Poweramp PARASOUND A51,ARCAM P-777,AUDIO CONTROL G-3

[kkhifi]

1.Parasound A51 ราคา 85,900.Bสนใจติดต่อ 081-6623531
PARASOUND A 51 SPECIFICATIONSPower Output - All Channels Driven250 watts RMS x 5, continuous, 20 Hz - 20 kHz, 8&#8486;400 watts RMS x 5, continuous, 20 Hz - 20 kHz, 4&#8486;Current Capacity60 amperes peak per channelSlew Rate> 130 volts per microsecondFrequency Response5 Hz - 100 kHz, +0/-3 dB at 1 wattTotal Harmonic Distortion< 0.2 % at full power < 0.03 % at typical listening levelsIM Distortion< 0.04 %TIMUnmeasureableDynamic Headroom> 1.5 dBInterchannel Crosstalk> 78 dB at 1 kHz> 63 dB at 20 kHzInput ImpedanceUnbalanced: 47k &#8486;Balanced: 94k &#8486;Input Sensitivity for 28.28 V Output into 8 &#8486;Unbalanced: 1 V Balanced: 1 V per legS/N Ratio> 112 dB, input shorted, IHF A-weighted> 102 dB, input shorted, unweighDamping Factor> 1100 at 20 HzDC Trigger Requirements+9 Vdc to +12 Vdc, 2 mAAudio Trigger Requirements50 mV AC - 250 mV ACDimensionsWidth: 171&#8260;2" (445 mm)Panel height: 7" (178 mm)Height with feet: 75&#8260;8" (194 mm)Depth: 20" (508 mm)Power RequirementStandby: 25 Watts Full Power into 4&#8486;: 3000 WattsNet Weight80 lb. (36.4 kg)Shipping Weight87 lb. (39.5 kg

[kkhifi]

2.ARCAM P-777 ราคา 55,555.B สนใจติดต่อ 081-6623531

Technical Specifications

Audio

    7 x 150 watts per channel (8 ohms, 20Hz-20kHz, all channels driven)
    7 x 230 watts per channel (4 ohms, 20Hz-20kHz, all channels driven)
    Peak output current +/- 30amps per channel
    Modular construction with seven independent and fully isolated channels
    Four Sanken heavy duty bi-polar output transistors per channel
    Advanced current feedback design with high slew rate and very low distortion at all audio frequencies
    Predominantly aluminium chassis and casework for best sound quality
    Comprehensive protection circuitry
        -  DC offset protection
        -  VI limiting on each output stage
        -  Software controlled thermostatic fan
        -  Over temperature protection

Inputs and Outputs

    Balanced (XLR) input connections
    Unbalanced (RCA) inputs with “loop through” output
    12v Trigger (3.5mm mono jack) input for standby control

Power Supply Features

    Balanced (XLR) input connections
    Twin 1500 VA toroidal power transformers with separate secondary’s for each power amplifier
    Separate low noise toroid transformer for standby operation
    140,000 micro-farads total reservoir capacitance
    “Soft Start” turn on system to prevent large inrush currents

Custom Install Features

    12v trigger input (3.5mm)
    Heavy duty IEC power inlet
    Middle Atlantic rack shelf available
    Balanced and unbalanced inputs
    Unbalanced input “loop though” connection
    Large and quiet temperature controlled fan

General

    Available in black or silver finish
    Size – 435mm (17.1in) wide, 460mm (18.1in)
    deep, 185mm (7.3in) high
    Weight 31kg (68.3) nett, 35kg (81.6lbs) packed

[kkhifi]

3.AUDIO CONTROL G-3 ราคา 65,900.B

FEATURES

    Seven Channel Home Theater Amplifier
    Outputs over 200 Watts per Channel – all channels driven
    Stable into low impedances
    Unparalleled Energy Efficiency
    High Definition BiMOS Outputs
    Cool Running Class H Operation
    LightDrive Anti-Clipping Protection Circuitry
    High Current Gold Output Terminals
    Selectable Input Sensitivity
    5-way Binding Posts
    Output Status Display
    Unbalanced RCA and Balanced XLR Audio Inputs
    Bullet-Proof Reliability
    Remote 12 volt Trigger
    Perfect with AudioControl’s Maestro M9 Preamplifier