|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
24.21.110.29
I came across this at an estate sale. It has (3) 6CB6 tubes, has a copper chassis.
Follow Ups:
Those Jerrold units were RF amplifiers used in community TV systems. A TV antenna was placed on a hill or mountain top with a long run of coax cable brought down into a community. The Jerrold amplifiers were placed inline with the coax cable every few miles to ensure good signal strength and signal-to-noise ratio and the amplified TV signal was distributed into homes also via coax cable. The home owner paid a subscription fee for clear TV reception w/o having to erect his own antenna.
Yup, that's why it used to be called "CATV". Some apartment buildings used it for quite some time because rabbit ears just suck in them. Also, because of the UHF losses in the coax they started downconverting UHF to unused VHF channels. Later TVs came out with the CATV "band" which allowed them more channels.
Edits: 05/10/17
FAQ |
Post a Message! |
Forgot Password? |
|
||||||||||||||
|
This post is made possible by the generous support of people like you and our sponsors: