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Audio booster amps for radios, Walkmans
etc.
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Replacement amplifiers
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High sensitivity long distance listening
amplifier for ‘Big Ear super sleuth’ snooping!
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Mini PA systems
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Telephone amplifiers
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Intercom systems
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Anywhere some quick audio amplification to
speaker level is needed
Keep several of these for:
The BN9 combines a high gain transistor pre-amp with the powerful LM-380 audio amplifier for over two
watts of audio. Your choice of either a gain of 50 or 3000! Runs on 8 to 15 volts, drives any speaker from
3 to 45 ohms with less than one percent distortion.
Kit No. BN9
