Boston Acoustics

A70 (Rev. 2)

Speaker

Main Details
Maker Boston Acoustics Brand Andy Petite Designer
Function
Form Factor Bookshelf / Stand Mounted
Signal Path Passive Hardware
Date Produced 1981-198?
Dimensions
(H × W × D)
Weight 26lbs
Frequency Response 40Hz-25kHz ±3dB
Notes Tweeter changed from earlier SEAS with round faceplate to an in house built square faceplate tweeter. Minor refresh of labeling to match the new models released in 1981.
Additional Specifications
Treble 1" Soft Dome Ferrofluid
Midrange/Bass 8" Paper Cone
Sensitivity 90dB/2.83V/m
Impedance (Nominal) 6Ω
Impedance (Minimum) 4Ω
Crossover Frequency 2kHz
Crossover Slope 6dB/Oct First Order
Recommended Amplifier Power 15-75W
Power Rating (Nominal) 75W
Power Rating (Peak) 150W
Enclosure Type Sealed
Enclosure Construction Particleboard
Finish Wood grain vinyl
Connections
Input Spring Terminal

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