valve preamps

Stone Vintage Radio - Antique Radios, Wireless, Crystal Sets, Tubes, and Valves - Stone vintage radio describes early radio from marconi to the 1960s. its covers antique radio, wireless, tubes, valves, crystal sets, and battery radios. included in the virtual museum are hundreds of pictures, images, and descriptions of antique radios, articles, faq, sell, and buy a radio.

Oldradios.co.nz - A new zealand radio servicemans personal tribute to old 'boatanchor' valve communications receivers, dx listening posts of the 1950's, early radio literature, vacuum tube (valves) collection, early tube testers, unusual

Australian Vintage Radio - How old is my valve Radio? this website host a reference of model numbers and year of manufacture for many antique radios

The Vintage valve technology fair - The newest and biggest vintage event in the NW UK. Next event Sunday 7th March 2004 and thence every six months thereafter. See you there!!!!!

Boat Anchor Manufacturers - Excellent and comprehensive history of Boat anchors manufacturers. Here are some manufacturers that boat anchor collectors should look out for: Barker & Williamson Central Electronics Collins Radio Company E. F. Johnson Company Gonset Company Hallicrafters Hammarlund The Heath Company National Radio Company R. L. Drake

Vintage Radios - Purveyor and Collector of Antique/Vintage Radios, Valves (Tubes) and Service Data for many radios. Alba Bush Champion Cossor Dansette Decca Defiant Eddystone Ekco Emerson Etronic Eveready Ferguson Ferranti GEC Grundig HMV Invicta Kolster-Brandes Lissen Marconi Masteradio McMichael Mullard Murphy Pam Perdio Philco Philips Pilot Pye Regentone RGD Roberts Sobell Sony Stella Strad Ultra Vidor

Adrian's British - A site mainly concerning British Portable Valve Radios of the 1950's

Vacuum Tube (Electronic Valve) Museum - Vacuum tube museum 1910 to 1960 with pictures and notes.

Valve Data Sheets - This web page has full data sheets for a number of commonly used valves. Most are Eimac and include the 2C39A, 3-500Z, 3-1000Z, 3CX1500A7, 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. These are not avialable on Eimac's web site in full - only brief notes.

RA17 series valve subs - Discussion of the various valve types which may be used in the Racal RA17/117 HF receivers

Kiwa Electronics - Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast. Our products include Filter Modules to improve receiver performance, a High Performance Medium Wave Air Core Loop Antenna for improved broadcast band reception, the Pocket Loop Antenna, the Earth Monitor, BCB Rejection Filter and Broadband and SW Preamps. We also offer numerous performance upgrades for popular receivers.

J-Tec - Ham Radio products, Antenna Switches, Receiver Preamplifiers, Preamps

HD Communications - Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes

Valve radios - Viking SW design and produce valve (tube) receivers for the ham and SWL.

Mmicronetics - Electron tubes / valves NOS and new production

Invention of Thermionic Valve

Australian Vintage Radio - STC, AWA, Valve Radio, Airzone, Kriesler, Mullard, Western Electric, dating Australian radios

BEIJING ELJVT - Sell the China made electron tubes over a long period of time, the vacuum tubes/electron valves/Power tubes/Audio Tubes/Thyratrons/Magnetrons and accessories, the tube sockets, the vacuum capacitors, high voltage ceramic capacitors, aluminum electrolytic capacitor.

The Tube Center - Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

TubesWorld - Dealer for valves and semiconductors

Finite difference program - This software is able to calculate the properties of odd shaped transmission lines. Particularly good in valve amplifier design, for aiding the design of transmission line resonators.

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

KI0LE Amplifiers and Preamps - Picture gallery of vhf uhf amplifiers

Homebrew projects by dl5dbm  ^pop Priority listing - KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more

GaAs FET preamps - Build a good GaAs FET preamp for 2 meters, 222 or 440 Mhz