Sanyo B10 (1983) | Boost-Up Speaker

There’s a simple, inexpensive way to put a lot more sound quality into your life. It's called the Sanyo booster speaker system, high-quality speakers that plug into the headphone jack of a personal cassette player...a radio/ cassette player... a  TV... a keyboard... or whatever you want to derive enhanced sound pleasure from! The Sanyo booster speaker system features a full-range, passive radiator woofer design which delivers astounding big-speaker bass sound quality from speakers a mere 10cm in diameter.

Specifications:

10-cm full-range speaker

10-cm passive radiator woofer

Impedance 6ohm

Frequency response 50-17.000 Hz

Built-in amp with 15W+15W P.M.P.O.

130(W)X280(H)X210(D) mm, 6 kg

Available in silver or red

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Lo-D jewel (1979) | Mini Component System

 

Lo-D (a Hitachi brand name for the Japanese market) introduced in 1979 the "jewel" mini component systems having only 182mm in height. The system presented here was the largest of the series and it was known as "jewel 50". The core of this system consisted of the HCC-50 tuner preamplifier partnered by two mono(!!!) power amplifiers (47W/ch 8ohm) - the HMA-50, driving a pair of 2-way loudspeakers - the HS-50. As an add-on component the matching Metal tape capable D-5M stereo cassette deck could be added at a later date. The HT-464 was the recommended turntable for this system while the LA-50M was a dedicated stand for all components. 

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AKAI AS-1080 (1976) | 4-Channel Stereo Receiver

 

Efficient performance and design. This 4/2-channel compatible receiver incorporates all the latest engineering techniques (...from 1976) and offers high performance quality yet the cost of the AS-1080 is far below what you would expect to pay for such quality. Robust 3 mm thick aluminium front panel. Easy-to-operate precise controls. It deliwers 40 watts per channel continuous power output (or 80 watts per channel at 2-CH Power Doubler), minimum RMS at 8 ohms load impedance with no more than 0.2% distortion! These outstanding specifications are the result of employing an all-stage direct-coupled OCL pure complementary 4 Power IC circuit in the all important power section. A protection circuit is activated in case of a short caused by a wrong speaker connection or when input is excessive to protect the power transistors. Further, this circuit cancels the irritating speaker shock noise when the power switch is turned on or off. This 4-channel 2-channel compatible unit, in addition to regular and discrete stereo, also features SQ Full Logic and Matrix 4-channel stereo as well as CD-4 capability. (SQ, Matrix 4, CD-4 are now defunct "surround" standards from the 70s). A rear panel Remote Control Jack accomodates AKAI optional accessory Remote Control Unit RC-4CH for remote control of front/rear and left/right speaker balance and volume. Technical data: 40 watts per channel (8 ohm 4 channels driven), 80 watts per channel (8 ohm 2 channels driven) | Power bandwidth 10 Hz to 60.000 Hz | Dimensions (WxHxD) 520x182x409 mm | Weight: 19 kg. (The AS-1080DB model added Dolby FM and 4-channel Dolby level calibration)

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