2 1/2 WATT
Ramsey Electronics Model No. BN9
Keep several of these for:
Audio booster amps for radios, Walkmans etc.
High sensitivity long distance listening amplifier for ‘Big Ear
super sleuth’ snooping!
Mini PA systems
Anywhere some quick audio amplification to speaker level is
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.