MONTARBO GRAVIS 24 2450W 2U. SMPS Power Amplifier

STEREO MODE: 2 x 450W @ 8Ω. 2 x 750W @ 4Ω. 2 x 1000W @ 2Ω.
BRIDGE MODE: 1600W @ 8Ω. 2450W @ 4Ω.
PROTECTIONS: Soft start DC, short circuit, over load, clip limit, over heat,
progressive volume, VHF. Weight 9.7 kg.
Dimension W 483 x H 89 x D 450 mm.
Assembled in China. Engineered by Montarbo.

Power Rating

Stereo Mode:
8Ω EIA 1 kHz 1% THD - 1500W
4Ω EIA 1 kHz 1% THD - 2500W
2Ω EIA 1 kHz 1% THD - 4000W

Bridged Mono:
8Ω EIA 1 kHz 1% THD - 5000W
4Ω EIA 1 kHz 1% THD - 8000W

Damping Factor     Not Specified By Manufacturer
Input Sensitivity     26dB Setting - 5.27V
32dB Setting - 2.67V
Input Impedance     > 10kΩ balanced, or unbalanced
Gain     39.1dB
Frequency Response     20Hz to 20kHz, +/- 0.2dB
Signal-to-Noise Ratio     -104dB
Total Harmonic Distortion (THD)     0.1% @ 2Ω
0.03-0.06% @ 4Ω
0.01-0.03% @ 8Ω
Input Connections     Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel)
DataPort: HD-15, input signal in parallel with XLR input connectors
Output Connectors     Output: Neutrik Speakon (ch 1 wired to both channels) and 5-way binding posts
Controls Front Panel     AC Power Switch
Gain Controls, 21 detents, 1 dB steps (each channel)
Controls (Rear)     Input Mode: Bridge (Yellow), Stereo (Green), or Parallel (Orange)
Gain / Sensitivity: 26dB (Orange), 32dB (Green), or 1.2V (Yellow)
High Pass (each channel): 3Hz (Off), 30Hz (Yellow), or 50Hz (Orange)
Clip Limiter (each channel): Off, On (Yellow)
Indicators     Clip Limiter (each channel): Off, On (Yellow)
Camera Resolution     Flow-thru air path and solid aluminum heat sinks
Power Consumption     120V 50/60Hz - 18A
230V 50Hz - 11A
Power Requirements     Not Specified By Manufacturer
Dimensions (WxHxD)     19 x 3.5 x 15.63" (48.3 x 8.9 x 39.7cm)
Weight     33.5 lbs (15.2kg)
Specialties     Parallel Dataport, XLR/M and XLR/F connectors for simple loop-through connectivity

Crown CDi Series amplifiers are professional tools designed and built for installed sound applications. The series includes four models which are identical except for output power: CDi 1000, CDi 2000, CDi 4000, and CDi 6000. All are rugged and lightweight, and offer unmatched value in their class.

• Extremely versatile; rated for 2-, 4-, 8-ohm loads and 70V and 140V outputs.
• Switch-mode universal power supply.
• Intuitive front-panel LCD screen for quick, easy configuration.
• Onboard digital signal processing includes crossovers, EQ filters, delay, and output limiting.
• Up to 20 user defined DSP presets are available.

Model T5n
Product Type Power Amplifier
Output Power (W) 1kHz THD+N=1% (120V)
2Ω per channel 2500
4Ω per channel 2200
8Ω per channel 1350
4Ω bridge 5000
8Ω bridge 4400
Output Power (W) 1kHz 20mS burst (120V)
2Ω per channel 3400
4Ω per channel 2200
8Ω per channel 1350
4Ω bridge 6800
8Ω bridge 4400
SN ratio (20Hz-20kHz) 107dB
THD+N 20Hz-20kHz, Half Power RL-4Ω, 8Ω
Intermodulation Distortion 60Hz: 7kHz, 4:1, Half Power 0.1%
Frequency response RL=8Ω,Po=1W,HPF=OFF 20Hz-20kHz (Max) 0dB
Frequency response RL=8Ω,Po=1W,HPF=OFF 20Hz-20kHz (TYP) 0dB
Frequency response RL=8Ω,Po=1W,HPF=OFF 20Hz-20kHz (MIN) 6dB
Channel Separation (Half Power RL=8Ω,1kHz Att. max input 600Ω shunt) 70dB
Residual Noise Att,min 20Hz-20kHz(DIN AUDIO) -70dBu
Damping factorRL=8Ω 1kHz 800
Voltage Gain Att.max 26dB
Maximum Input Voltage +24dBu
Input Impedence 20kΩ (balance) 10kΩ (unbalance)
Controls Specifications
Front Panel POWER switch(push on/push off) attenuator (31 position) x2
Rear Panel MODE switch (STEREO/BRIDGE/PARALLEL) X1; HPF switch (20Hz/OFF 12dB/oct) x1; AMP ID switch (6PDIP)x1
Connectors Specifications
Input XLR-3-31 type/ch; Euroblock connector (balance)/ch
Output SPEAKON/ch, 5way biding postx1
Date Port RJ45x2
Indicators Specifications
Power/Standby x1 (Green/Orange)
Remote x1 (Green)
Protection x1 (Red)
Temp x1 (Red) heatsink temp 85°C
Signal x2 (Green)
Mute x2 (Red)
Clip/Limit x2 (Red)
Load protection POWER switch on/off mute; DC-fault: power supply shutdown / do not return automatically
Cooling Variable-speed fan: x2
Power requirements 120V/60Hz
Weight 14.0 kg
Dimensions (W x H x D) 480 x 88 x 456mm (2U)

Info

Professional Power Amplifier 2X1200W/4Ω - Compact size (2-Rack height) - Stable SMPS (Switch Mode Power Supply) applied for low power consumption and low weight - Voltage gain available - High Damping Factor and low T.H.D - Includes clip limiter to prevent a sound crush - For better efficiency, 2-step of H-class AMP accepted - Includes protection circuit to prevent a damage of over heat, short and over voltage - Has 30Hz or 50Hz HPF to protect speaker from low-frequency - 12 Kg

Stereo Mode Ratings (Both Channels Driven):

    8 ohms:
    - FTC 20 Hz - 20kHz, 0.1% THD: 1050W
    - EIA 1 kHz, 0.1% THD: 1100W
    4 ohms:
    - FTC 20 Hz - 20kHz, 0.1% THD: 1600W
    - EIA 1 kHz, 0.5% THD: 2000W (1% THD)
    2 ohms:
    - EIA 1 kHz, 1% THD: 2500W
    70V Direct Drive:
    - EIA 1 kHz, 1% THD: 2500W
    100V Direct Drive:
    - EIA 1 kHz, 1% THD: 1000W

Bridged Mono Mode Ratings/Specifications:

    8 ohms:
    - FTC 20 Hz - 20kHz, 0.1% THD: 3200W
    - EIA 1 kHz, 0.1% THD: 3600W
    4 ohms:
    - EIA 1 kHz, 1% THD: 5000W
    70V Direct Drive:
    - EIA 1 kHz, 1% THD: 5000W
    100V Direct Drive:
    - EIA 1 kHz, 1% THD: 3600W
    Signal to Noise, 20Hz-20kHz, 0.1% THD, 8 Ohms: > -100dB
    Input Sensitivity @ 8 Ohms: 1.42V (+5.3 dBu)
    Voltage Gain @ 8 Ohms: 64x (36 dB)
    Output Circuitry: 3-tier Class H
    Power Requirements (120V):
    - 1/8 power pink noise at 4 ohms: 13.9A
    - 1/3 power pink noise at 4 ohms: 26.9A
    Power Requirements (230V):
    - 1/8 power pink noise at 4 ohms: 7A
    - 1/3 power pink noise at 4 ohms: 13.5A
    Distortion (SMPTE-IM):