User manual

SX21 Tiny Two-Way Crossover
Rolls Corporation
Salt Lake City, UT
5/10
- Studio
- Live
-
Install
... anywhere you need compact, accurate
frequency separation.
SX21 Crossover
WARRANTY
For information on the Rolls One Year Limited Warranty, and
to register this product, visit our website at
www.rolls.com
SPECIFICATIONS
Input Impedance: 10
K O
hm
Output Impedance: 1
K Ohm
Headroom: +10 dBV
Power Requrements: 12 - 16 VDC, 150 mA;
Rolls part number PS27
Size: 4.25" x 3.625" x 1.5"
Weight: 1 lb.
SX21
Tiny Two-Way Crossover
The SX21 is a unique frequency dividing device for small
Tiny Two-Way Crossover
Tiny Two-Way Crossover
sound reinforcement applications. The unit features a 24
dB/Octave rolloff rate, a frequency dividing range of 50Hz to
2.5kHz, and an external power supply for noise reduction. All
this in a compact package with a compact price.
• 24 dB/Octave rolloff
• 1/4" unbal. Input and Outputs
• 50Hz to 2.5 kHz crossover range
• External power supply for low noise operation
INTRODUCTION
Thank you for your purchase of the SX21 Tiny Two-Way Crossover.
Please review this manual to get the best performance from this
unit.
DESCRIPTION
FRONT PANEL
INPUT: Adjusts the input level to
the SX21.
FREQUENCY: Selects the
crossover frequency from 50Hz to
2.5kHz.
LOW LEVEL: Adjusts the amount
of output signal from the LOW OUT jack.
HIGH LEVEL: Adjusts the amount of output signal from the HIGH
OUT jack.
CLIP LED: Indicates overload in the SX21. This LED lights 3 dB
before actual circuit clipping occurs.
PWR LED: Indicates the SX21 power supply is connected to the
unit and an AC outlet.
REAR PANEL
(Note: The rear panel jacks are
labeled on the top of the unit.)
INPUT: 1/4" TS unbalanced jack
for connecting to the output of a
mixer or other device containing
the signal to be divided.
LOW OUT: 1/4" TS unbalanced
jack containing the signal of frequencies
below
the crossover fre-
below
below
quency.
HIGH OUT: 1/4" TS unbalanced jack containing the signal of fre-
quencies
above
the crossover frequency.
DC IN: For connection to an external power supply, 12-16 volts DC,
150 mA; Rolls model PS27.
OPERATION
Connect the Input of the
SX21 to the output of a
mixer or other device that
has the signal to be divided.
The High and Low Outputs
of the SX21 should be
connected to the proper
amplifier and speaker com-
bination. Check speaker
specifications to ensure that
the speakers are receiv-
ing the proper frequencies.
Shown here is an example
for connecting the SX21.
SX21 Crossover
SX21 Crossover