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4959 |
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| A superb car stereo active crossover that offers a wide range of functions. The compact unit offers two outputs for feeding two sets of subwoofers (normal and boost), a rear 3-way crossover, and a front 3-way crossover, with each section having an output level control (7 in total). All the connectors are gold plated, and are marked inputs for subwoofer, rear and front; outputs for front - low, mid, high; rear - low, mid, high; subwoofer - normal and boost. The subwoofer section has a normal low-pass, frequency selectable output with a 12dB or 18dB/octave slope, and the added facility of a switchable 0 or 180° phase change. With the boost output, all the controls are common to normal output with the addition of 45Hz or 80Hz boost switch and boost level control. A rear input on/off switch is provided.The front and rear sections feature a comprehensive selection of crossover points to tailor the sound output for individual tastes and vehicles. The high frequency crossover features a 0 or 180° phase change switch. Additionally, the rear section has an input on/off switch. Screw terminals are provided for connection to the vehicle's 12V supply and include a remote on/off facility. There are no fuses in the unit, therefore it is essential that the unit is powered from a fused supply. The unit is finished in a graphite grey colour with light grey legend. |
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normal output: |
60Hz, 80Hz, 120Hz, 180Hz |
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boost output: |
as normal with 45Hz or 80Hz boost |
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low bandpass: |
50Hz, 80Hz, 120Hz, flat - high |
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mid bandpass: |
50Hz, 80Hz, 120Hz, flat - high |
| high: |
2.4kHz, 3.5kHz, 5kHz, 7kHz |
with 0 or 180° phase change |
| subwoofer: |
12dB or 18dB/octave |
(▒3dB), selectable |
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rear/front: |
12dB/octave (▒3dB) |
| Input impedance: |
10k |
| Output impedance: |
1k |
| Power requirements: |
12V DC, 0.5A max. negative |
ground |
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