QSC GXD 8 amplifier 2x1200W RMS 4Ω

Απαιτήσεις ισχύος: 1/8 ισχύος στα 4Ω

• -100V AC: 6.2A
• -120V AC: 5.6A
• -230V AC: 3.2A

Dynamic Headroom (4Ω): 2.73 dB
Damping Factor (8Ω): 100
Απόκριση Συχνότητας (20 Hz-20 kHz): +0.7 dB, -0.8 dB
Αντίσταση εισόδου: 20 kΩ (balanced), 10 kΩ (unbalanced)
Maximum Input Level: +23.5 dBu

Συνδέσεις ανά κανάλι:

• 3-pin XLR θυληκο
• 1/4" TRS, balanced
  
  Υπάρχει επιπλεόν είσοδος USB type B, χρήση μόνο για την ενημέρωση του λογισμικού του ενισχυτή.
  

Έξοδοι ανά κανάλι :

• Speakon binding posts
• Speakon pinout: Channel A on 1+, 1-; Channel B on 2+, 2; Channel B on 1+, 1-

Προστασίες ενισχυτή και υπερφόρτωσης: short circuit, open circuit, υπερθέρμανσης, RF και DC faults.

'Ελεγχοι:

• 2 x Περιστρεφόμενοι encoders
• 3 x κουμπιά λειτουργίας (HOME, ENTER, EXIT)

Ενδείξεις:

• Power-On: Μπλε LED
• Σήμα: 2 x Πράσινο LED
• Clip: 2 x Κόκκινο LED

Λειτουργίες DSP:

• High-pass filter, 4th-order Linkwitz-Riley, adjustable frequency 20 Hz to 4 kHz
• Low-pass filter, 4th-order Linkwitz-Riley, adjustable frequency 60 Hz to 4 kHz
• 4-band parametric EQ with variable frequency, gain, and bandwidth
• Peak limiter with power, agressiveness, and impedance selection
• Delay 50 msec max.

• Διαστάσεις: 89 × 483 × 259 mm 2U
• Βάρος: 6 kg (net), 7.8 kg (shipping)

XR Series - Intelligent Power
New Horizons.

A lightweight with enormous power output. Combined with digital signal processing.
That's what we call flexibility! Locally controlled or completely networked.
No matter what the requirements are.
The integrated powerful digital signal processor (DSP) and controller allows
for a troublefree and easy adjustment to any acoustical environment.
Wear-free digital potentiometers, sequential remote power on,
alive contacts for easy supervision, computer controlled monitoring -
 its enless list of useful feature make it the right choice for any installation.
XR - the new definition of Intelligent Power

High Tech SMT Design
Digital Signal Processor
Excellent sound and superior impulse response
Protection Circuits: DC, LF, HF, Thermal, Short Circuit, Current Limiter, 3 ms Muting Delay
PHOENIX / Speakon
High-End Switched Power Supply with Power Factor Correction (not XR4000)
LED Indicators for SIGNAL, CLIP, PROTECT, POWER
Temperature controlled, variable speed low noise fans
Digital wear-free Volume Controls (can be operated manually)
Stereo / Bridged / Parallel Mode
Softstart
Sequential Remote Power On
Alive Contact
Paging Input
Monitor Output
SXL Dataport
Perfect Weight-to-Power ratio
3 Years Warranty

Technical Data:
XR 4000:  2x 2800 W @ 2 Ohm
                2x 2070 W @ 4 Ohm
Class:  H
Frequency Response:20 Hz - 20 kHz (0 / -0.3 dB)
THD:  < 0.02%
Signal-to-Noise Ratio:  < -106 dB
Channel Seperation:  > 85 dB
Input Sensitivity:  +6 dBu
Input Clipping:  22 dBu
Input Impedance:  20 kOhm
Damping Factor:  750 to 1200 @ 4 Ohm
Cooling:  4 Fans (temp. reg. variable speed)
Weight:  9 kg
Dimensions:  2 RU / 483 x 88 x 454 mm(19" x 3.5" x 17.9“)

A full model revision takes Yamaha's high-end PC-N power amplifiers to the next level - the PC-1N
Series. The new PC-1N Series amplifiers feature an extraordinarily solid low end, rich midrange,
and superbly defined highs. They also deliver fast response and exceptional stability even in the face
of serious power supply limitations. Refinements throughout this expanded five-model lineup make
these amplifiers the new benchmarks for quality, reliability, and versatility in professional applications. Frequency Response: 10 Hz – 40 KHz. Ισχύς 2 x 1050 Watt / 8Ω RMS, 2 x 1650 Watt / 4Ω RMS, 3000 Watt / 8Ω bridge RMS. Weight: 13 κιλά. 
 

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):

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