SPL Crossover User Manual

SPL Crossover User Manual

Professional fidelity mastering grade listening active analog 2-way crossover
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This User Manual is optimized for
Acrobat Reader.
Interactive buttons may not
appear in other applications.
Crossover
PHASE
ROLL-OFF | dB
Var
Var
12
-180°
Off
OUT
X-OVER
Mono
Stereo
Off
LOW
MID-HI
VOLTAiR
120V DC Audio Rail
Professional Fidelity
Mastering Grade Listening
24
On
Off
Crossover – User Manual
Active analog 2-way crossover
ON
VU
VU
LOW CUT
6
Input
20 Hz
0
12
LOW
MID-HI
Active Crossover

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Summary of Contents for SPL Crossover

  • Page 1 LOW CUT Input Mono Stereo 20 Hz MID-HI MID-HI VOLTAiR Active Crossover 120V DC Audio Rail Crossover – User Manual This User Manual is optimized for Acrobat Reader. Active analog 2-way crossover Interactive buttons may not appear in other applications.
  • Page 2 SPL Crossover. The SPL Crossover is a high-end active analog 2-way crossover that will perfectly team up your subwoofer(s) with your top speakers. You can tune crossover frequencies, align the phase response and set levels all in the analog domain.
  • Page 3: Table Of Contents

    Content Getting started LOW CUT Front view VU Meters Rear view AMP CTL (Standby / Amplifier Control) Specifications VOLTAiR – 120V Rail Technology Inputs Comparisons Outputs LOW Section Internal operating voltages OUT Mono/Stereo Power supply X-OVER | Hz Dimensions (incl. feet) PHASE Weight LEVEL...
  • Page 4: Getting Started

    Getting started Getting started Read thoroughly and follow the instructions as well as the security advices of the Quickstart which is enclosed in the scope of delivery! You can also download the Quickstart here. By pressing the -Button you get to the table of contents. By pressing the -Button you get to the front view of the unit.
  • Page 5: Front View

    LOW PHASE Switch -180° 0° Input X-OVER LOW CUT Mono Stereo 20 Hz MID-HI MID-HI LOW Mono/Stereo VOLTAiR Active Crossover 120V DC Audio Rail LOW PHASE Control LOW LEVEL VU Meter Source Switch LOW CUT VU Calibration MID-HI X-OVER On/Off MID-HI Roll-Off...
  • Page 6: Rear View

    RISK OF ELECTRIC SHOCK 3. Flip Over D O N O T O P E N 4. Reinstall Crossover AVIS: RISQUE DE CHOC ÉLECTRIQUE • NE PAS OUVRIR Made in Germany VOLTAGE SELECTION ~ 115V AC / ~230V AC, 50 Hz / 60 Hz, P max. 50 W...
  • Page 7: Voltair - 120V Rail Technology

    Music sounds absolutely natural. SPL's 120V Rail Technology is the internal audio processing voltage (+/- 60V DC). It is not to be confused with the external mains voltage (e.g. 115V or 230V AC).
  • Page 8: Comparisons

    Operating Voltage Dynamic Range Volt 120 V 141,4 30 V 124,2 OPA 134@30 V SPL-OP@120 V + / - 15 Volt + / - 60 Volt...
  • Page 9 130%. The operating level most commonly used for audio equipment is +/- 15 volts. Max. Audio Level THD&N -105 -106 33,2 -107 -109 21,5 -111 -113 -114,2 -115 OPA 134@30 V SPL-OP@120 V TL 071@30 V SPL-OP@120 V...
  • Page 10: Low Section

    LOW Section LOW Section In the LOW section you control the crossover frequency, the level, the phase of the LOW section. You also select whether your playback system has a single subwoofer or two subwoofers. PHASE -180° 0° OUT Mono/Stereo If your playback system consists of two top speakers and a single supwoofer (2.1 set-up)
  • Page 11: Phase

    LOW Section Crossover PHASE PHASE Use the PHASE switch (5) and the PHASE potentiometer (7) to time-allign the subwoof- -180° 0° er(s) with the top speakers. This is especially useful when the subwoofer is placed else- where in the room.
  • Page 12: Mid-Hi Section

    Crossover MID-HI Section MID-HI Section In the MID-HI section you control the frequency and the roll-off of the top speaker crossover. PHASE ROLL-OFF | dB -180° 0° X-OVER On/Off X-OVER If you want to drive your top speakers full range, set the X-OVER On/Off switch (8) to off.
  • Page 13: Low Cut

    LOW CUT LOW CUT PHASE ROLL-OFF | dB -180° 0° With the LOW CUT switch (11) you you engage a cut filter for frequencies below 20 Hz. The X-OVER LOW CUT Mono Stereo 20 Hz roll off is 12 dB per octave. Both the LOW and MID-HI sections are affected by this filter. It is used to filter out frequencies that do not contain musical content but demand a lot of power MID-HI from the power amplifiers.
  • Page 14: Vu Meters

    MID-HI input), LOW (subwoofer outputs), MID-HI (top speaker outputs). MID-HI -180° 0° VOLTAiR Active Crossover 120V DC Audio Rail If necessary you can lower the sensitivity by 6 or 12 dB with the VU level switch (13). The VU VOLTAiR...
  • Page 15: Amp Ctl (Standby / Amplifier Control)

    You may also use other 12V trigger controller. The Crossover is in operation mode when a switching voltage of 12 Volt DC is applied to the AMP CTL input. As soon as the 12 Volt DC is removed, the Crossover switches back to standby.
  • Page 16: Specifications

    Specifications Specifications Inputs XLR inputs • Neutrik XLR, balanced, Pin 2 = (+) • Impedance: ca. 20 kohms • CMR: -82 dBu (at 1 kHz) • Max. Input level: +32.5 dBu RCA inputs • Unbalanced • Impedance: ca. 10 kohms •...
  • Page 17: Outputs

    Specifications Outputs LOW Output • Crosstalk at 70 Hz: -70 dB • THD: 0,0014% @ 30 Hz (0 dBu) • Noise (A-weighted): -104,9 dB • Dynamic range: 136,9 dB MID-HI Output • Frequency range: MID-HI Frequency (50, 60, 70, 85.100, 120 Hz) to 300 kHz ( -3 dB) •...
  • Page 18: Internal Operating Voltages

    Power consumption: max 50 VA • Stand-by power consumption: < 0.1 W ~ 115V AC / ~230V AC, 50 Hz / 60 Hz, P max. 45 W Connect to SPL Performer Amplifier (s) for remote power on/off AMP CTL/ 12V TRIGGER...
  • Page 19: Dimensions (Incl. Feet)

    Specifications Dimensions (incl. feet) • (WxHxD) 10.94 x 3.94 x 12.99 in (278 x 100 x 330 mm) Weight • 11.90 lbs (5.4 kg), unit only • 15.43 lbs (7 kg), shipping...
  • Page 20: Important Notes

    Technical specifications are subject to change. © 2018 SPL electronics GmbH. This document is the property of SPL and may not be copied or reproduced in any manner, in part or fully, without prior authorization by SPL. Sound Performance Lab (SPL) continuously strives to improve its products and reserves the right to modify the product described in this manual at any time without prior notice.

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