Kenwood 4070 (1977)

A solid-state receiver from Kenwood, noted for 40 watts per channel output and a distinctive "bat-wing" rectifier unit.

Overview

The Kenwood 4070 is a receiver produced in 1977, marketed as a high-powered unit capable of delivering 40 watts per channel. It supports FM and AM (MW) broadcast bands and was advertised with a price point of $189 in campus classifieds. Units were sold new for $120, according to owner recollections. The receiver features a "bat-wing" rectifier unit, which has been referenced in user discussions regarding maintenance and repair.

Specifications

Product type	Receiver
Power output	40W per channel
Frequency response	20 Hz to 20 kHz at 8 ohms
Tuning range	FM, AM (MW)

Design

The unit contains a "bat-wing" rectifier unit, a component noted in user reports for potential failure or removal during troubleshooting.

Market

Common issues reported include loud buzzing distortion on power-up, complete lack of audio output, and failure of headphone amplification. Some units have powered on with functional indicator lights but no sound. The receiver was sold new in 1977 for $120, while classified ads from the era list it at $189.

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