JAMO SUB 200 Owner'S Manual Download | Manualshive

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Technical Description

Jamo SUB 250, 300, 550, 650

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Summary of Contents for SUB 200

Page 1: ...Technical Description Jamo SUB 250 300 550 650 ...

Page 2: ...levels SPL without compromising the sound quality It is quite easy to make a subwoofer play loud but it is a challenge at the same time to maintain precision and musicality This turned out to require development of completely new drivers and new amplifiers as well as a new approach to manufacturing the cabinets since it was clear very early in the development process that a new way of bass reflex ...

Page 3: ...rted construction is used here as in the SUB 250 But with more cabinet volume allowing for deeper tuning more power and a 10 driver this subwoofer is capable of reaching down to 28 Hz 6dB Still with musical fidelity and a flat frequency response see figure x The level control is placed on the front of the subwoofer elegantly integrated in the design with a soft blue light indicating the volume set...

Page 4: ... is no bass reflex port to contribute to a high SPL it delivers 110 dB sound pressure level The advantages of a closed cabinet is absolutely absence of port noise and an even better timing resulting in a musical fidelity that is even more accurate and exact than conventional ported systems The SUB 650 is intended for high performance bookshelf and floorstanding speaker systems The SUB 650 is capab...

Page 5: ... is based on a continually variable supply voltage which tends to zero when there is no input signal and reaches its highest level when the amplification requires power This supply voltage is continuously variable but always lower than that of an AB class amplifier and thus a much higher efficiency is achieved The outstanding energy efficiency 85 achieved by this technology allows very high output...

Page 6: ...lification depends on the actual room and where you are positioned normally it increases the closer you get to a wall which also means that the problem gets worse the smaller the room This can result in too high bass level from approx 60 Hz and increasing downwards In the range between 20 30Hz it easily peaks up to 10dB At first impression this could sound really impressive but especially when lis...

Page 7: ...ne is moving Sub 450 550 For the SUB 450 550 a 10 driver is chosen The driver features an Ø 38mm 4 layer voice coil with an X max at 15mm allowing for high excursions The heavy magnet system features a vented pole piece in order to avoid over under pressure behind the dust cap mechanical damping when the cone is moving Sub 650 For the SUB 650 a 12 driver is chosen The driver features an Ø 50mm 4 l...

Page 8: ...In normal setup the port is radiating towards the rear wall giving an even higher efficiency at very low frequencies ...

Page 9: ...W 250 300 550 650 Frequency range Hz 30 150 3dB 28 150 3dB 26 150 3dB 24 150 3dB Impedance Ohm 22 kOhm 22 kOhm 22 kOhm 22 kOhm 12 V trigger No no no yes Phase Yes variable Yes variable Yes variable Yes variable Cut off frequency Hz 40 150 40 150 40 150 40 150 Limiter Yes yes Yes yes Boundary Gain Comp No No Yes switch Yes variable Outer dim HxWxD mm 325x266 5x468 5 378x310x507 396x325x530 419x400x...

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