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2. 6V6 - Wikipedia

   en.wikipedia.org/wiki/6V6

   Additionally, the 6V6 had applications in portable battery-operated radios. [ 6 ] The data sheet information supplied by the tube manufacturers' design-centers list the typical operation of an audio output stage for a single 6V6 as producing about 5W of continuous power, and a push-pull-pair about 14W.

3. The 7 Best HDTV Antenna Amplifiers of 2023 For a Better Signal

   www.aol.com/lifestyle/best-high-definition-tv...

   8-Port TV Distribution Amplifier. For households with multiple TVs, the Antennas Direct 8-Port TV Distribution Amplifier can split a signal with no noticeable impact on signal quality.

4. Portable media player - Wikipedia

   en.wikipedia.org/wiki/Portable_media_player

   Most DAPs are powered by rechargeable batteries, some of which are not user-replaceable. They have a 3.5 mm stereo jack; music can be listened to with earbuds or headphones, or played via an external amplifier and speakers. Some devices also contain internal speakers, through which music can be listened to, although these built-in speakers are ...

5. Antenna amplifier - Wikipedia

   en.wikipedia.org/wiki/Antenna_amplifier

   Belden 1829AC Coax - Series 6 has a loss of 4 db/100 feet at 500 MHz (TV Channel 18)- 495.250; Channel 32 which is 580 MHz, Channel 52 is 700 MHz a 5 db loss At TV channel 2, the cable would have a loss of 1.4 db. So at channel 18 you would lose more than 1/2 the power in 100' of cable between the antenna and the TV.

6. Sinclair Radionics - Wikipedia

   en.wikipedia.org/wiki/Sinclair_Radionics

   In April 1976, the National Enterprise Board bought a 43% stake in Sinclair Radionics for £650,000, and in October the National Research and Development Council agreed to provide £1 million for a revived portable TV project, which was finally launched in January 1977 as the Microvision TV1A and MON1A at £99.95. Supply exceeded demand, and ...

7. Audio power - Wikipedia

   en.wikipedia.org/wiki/Audio_power

   For most audio applications more power is needed at low frequencies. This requires a high-power amplifier for low frequencies (e.g., 200 watts for 20–200 Hz band), lower power amplifier for the midrange (e.g., 50 watts for 200 to 1000 Hz), and even less the high end (e.g. 5 watts for 1000–20000 Hz).