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diskonekted

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Antique Tube Radio COLOMBO PLAN ByThom & Smith

A rare tube radio produced by Thom & Smith, Sydney - Australia. It reads "Australian Assistance to Indonesia in the Colombo Plan".

Shan Sue Tubes Radio HPR 120

It is expect that nearly every household in the United States has at least one radio. The invention of the radio was dependent upon two previous discoveries: the electromagnet and telegraph. The electromagnet was discovered in 1825. This discovery opened the doors to global communication! Five years later, Joseph Henry successfully transmitted an electric current via wire which was stretched over a mile and which caused an electromagnet to trigger the sounding of a bell. T...

Trio TS-520 D Transceiver

The Kenwood TS-520 is designed for SSB and CW modes in the 80 through 10 meter ham bands. It also features...

Marshall JCM 25/50 2555X Silver Jubilee

The 2555X is a faithful recreation of the original. A classic Marshall tube array of three ECC83 preamp tubes and four...

Marshall AS50R Acoustic Amp

Overview The Marshall AS50R Acoustic Amp has 2 channels (one for an acoustic instrument, the other for a...

Tube Receiver Harman Kardon Festival 1000

Tubes : 12AT7 6U8 6BE6 12AU7 6BA6 6AU6 12AT7 6AU6 6AL5 12AU7 12AU7 5881...

Fisher 70A Tube Amplifier 25 Watt

This is old schematic of Fisher Amplifier 70A series. Specification Power...

Tube 807 Push Pull Amplifier Stalien

Stalien 807 integrated amplifier uses 807 tubes in triode mode, chosen. The amplifier has enough control and power....

Tube 12X7 Preamp Hifi Schematic

The preamp schematic is based around a common 12AX7 dual triode. The line level (Hi-Fi) version of the schema has...

Black And Grey Plates Tubes

Why do some old radio tubes have black plates and others with gray plates? Why are black plate tubes worth more expensive...

Some Old Schematics Books (1)

Here are some of my old schematic collection books. These books contains electronic schemes from the ancient times. For those of you...

Preamplifier Tube 12AX7 Project (1)

Tube preamplifiers such as the 12AX7 series are currently very rarely used, because of the many new preamplifier products that rely more...

Old Books