pair with? The....
  • WHAT’S INCLUDED: Pair of Audioengine P4 Passive Speakers, microfiber speaker bags, setup guide..
  • WARRANTY: Stellar US based customer support and 3 year product warranty is included. Based in Austin, TX, Audioengine has been changing the way people....
Check Stock

Audioengine P4 Passive Bookshelf Speakers | Home Stereo High-Performing 2-Way Desktop Speakers Black

  • PREMIUM SPEAKERS THAT OUTPERFORM: The P4 Passive Speakers are beautifully designed to complement your home music system or computer desktop. Rated for....
  • FEATURES: The P4 speakers feature a front-ported design and are constructed with custom Audioengine components. 4” aramid fiber woofers and 0.75”....
  • WORKS WITH: Most stereo receivers, integrated amps, tube amplifiers, and digital hybrid amplifiers. Looking for an amplifier to pair with? The....
  • WHAT’S INCLUDED: Pair of Audioengine P4 Passive Speakers, microfiber speaker bags, setup guide..
  • WARRANTY: Stellar US based customer support and 3 year product warranty is included. Based in Austin, TX, Audioengine has been changing the way people....
Check Stock

SynoRiver High Precision Passive Preamp, HiFi Preamplifier - RCA Stereo Audio Signal Volume Control (Silver)

  • 【6K4 Tube and NE5532 Chips】 This TUBE-03 tube preamplifier is equipped with triodes 6K4 vacuum tube and NE5532 OP IC. The vacuum tubes give you a different acoustic enjoyment with dynamic, sweet tube sound enjoyment. This 6K4 vacuum & valve tube is replaceable with 6J1, GE5654. OP chip NE5532 can be replaced by AD827JN or MUSE02.
  • 【Bass & Treble Control】 The vacuum tube preamplifier has independent bass knob, treble knob, and main volume knob. It ensures more delicate adjustment of music to achieve pleasant sound quality according to your preference. It is a great choice for both audiophile and starters.
  • 【RCA Input & Output】 RCA input can connect to smartphone, computer, CD, DVD, MP3, TV, blu-ray players. RCA output can connect to active speaker, or amplifier + passive speaker (can not connect passive speaker directly). RCA cable comes with package.
  • 【Premium Material】 Solid and textured aluminum alloy oxidation wiredrawing shell, black immersion gold PCB sheet and gold-plated interface ensures more stable signal transmission, high-temperature resistance. High performance component will bring high quality listening experience, low noise and pure sound.
  • 【Packing Lists】 Package includes 1 x tube preamp, 2 x 6K4 tubes, 1 x 12V 1A power sup....
Check Stock

MECCANIXITY Vacuum Silicone Tubing Hose 5/32 1/4 5/16 1/2 ID 1/8 Wall Thick 5ft Black High Temperature for Engine

  • Silicone vacuum tube is mainly used in air and liquid transportation of engines. Also can be used to transport lubricating oil. It cannot be used as transmission oil hose. The thick wall design allows vacuum tubes to work in high-pressure environments.
  • Silicone vacuum hose, is in size of : 4mm/0.16-inch, 6mm/0.24-inch, 8mm/0.32-inch, 12mm/0.47-inch inner dia, 10mm/0.39-inch, 12mm/0.47-inch, 14mm/0.55-inch, 18mm/0.71-inch outer dia, 3mm/0.12-inch wall thickness, 1.5mm/5ft total length, -60°C to 200°C(-76°F to 392°F) working temperature.
  • Vacuum hose is made of high-temperature-resistant silicone material, which can be used to connect and replace all kinds of pipes in the high-temperature environment such as engine, etc. Vacuum hose is with aging resistance, good flexibility, smooth surface, not easy to deform, and good sealing performance.
  • Steps of installation: 1.Prepare a silicone vacuum tube of an appropriate size.
  • Please select a silicone vacuum tube of appropriate size, especially the inner diameter and outer diameter of the tube.
Check Stock

VideoPUP 1-1/4\ Extension Wands Vacuum Cleaner Accessories,32mm Vacuum Hose Chrome Wand Pipe Extent to 31inch (Hose)

  • ✌✌1. Package include 1pcs Vacuum Extension Wands, telescopic tube with a diameter of 1.25in,Small diameter 1.25in,length can be adjusted by the switch,the maximum length can be extended to 31".
  • ✌✌2. Vacuum cleaner extension tube made of Stainless Steel,compared with plastic tube, his compatibility is more stable and not easy to break.
  • ✌✌3. The main connection and extension functions,big head is connected to a hose or a hand holding tube,small end is connected to the suction head.
  • ✌✌4. Fits all vacuum cleaners accepting 1-1/4 inch inner diameter attachment, compatible with Philips,Eureka, Electrolux, Shop-Vac and other household vacuum cleaners and central vacuum cleaners that requering 1-1/4inch inner hose end.
  • ✌✌5. 90-days money-back guarantee.For any reason you are not satisfied with your purchase, please contact us. Please note that it is more important to choose an accurate size, not just the brand, only the same joint size and shape can be universal.
Check Stock

Aigostar Corded Stick Vacuum, 17Kpa Powerful Suction Hardwood Floor Vacuum, Adjustable Stick Vacuum Cleaner with Washable HEPA Filter, 500W Corded Vacuum Cleaner for Hard Floor Home

  • ⭐️17KPa Powerful Suction - The stick vacuum cleaner has a compact design with powerful 500W motor, that provides up to 17Kpa suction. It can easily clean most dust and pick up small thing in our daily life. The vacuum cleaner works well for hardwood, hard floors. Its 17 feet of power cord lets you use it everywhere in the house..
  • ⭐️Advanced HEPA Filtration - Aigostar stick vacuum cleaner comes with an easy-to-clean dustbin and advanced cyclone HEPA filtration system, which can help to effectively spins fine dust away from motor and keeps powerful suction. This cyclone hard floor vacuum is perfect for a home with pets and children..
  • ⭐️Multi-purpose and Easy to Reach - The vacuum for hardwood floors has brush tool, crevice tool, and telescopic tube. When you are pushing the button on tube, you can adjust the length of tube from 17 to 28 inches. It is easy to clean under furniture or even dust or spider webs on the curtains or ceiling. Removing the tube, this lightweight vacuum can be switched into a small handheld vacuum to pick up debris on the table or in the sofa gap..
  • ⭐️Lightweight and Easy to Clean - The main body of this small vacuum cleaner is only 4 lbs. Carry the stick vacuum upstairs or between rooms with ease. Can be operat....
Check Stock

BLACK+DECKER Leaf Blower & Leaf Vacuum, 3-in-1, 12-Amp, 250-MPH, 400-CFM (BV6000)

  • HEAVY DUTY ELECTRIC BLOWER AND MULCHER: High-powered 12 amp corded blower and mulcher blows through leaves and debris at speeds up to 250 mph.Applications : Blower ideal for clearing driveways, sidewalks, decks, and garages of debris and fall leaves from yard, Heavy-duty vacuum is ideal for vacuuming leaves, grass clippings, twigs, pine needles, and other lawn debrisIncludes : (1) BV6000, (2) Disposable Bags, (1) Diffuser for Use With Disposable Bags, (1) Detachable Shoulder, Strap, (1) Concentrator, (1) Blow Tube, (1) Vacuum Tube, (1) Reusable Bag Assembly.
  • 3 TOOLS IN 1: Blower, vacuum, and mulcher keeps the yard neat and tidy.
  • NO HASSLE LEAF DISPOSAL: Disposable leaf bag system for easy clean up.
  • HIGH POWER MULCHING: Grind up to 16 bags of mulch down to 1.
  • VERSATILE CLEANING: Ideal for clearing driveways, sidewalks, decks, garages, and lawns of leaves and vacuuming leaves, grass clippings, twigs, pine needles and more..
  • Applications : Blower ideal for clearing driveways, sidewalks, decks, and garages of debris and fall leaves from yard, Heavy-duty vacuum is ideal for vacuuming leaves, grass clippings, twigs, pine needles, and other lawn debris.
  • Includes : (1) BV6000, (2) Disposable Bags, (1) Diffuser for Use With Disposable Bags, (1) Detachable Shoulder,....
Check Stock

Laboy Glass Vacuum Cold Trap 2-Part with 10 mm Serrated Hose 200mm Length Below The 24/40 Joint for Schlenk Line Organic Chemistry Lab Glassware

  • DESIGN----This is a two-piece design vacuum cold trap,the connections on the uppper parts are with serrated hose connection,The center tube with 10mm hose connections for easy connection to a vacuum gas manifold bank tubes which are also with 10mm hose connections.The serration hose connection on the side tube have an O.D.of 13mm at the smallest serration and 16mm at the largest serration. The lower part is a thick wall round bottom tube with standard taper outer joint..
  • USE----It is used to place between the experimental apparatus and the vacuum source to protect the vacuum pump,pump oil,pump pipe from contamination and the potentially damaging effects of the material,protect people who must work on the vacuum lines,prevent vapors from being emitted back into the reaction system.In a schlenk line,the vacuum trap is usually connected to the vacuum bank of the vacuum gas manifold.
  • DIMENSIONS-----This vacuum trap has 24/40 joints to assemble the two parts together, The O.D of the outer body is 30mm,the outer body below the joint is 200mm,the O.D.of the inner and side tube is 10mm..
  • HEAVY WALL ---This lab glassware is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsiu....
Check Stock

NAD Electronics C165BEE Stereo Preamplifier with Phono Section

  • As a VU meter, with dual 60*35mm large meter, can dynamically decorate audio environment and provide incomparably visual effects when switching audio signals..
  • As an audio switcher, easily to switch between two amplifiers and 2 pair of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets..
  • Powerful design and strong compatibility: all channels adopt fully isolation design, each channel's GND is independent without mutual interference. Supports all kinds of amplifier such as BTL / class A / class B / class D digital amplifier / tube amplifier etc..
  • Easy Use & Perfect Details: Powered by micro-USB 5V, with built-in protection load for speakers. With remote control, can quickly set the working status from distance. All settings can be saved after shutdown, more convenient to use..
  • Proper size with exquisite appearance: cool black case, warm VU meter and clear indicators looks vintage and dynamic, can perfectly match with a variety of usage scenarios, very suitable for audiophiles who have more than one amplifiers or speakers..
Check Stock

Riverstone Audio - 6P1P-EB Tested AND Matched Pair (2 tubes) - Vintage Vacuum Tubes - Amplitrex Tested - Replacement for 9-PIN 6P1 / 6P1P Tubes - Platinum Grade Pair - (2 tubes) 6P1P-EB

  • MATCHED PAIR 6P1P-EB NOS Vacuum Tubes – UPGRADE FOR CHINESE 6P1 VACUUM TUBES. The 6P1P-EB vacuum tube is a vintage miniature 9-pin beam-tetrode. The “-EB” designation at the end of the 6P1P tube code designates a long-life (E) and high-reliability (B) version of the 6P1P tube. IMPORTANT: These tubes ARE NOT a replacment for 6N6, 6N6P or 6N1P tubes..
  • PLEASE NOTE: 6P1P-EB (cryillic 6П1П-EB) tubes are “beam tetrodes” and CAN NOT be used as a replacement for dual triode tubes such as 6N1P (6H1П) , 6N1P-EB (6H1П-EV) 6N6 or 6N6P (6H6П) tubes. *****AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. 6P1P-EB tubes can only be used as a direct replacement for 9-PIN Chinese 6P1 tubes. Carefully determine the type of tube used in your amplifier before ordering..
  • TESTED AND MATCHED by experienced engineers using Amplitrex tube testers to evaluate the electrical parameters of the tubes. Tubes are evaluated for plate current (ip), mutual conductance, tube gain, leakage and noise. After matching, the tubes are evaluated for sound quality in an amplifier. If any deficiencies are found the tubes are not sold. Less than 50% of the 6P1P-EB-tubes we test and audition pass our standard for high fidelity audio use and are used in our Platinum....
Check Stock

BLACK+DECKER BV6000 High Performance Blower/Vac/Mulcher (Renewed)

  • The 12 amp motor operates a 3-in-1 blower, vacuum and mulcher all in one.
  • 250 mph blower with 2 speed selections. Disposable leaf bag system.
  • Weight- 8.1 pounds. Blower ideal for clearing driveways, sidewalks, decks, and garages of debris and fall leaves from yard. Heavy-duty vacuum is ideal for vacuuming leaves, grass clippings, twigs, pine needles, and other lawn debris.
  • Can grind up to 16 bags of mulch down to one.
  • Easy-change between vacuum and blower. Includes Blow Tube, Vacuum Tube, EZ-Empty reusable collection bag and Concentrator.
Check Stock