সমক
CHINESE Conference System | ProAV
Guangzhou DSPPA Audio Co., Ltd.
পোর্সিনটসন
ট্যাকট
Email: export@dsppa.com
Tel: 020-28346138
Fax: 020-81305947

DMA2500 Two-Channel Digital Mixer Amplifier - 翻译中...

DMA2500 Two-Channel Digital Mixer Amplifier - 翻译中...

ডাউন

● Mechanical knobs and push-button design, with a rocker-type power switch.
● Two-channel amplifier; each channel can be individually configured via DIP switches to support 100V constant-voltage output, 70V constant-voltage output, 8Ω fixed-resistance output, or 4Ω fixed-resistance output. Rated power can be delivered in any mode.
● Six balanced input channels, each with independent volume control; each channel has a separate DIP switch for 48V phantom power.
● One set of RCA AUX2 inputs, split into CH1 and CH2, with independent volume control.
● One 3.5mm stereo input, with independent volume control for CH1 and CH2.
● Two RCA AMP IN1-2 inputs for amplifier input, by default connected to PRE OUT1-2.
● Two RCA PRE OUT1-2 outputs for preamplifier output, controlled by CH1 and CH2 volume; outputs 1V only in 100V constant-voltage mode.
● 3.5mm stereo input and MIC1 can be configured as priority inputs; in any mode, these two inputs are mixed together.
● Two RCA AUX2 OUT1-2 outputs for audio sources, not controlled by CH1/CH2 volume or maximum output level.
● RJ45 interface supports DMA30W remote touch control panels, up to six units; allows control of CH1/CH2 volume, zone on/off, and EFFECT on/off.
● Supports EFFECT (reverb) depth adjustment and reverb time with three preset modes and one custom mode. In custom mode, the ROOM SIZE option has L, M, S, OFF. MIC5-6 can enable or disable EFFECT. OUTSIDE and ROOM zones can independently enable or disable EFFECT.
● MIC1-6 have EQ adjustment, divided into LOW (80Hz ±12dB), MID (2.5kHz ±12dB), and HIGH (10kHz ±12dB).
● Standby function: can be enabled via DIP switch; enters standby after 10 minutes of no signal, with the SLEEP indicator flashing; resumes normal operation upon signal detection.
● Supports connection of one DMA30N Remote Bus Network Decoding Terminal via RJ45 for audio and data bus power, enabling network decoding, offline scheduled playback, EMC dry-contact output, and network AUX OUT functionality.
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翻译中...

Model

DMA2240

DMA2500

Line Input

AUX1 Input Sensitivity

250±25mV

AUX2 Input Sensitivity

250±25mV

AMP IN (CH1-2)

1±0.1mV

COM1-2

±3V±0.2V

Frequency Range

80–16kHz (±3dB)

Microphone Input

MIC1-6 Max. Input Sensitivity

5±1mV (potentiometer fully clockwise)

MIC1-6 Min. Input Sensitivity

250±25mV (potentiometer fully clockwise)

Frequency Response

100–10kHz (±3dB)

Phantom Power

48±5V

Line Output (CH1-2)

BUS OUT Line Output

1±0.1mV

REC OUT Line Output

1±0.1mV

PRE OUT Line Output

1±0.1mV (100V constant-voltage mode)

Signal-to-Noise Ratio

≥76dB (all volumes at max)

Noise

≤8.5mV (all volumes at max)

Total Harmonic Distortion

≤1%

Gross Weight

8.8kg

Net Weight

6.3kg

Package Dimensions (L×W×H)

585×535×155mm

Product Dimensions (L×W×H)

483×380×88mm


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