Technics EAB-3007/SB-3007(Technics5)
¥ 98,000 (1 unit, released in July 1966)
¥ 128,000 (1 unit, around 1971)
Commentary
A three way floor speaker system using a horn type unit.
The model number of Technics5 was initially EAB-3007, but later changed to SB-3007.
A 30 cm cone woofer EAS-30PL40 is mounted in the low range.
The distortion factor is reduced by adopting UL edge for the edge part, and the vibration system mass is increased to lower fo.
The EAS-50HM15, a horn type squaker, is mounted on the mid-range.
Duralumin is used for the driver diaphragm, and transient characteristics are improved by using a strong magnet.
A 5-mm-thick cellular horn made of aluminum alloy is mounted on the front of the enclosure to improve directional characteristics.
The EAS-5HH45 horn type tweeter is installed in the high range.
Equipped with level control for middle and high range.
The enclosure is hermetically sealed.
Model Rating
Method | 3-Way, 3-Speaker, Airtight System, Floor Type |
Units Used | For Low Range : 30 cm Cone Type (EAS-30PL40) For Middle Range : Horn Type (EAS-50HM15) For High Range : Horn Type (EAS-5HH45) |
Playback frequency band | 20 Hz to 20 kHz |
Impedance | 16 Ω |
Output sound pressure level | 92dB/W/m |
Allowable input | 30W |
Crossover frequency | 600 Hz, 7 kHz |
External dimensions | Width 660x Height 940x Depth 464 mm (including horn projection 120 mm) |
Weight | 45kg |