Is the history of the radio receiver fascinating?
The history of the radio receiver is an integral part of the development of today’s radio technology, and it is a fascinating story to see how we arrived at where we are today.
Why was the regenerative radio receiver so successful?
These regenerative receivers proved to be very successful. The amount of feedback could be adjusted to the point of oscillation, and this greatly increased the gain and selectivity, enabling this type of receiver to out-perform all other forms.
Why was the range of a radio receiver limited?
When a spark was made to jump across the gap in the transmitter circuit, a smaller but simultaneous spark would be seen to jump across the gap in the second. Naturally the range of this arrangement was very limited, mainly because the receiving circuit had to pick up a large amount of energy for the spark to jump across the gap.
How did the coherer become the basis for radio reception?
A device called a coherer became the basis for reception, and remained in widespread use for about ten years. The coherer is based around the effect that had been known since the 1850s that small particles of dust or even metal filings stick together or cohere when an electric field is present.
Is it a mistake to buy a 1970’s receiver?
All the hoopla about 1970’s-1980’s receivers as having terrific sound and build quality is mostly hype. First of all, the dramatic rise in prices for these units is being driven by Ebay. Why not overpraise an old, essentially useless, piece of equipment to raise prices?
What can I do with the Onkyo tx-sr606 7.1 channel receiver?
Courtesy of HDMI 1.3a, the TX-SR606 offers integrated system control with selected HDMI-compatible high-definition displays, DVD and harddisk recorders, and Blu-ray Disc players.With one remote control, you can control several functions, including Standby,Volume Command and Direct Change.
Can a tx-sr606 play 1080p video?
Apart from 1080p video, the TX-SR606 can upscale all video signals to 1080i, regardless of the connection, for output via HDMI.
How much is an old Sansui 9090 receiver worth?
Once everyone starts doing this an impression is formed that these boat anchors must sound great. A few years ago a Sansui 9090 receiver was worth maybe $60. Now, people are falling over each other to bid hundreds of dollars. There is excellent vintage audio gear of the 1970’s and 80’s but it ain’t mass market solid state receivers.
