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2. McIntosh MC-2300 - Wikipedia

   en.wikipedia.org/wiki/McIntosh_MC-2300

   During the 1970s, the MC-2300 was an expensive piece of audio equipment, with a retail price of $1799 by the time of its discontinuation in 1980. [1] That being said, its outstanding power and sound production quality made it a valued part of many recording studios and although some people prefer the sound of tube amplifiers, the overall greater reliability and freedom from repair of the newer ...

3. Linear amplifier - Wikipedia

   en.wikipedia.org/wiki/Linear_amplifier

   The increase in efficiency can allow a given vacuum tube to deliver more RF power than it could in class A or AB. For instance two 4CX250B tetrodes operating at 144 MHz can deliver 400 watts in class A, but when biased into class C they can deliver 1,000 watts without fear of overheating. Even more grid current will be needed.

4. PS Audio - Wikipedia

   en.wikipedia.org/wiki/PS_Audio

   The Mono 300 produces 300 watts into 8Ω, 600 into 4Ω and more than 1,000 watts into 2Ω. The Mono 300 doubles the output current with half the impedance of the stereo model, by doubling every internal component of the 250 into one unit: double tubes, double power supplies, transistors, capacitors and resistors.

5. RF power amplifier - Wikipedia

   en.wikipedia.org/wiki/RF_power_amplifier

   A radio-frequency power amplifier (RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency (RF) signal into a higher-power signal. [1] Typically, RF power amplifiers are used in the final stage of a radio transmitter , their output driving the antenna .

6. 833A - Wikipedia

   en.wikipedia.org/wiki/833A

   A pair of 833A's with adequate forced air cooling can deliver 1000 watts of CCS RF power operating as a class C amplifier plate modulated stage. A pair of tubes used in a class B modulator can deliver 1800 watts of "peak" AF power in ICAS service with speech, or 1600 watts in CCS service with music or high duty cycle operation. Two 833A's are ...

7. Doherty amplifier - Wikipedia

   en.wikipedia.org/wiki/Doherty_amplifier

   The Doherty amplifier is a modified class B radio frequency amplifier invented by William H. Doherty of Bell Telephone Laboratories Inc in 1936. Whereas conventional class B amplifiers can clip on high input-signal levels, the Doherty power amplifier can accommodate signals with high peak-to-average power ratios by using two amplifier circuits within the one overall amplifier to accommodate ...