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Year: 1990 | Category: Loudspeaker, headphone or earphone |
Wave bands | - without |
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Details | |
Power type and voltage | No Power needed |
Loudspeaker | 2 Loudspeakers |
Power out | 80 W (unknown quality) |
from Radiomuseum.org | Model: Speaker System APM-121ES - Sony Corporation; Tokyo |
Material | Wooden case |
Shape | Book-shelf unit. |
Dimensions (WHD) | 250 x 430 x 295 mm / 9.8 x 16.9 x 11.6 inch |
Notes | Bookshelf two-way bass-reflex speaker system. Square woofer 140x140mm with sandwich honeycomb aluminum diaphragm and 19mm dome tweeter with aluminum diaphragm. Cross-over @ 3kHz,nominal impedance 8Ω, sensivity 88dB SPL at 1 metre for 1 watt. Frequency response 35Hz-20kHz, power handling 80W sine (140W music). Finish: black oak with black grill cloth. This model was developed for "european ears" and manufactured in Germany (and maybe also in United Kingdom?). APM means "Accurate Pistonic Motion". |
Net weight (2.2 lb = 1 kg) | 9 kg / 19 lb 13.2 oz (19.824 lb) |
Mentioned in | Gramophone (UK), July 1990 |
Model page created by Georg Richter. See "Data change" for further contributors.
All listed radios etc. from Sony Corporation; Tokyo
Here you find 3557 models, 3410 with images and 753 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.