SPL Crossover
Analog active two-way crossover from SPL's Professional Fidelity series, for splitting a stereo signal between main speakers and a subwoofer or bass speaker in an analog hi-fi chain. It is no longer in production and has been succeeded by the Crossover Mk2.
- Analog active 2-way crossover, 50–120 Hz in 6 steps
- Low slope 24 dB/oct; Mid-Hi slope 12 or 24 dB/oct, or off
- Variable phase control, Low Cut at 20 Hz, sub level ±10 dB
- XLR and RCA inputs; balanced XLR Low and Mid-Hi outputs
- AMP CTL standby control for up to four 12 V trigger devices
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The Crossover divides the signal into a Low section for a bass speaker or subwoofer (mono or stereo) and a Mid-Hi section for the main speakers. Both crossover frequencies are set separately in six steps between 50 Hz and 120 Hz. The Low filter has a fixed slope of 24 dB per octave, while the Mid-Hi filter switches between 12 and 24 dB per octave or can be turned off so the main speakers run full-range.
A switchable phase control (0° or -180° with a variable adjustment) aligns the subwoofer with the main speakers and drops out of the signal path when off. A Low Cut filter removes content below 20 Hz, and the subwoofer level can be changed from -10 dB to +10 dB. Two mechanical VU meters show the input levels, with a switch to adapt the display to different signal levels. The audio stages use SPL's 120V (VOLTAiR) technology with +/-60 V operating voltage.
Inputs are balanced XLR and gold-plated RCA. Outputs for Low and Mid-Hi are balanced XLR. The AMP CTL connection switches standby on up to four devices with a 12 V trigger input together with the Crossover, and can also let a preamplifier switch the Crossover's own standby.
Vidjo
Speċifikazzjonijiet
- Marka
- SPL
- Mudell
- Crossover
- Kategorija
- Hi-Fi u awdjo tad-dar › Hi-Fi ieħor
Crossover
- Crossover frequencies
- 50 Hz to 120 Hz, 6 positions (Low and Mid-Hi set individually)
- Low filter slope
- 24 dB per octave
- Mid-Hi filter slope
- 12 dB or 24 dB per octave (switchable)
- Phase control
- 0° or -180°, variable
- Low Cut filter
- below 20 Hz
- Low level adjustment
- -10 dB to +10 dB
- Low output mode
- Mono or stereo
Inputs
- Analog inputs
- XLR (balanced) and RCA (gold-plated)
- Input impedance (RCA)
- 20 kΩ
- Input impedance (XLR)
- 20 kΩ
Outputs
- Outputs
- Low and Mid-Hi, balanced XLR
- Output impedance
- 75 Ω
- Maximum input & output gain
- 32.5 dB
Audio
- Frequency range (-3 dB)
- 10 Hz – 100 kHz
- THD (0 dBu, 1 kHz, MID-Hi filter on)
- 0.0008 %
- THD (0 dBu, 30 Hz, LOW filter on)
- 0.0014 %
- Noise (A-weighted, MID-HI output)
- -106 dBu
- Noise (A-weighted, LOW output)
- -104.9 dBu
- Dynamic range (MID-HI output)
- 138 dB
- Dynamic range (LOW output)
- 136.9 dB
- Crosstalk (1 kHz)
- -70 dBu
- Common mode rejection (XLR)
- -82 dBu
Power
- Mains voltage
- 230 V AC / 50 Hz; 115 V AC / 60 Hz (selectable)
- Power consumption
- max. 50 VA
- Stand-by power consumption
- < 0.3 W
- Operating voltage for analog audio
- +/- 60 V
Physical
- Dimensions (W x H x D)
- 278 x 100 x 300 mm
- Unit weight
- 5 kg
- Shipping weight
- 5.95 kg