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收藏此帖子 MARANI MDA88F 8-Channel DSP Power Amplifier (8 x 500 W@4Ω) - 圓3550 (Pudong) 隐藏该帖子 取消隐藏

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产商: Marani
型号名/编码: MDA88F
大小/尺寸: 483x89x515mm
条件: 近新

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AS NEW MARANI MDA88F 8-Channel (DSP) Power Amplifier (8 x 500 W@4Ω)

Perfect condition complete with original packaging.

MD88F is an intelligent digital audio matrix mixer with 8-Channel Class D power amplifier delivering up to a total of 2kW@4Ω . 4 Pascal SPRO2 Class D Switch Mode Power Supplies with PFC, each powering a set of 2 channels. 8 low noise, low distortion output stages with up to 90% efficiency @ full load with circuit protection. Full matrix mixing mode so inputs may be routed/mixed in any ratio to any output. MD88F also has Noise Gate function, Gain control, HP, LP, RMS Limiter and Delay on each channel.

Paid new RMB 8,000. In UK facelifted version selling for over £2,000.
https://www.ebay.co.uk/itm/AMPLIFIER-OF-POWER-MARANI-MDA88F/173309622062?hash=item285a0ef72e:g:b58AAOSwvMFa8zZ1
https://www.ebay.co.uk/itm/AMPLIFICATORE-DI-POTENZA-MARANI-MDA88F/173307543854?hash=item2859ef412e:g:nO0AAOSwLpda8bM1

Features:
Number of Channels 8 (Not Bridgeable)
Dynamic Power (6dB Crest Factor) 8 x 500W @ 8Ω;
Output Circuitry Classe D - Self-Oscillating PWM topology; 400kHz supplied by indipendent SMPS
THD @ Rated power 4Ω (1kHz) 0.02% (1W), 0.05% (60W), 0.08% (100W)
Dynamic Range 118 dB (A-weighted, AES-17 filter)
Frequency Response 20 Hz - 20 kHz ± 0,15 dB (8Ω load, 1 dB below rated power)
Damping Factor >120 (8Ω load, 1kHz and below)
Power Supply Two independent Universal and Regulated Switch Mode Power Supplies
Operating Range 90-245 VAC (50/60Hz); Automatic 110/220 VAC Line Voltage sensing
Consumption / Current draw and Thermal dissipation @ 230 V 43.3 W / 0.303 A / 148 BTU/h (Idle)
510 W / 2.3 A / 1740 BTU/h (I/8 max. power@8Ω)
781 W / 3.5 A / 2665 BTU/h (I/4 max. power@8Ω)
Protections Over-Current, Over/Under Voltage, Output DC and Over-Temperature
Analog Input 8 x XLR electronically balanced
Analog Output 8 x XLR electronically balancedDSP & Processing
DSP Engine MARANI M704
DSP Resolution 24 bit (data) x 24 bit (coeff.), 54 bit accumulation registers
96 bit precision on intermediate processing data
Master Volume From -90dB to 0dB
Level Output Level -/+ 18dB
Noise Gate Threshold from -90dBu up to -60dBu
Attack time from 1ms up to 1000ms;Release time from 10ms up to 1000ms
Crossover Section HPF/LPF Butterworth 6/12/18/24dB per octave
Bessel, Linkwitz-Riley 12/24dB per octave.
Filter frequency resolution 1Hz
RMS Compressor Threshold from -18dBu up to +12dBu
Attack time from 5ms up to 500ms
Release time from 40ms up to 1sec
Hold-Time from 0ms to 10sec (step 50ms)
Delay up to 40msGeneral
Device Presets 60 User Presets
Front Panel 2x24 character LCD display
4 x Green-Red LED indicating distortion and signal for output channels
1 x Power Switch
1 x Rotary encoder push button switch
USB type B connector
Rear Panel 2 x 12 pin Phoenix connector (Input)
2 x 12 pin Phoenix connector (Processed Output)
1 x Locking PowerCON® 20A: AC Power Cord (Blue) 2 pin Phoenix connector (Processed Output)
1 x 80*80mm 24V Fan
1 x RJ45 for M-LAN (RS485) and Ethernet connection (10/100 TCP-IP) s for every input and output channel
Dimensions 19"x 3.5"x 20.3" (483x89x515mm) 2RU
Weight, Net / Shipping 20 lbs (9,5 Kg) / 29 lbs (13.5 Kg)

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信息编号: 6636643873

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