Vacuum Tubes

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In electronics, a vacuum tube, electron tube (in North America), thermionic valve, tube or valve is a device controlling electric current through a vacuum in a sealed container. The container is often thin transparent glass in a roughly cylindrical shape. Within the glass is a vacuum with a cathode and anode at either end. Electrons flow from the cathode to the anode through the vacuum, a demonstration of the Edison Effect. The introduction of a grid between the cathode and anode makes it possible to amplify a current. A weak current applied to the grid will be amplified by the current traveling through the vacuum and will be available at one of the tubes electrodes.[1]

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FoodSaver T03-0023-01 Wide-Mouth Jar Sealer

For those who cook large quantities of food, FoodSaver vacuum packaging systems offer excellent protection against food spoilage and freezer burn. This jar sealer attachment fits on wide-mouth mason jars and is for use with any FoodSaver machine that has an accessory port. The top forms a tight seal on mason jars while the tubing removes air from the jar with the help of a FoodSaver machine. The jar sealer works equally as well in packaging liquid foods, such as jams or chocolate sauces, as it does for dry goods, such as brown sugar or spices. While vacuum packaging is not a substitute for traditional canning methods, it does keep food fresh three to five times longer than keeping it in a plastic food storage container in the refrigerator. --Cristina Vaamonde

FoodSaver V3020 Vertical Vacuum Sealing System With Starter Kit

The FoodSaver V3020 Vacuum Sealing System keeps food fresh up to 5x longer based on buying on bulk, on sale and preventing waste. The convenient vertical design saves countertop space, the large, easy-to-read control buttons makes for easy operation, and the two sealing levels are great for different types of foods. The starter kit includes one 11-inch by 10-foot FoodSaver roll, one 8-inch by 20-foot FoodSaver roll, eight 1-quart Heat-Seal bags, and two 1-gallon Heat-Seal bags.


Understanding Tube Amps

Series: DVD Publisher: Kendrick Videos Format: DVD Author: Gerald Weber Kendrick Amplifiers President Gerald Weber has overhauled and serviced over 15,000 vacuum tube guitar amplifiers, designed dozens of new model amplifiers and has produced thousands of boutique tube guitar amplifiers. This DVD will transform your experience of tube guitar amplifiers forever. Whether you are a beginner or a seasoned pro, you will never see tube guitar amplifiers the same again. Topics covered include: AC and DC voltage and current ? resistance ? capacitance ? capacitive reactance and how this affects frequency response ? voltage division and how this principle is used over and over again in an amp ? rectification (half-wave and full wave) ? tone shaping (how to sculpt tone from a tube circuit) ? Ohm's law and its variations ? vacuum tube types and how they work (diode, triode, tetrode, pentode) ? preamps and the anatomy of a gain stage ? Class A and Class AB differences ? single-ended output stages and push-pull output stages (how they work and how to recognize them) ? five types of phase inverters (advantages and disadvantages of each) ? power supplies (economy, half-wave, full-wave, full-wave bridge) ? applications of these principles (anatomy of the Tweed Deluxe, Tweed Bassman and Blackface Super Reverb) ? and much, much more! Inventory #HL 00332895 UPC: 884088412470 Width: 5.25" Length: 7.5"


1000 Vacuum Tubes




Demo Tracks [Explicit]




Black & Decker NS118 18-Volt Cordless Electric Broom Hard Surface Sweeper

The Black & Decker 18 Volt Cordless Broom Hard Surface Sweeper makes it convenient to keep your grounds free of debris. Leaves and debris are swept away by up to 120 mph air speeds, and the cordless, lightweight design makes it easy to handle and control. The rechargeable battery releases easily and stores in the included charger, so it's ready to work when you are.

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A lightweight, cordless design makes this hard surface sweeper easy for anyone to handle. View larger.Rechargeable Power Cuts the Cords
An included 18-volt rechargeable battery delivers enough power to clear garages, walkways, and decks of any loose debris. Since there are no cords to worry about, you're free to reach the remote corners of your property without needing to search for an available outlet. The battery stows in the charger and is fully charged in eight hours. You can also swap the battery among your other Black & Decker cordless lawn tools.

Less Noise and No Emissions
Black & Decker designed this sweeper to dramatically cut back on noise levels common in many other sweepers or blowers. Less noise helps protect your hearing and makes using the sweeper a much more pleasant experience, for you and your neighbors. There's no messy up-keep found with blowers that use gas and oil, and zero emissions to harm the environment.

Light Weight for Easy Use
At less than five pounds, the cordless broom is light enough for almost any user. Its light weight makes it easier to control where debris goes. The tool also features a large single on/off switch makes operation simple.

The Black & Decker 18 Volt Cordless Broom Hard Surface Sweeper is covered by a two-year warranty.

What's in the Box
NCS118 Black & Decker 18 Volt Cordless Broom Hard Surface Sweeper, straight tube, 18-volt battery charger, 18-volt battery pack #244760-00

The NS118 makes it simple to keep garages, walkways, patios, decks, and other hard surfaces clean and clear.

Toro 51585 Power Sweep 7 amp 2-Speed Electric Blower

7.0A motor generates a powerful air speed of 160 mph with a minimum speed of 130 mph. Air volume at 155 cfm. 2 speed air control is perfect for clearing leaves and debris from sidewalks, decks, and driveways. Lightweight and easy to use. Unit weight: 4.6 lb. 2 year warranty.


Delta Faucet 75700 Universal Showering Components 7-Setting Handshower, Chrome

Chrome, 7 Spray/Massage, Rub Clean Hand Shower, 6' Flexible Hose, Shower Arm Mount.


Audio Tubes, Shredders, Model Aircraft, Snare Drums




Tube Guitar Amplifier Servicing & Overhaul

Kendrick Amplifier President and Vintage Guitar magazine columnist Gerald Weber has overhauled and restored over 15,000 vintage tube guitar amps. This extensive DVD covers: basics of servicing and overhauling a tube guitar amp, what tools are needed, the wiring mistake made on 50% of all amps and how to correct it, the best way to straighten preamp tube pins, how to perform a cap job correctly, the different types of Silverface amps and how to convert each to Blackface, how to identify leads of an unknown transformer, how to make perfect chassis grounds, and much, much more! Nearly four hours.

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