L P S S E R I E S
LPS SERIES
he LPS Series of power amplifiers from
Crown® represents a new era in afford-
Table, quality power amplification. All three
models in the series are powerful, rugged and
reliable. They are suited for applications such as
churches, concert tours, stages, disco, pubs, or
any place that requires amplifier installation.
The three models in the series are the LPS-
800, LPS-1500 and LPS-2500. They are identi-
cal except for output power.
Features include XLR inputs, Speakon® and
binding post outputs, stereo/parallel/bridge-
mono mode, power/fault/signal presence/clip
indicators, forced-air cooling; and protection
against shorts, no-load, on/off thumps and
radio-frequency interference. Every LPS Series
amplifier is backed by a one-year limited war-
ranty.
With over six decades of experience designing
and building rock-solid products, Crown is the
standard in amplifier technology. So check out
the affordable Crown LPS Series. They are a
powerful argument for quality and value!
Features
•
Stereo/parallel/bridge-mono mode
•
•
Two level controls, power switch, power
LED, and six LEDs which indicate signal
presence, clip and fault for each channel
•
Efficient forced-air cooling prevents exces-
sive thermal buildup
For more details about the LPS Series, contact
your authorized Crown distributor.
Protection against shorts, no-load, on/off
thumps and radio-frequency interference
•
Electronically balanced XLR inputs; binding
post and Speakon® outputs
Specifications
The following applies to units in Stereo mode with 8-ohm loads
unless otherwise specified.
Performance
Front Panel Controls and Indicators
Fault Indicator: Red LED, one per channel ,
indicates channel shutdown.
Power Charts
Sensitivity (for full rated power at 4 ohms):
1.25 V rms.
*1 kHz
Power
LPS-800
Frequency Response (at 1 watt): 40 Hz - 20
kHz, +0/–3 dB.
Clip Indicator: Red LED, one per channel,
flashes when signal is audibly distorting.
300W
150W
600W
4-ohm Stereo (per channel)
8-ohm Stereo (per channel)
8-ohm Bridge-Mono
Signal-to-Noise Ratio (below rated power, 20
Hz to 20 kHz, A-weighted): >100 dB.
Signal Presence Indicator: Green LED, one
per channel, flashes when input signal exceeds
–40 dBu.
Total Harmonic Distortion (THD): < 0.5%, 20
Hz - 20 kHz.
*1 kHz Power: refers to guaranteed minimum power
in watts at 1 kHz with 0.5% THD.
Power Switch: Push-on, push-off.
Intermodulation Distortion (IMD)
(60 Hz and 7 kHz at 4:1 from full rated output to
–30 dB): < 0.3%.
Power Indicator: Blue LED illuminates when
*1 kHz
Power
amplifier is on.
LPS-1500
Volume Control: Sets output level of each
channel.
Damping Factor (8 ohms, 10 Hz - 400 Hz):
>300.
400W
250W
800W
4-ohm Stereo (per channel)
8-ohm Stereo (per channel)
8-ohm Bridge-Mono
Back Panel Controls and Connectors
Reset Button: Resets the circuit breaker.
Output Connectors: One Speakon® per channel
connects to loudspeakers. One pair of binding
posts per channel connects to loudspeakers;
accepts banana plugs or bare wire. (European
models do not accept banana plugs.)
Crosstalk (below rated power):
at 1 kHz: –76 dB.
at 20 kHz: –58 dB.
*1 kHz Power: refers to guaranteed minimum power
in watts at 1 kHz with 0.5% THD.
Input Impedance (nominal): 20 kilohms bal-
anced, 10 kilohms unbalanced.
*1 kHz
Power
Output Power: See power charts.
LPS-2500
Load Impedance: (Note: safe with all loads).
4 ohms in stereo mode, 8 ohms in bridge-mono
mode.
725W
550W
1,450W
Input Connectors: Balanced XLR, one per
channel.
4-ohm Stereo (per channel)
8-ohm Stereo (per channel)
8-ohm Bridge-Mono
Output Mode Switch: Stereo (dual), Parallel or
Bridge.
AC Line Voltage and Frequency Configurations
Available ( 10%): 120VAC/60Hz,
220VAC/50Hz, 240VAC/50Hz.
*1 kHz Power: refers to guaranteed minimum power
in watts at 1 kHz with 0.5% THD.
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