| 11. | BMS phonographs lacking a power amplifier or internal speaker could have an optional preamplifier.
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| 12. | Instruments may be built with an internal preamplifier, or may put out a overdrive.
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| 13. | Often such harps include an onboard preamplifier.
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| 14. | It is typical for a mixing board to include a line trim after the preamplifier.
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| 15. | A : The best way to do this is to buy a device called a preamplifier.
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| 16. | This eliminated the need for a preamplifier triode in radios, making them cheaper to produce.
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| 17. | The preamplifier molecule has two domains.
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| 18. | Microphones typically need to be connected to a preamplifier before the signal can be recorded or reproduced.
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| 19. | Microphones also need some type of microphone preamplifier to prepare the signal for use by other equipment.
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| 20. | A common setup is the use of a tube preamplifier with a solid-state power amplifier.
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