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GP-1000

1000W mono channel, class-D / high power amplifier for subwoofer

GP-1000, a 1000-watt plate type power amplifier of mono channel, is created for integration with subwoofer speaker for optimum bass / ultra-low sound effect performance in an audio system.

The GP-1000 adopts high efficiency switching mode power supply for driving speaker through its digital/ class-D amplifier, ultimately allows compact size and low weight for not just itself but also the integrated speaker system.

 

 

 

 

This amplifier is designed to be eco-friendly.
Power on/off can be automatically managed by the audio signal

(from the source); When the system is totally in idle for certain minutes, the power-saving circuit will turn this amplifier into deep sleep, with tiny standby consumption of less than 0.5w. In certain applications which will need the amplifier keeps awake all the time, the “sleep mode” by audio-signal can be defeated with the on-panel switch.

 

feature highlight

- 1000 watts, mono channel
- class-D digital format
- switching power supply
- phase selection
- defeatable audio trigger
- low standby power (< 0.5w)

On the panel there are 2 rotary controls for volume and crossover frequency refinement, so user may fine tune the subwoofer’s response to get the optimum system acoustic result.

The GP-1000 is equipped with RCA jacks (the most commonly-used connector) for connecting to all kind of audio source machines and XLR terminals (for higher immunity and less noise).

XLR connector is rigid and provides much higher standard of S/N ratio when a long signal cable between source and the subwoofer speaker is needed (for instance, outdoor or in a ballroom), compared to the other types of signal connectivity.
Function

power on-off control

master switch

yes

auto control

audio-trigger

power input

voltage selection

manual switch

cord

detachable (IEC type)

audio terminal

input

RCA (line) / XLR (balanced)

output

na

display

power

LED

Specification

max Power

THD @ 1%

W

1000

THD+N

output @ 10W

%

< 0.2

input sensitivity

Line:  volume @ max

mV

200

High level

V

2.5

crossover (low-pass) filter

range

Hz

40~150

slope

dB

24

phase adjustment

degree

0 or 180°

S/N ratio

@ rated power

dB

> 94

auto-off time

min

30

auto-on level

mV

3~5

measurement

dimension (H x W)

mm

 

weight

kg / lb

 

operational AC range

(manual setting)

V

110~120

220~240

power consumption

standby, no-signal

W

0.5

power-on, no signal

W

20

rated power

W

1400



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