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Krell Duo 175 Zoom

Krell Duo 175

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SKU: KrellDuo175
Krell Duo 175


• 175 Watts into 8 Ohms
• 2 ea - Single-ended RCA and Balanced
XLR Inputs
• 1 RJ 45 Ethernet Port
• 1 12V Trigger Input
• WBT Speaker Binding Posts
• Optional Rack Mount Kit
• 17 W, 7 H, 21 D in
• 43.3 W, 17.7 H, 53.1 D cm
• Weight: 60 lbs, 27 kg

Availability: In stock

Product Description


    Duo 175 2 Channel Power Amplifier 175 Watt Amplifier Featuring Krell iBias Technology Krell iBias Class A technology allows our latest amplifiers to run in full Class A mode to full power while minimizing heat generation. All signal gain is realized in the current domain using discrete, proprietary, multiple-output current mirrors with extraordinary open loop linearity. There are no generic integrated circuits or op amps used anywhere. Current mirrors in the final gain stages use a new output power device that operates at a 73% higher voltage, delivers almost 10% more current, and offers 120 watts of additional power handling capability as compared to previous devices. The signal path is fully complementary and balanced . Independent complementary pre driver and driver stages for the positive and negative output transistors make the output stages extremely fast and linear. Krell amplifiers are fully direct-coupled, with no capacitors in the audio signal path. This design gives the Krell amplifiers lower internal impedance, which allows firmer, more precise control of your speakers. Power Supply Highlights Two 750VA toroidal transformers feeds amplifier modules that include the audio circuitry, rectifier, and power supply filtering mounted to an individual heat sink. This design shortens the electrical path from the power supply to the output transistors, reducing the overall impedance and allowing the circuit to respond faster and control the speakers better and more accurately. Feature Highlights Network connectivity brings convenience, monitoring, and reporting to end users from any smartphone, tablet, or laptop. Amplifier configuration options include display brightness and timeout. For energy conservation, the amplifiers can be programmed to power off at a preset time of inactivity. Individual channels can be muted and firmware updates can be initiated from the web server. Excessive current, output DC, fan speeds, short circuit, and overheating are all monitored in real time. Messages are displayed on the front panel and reported on the web server interface. Additionally. end users can be sent an email notifying them of any operational anomalies.
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