Krell Theater 7 XD

ClassA 7Channel Power Amplifier 7*100Watt

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AVAILABILITY: N/A

The Theater 7 Amp uses iBias technology to maintain Class A operation up to 100 watts into 8 ohms for the left, right, and center channels and up to 50 watts for the four surround channels. This provides the critical front channels with high bias current to produce that lush, open Class A sound while also minimizing the heat output and power consumption of the whole amplifier. The amplifier design uses Krell Current Mode technology that is fully differential and discrete in the critical gain stages. This results in a highly linear and extended frequency response, well beyond the range of hearing, for smooth effortless highs and tight high impact bass. The power supply consists of two 700VA toroidal transformers and 160,000uF of capacitance. This is shared among all the channels so all of that power is available to the channels with the most demand. In real world conditions the left, right, and center channels require the lion’s share of the power so this gives the Theater 7 a more effective power supply than other amplifiers that have smaller dedicated power supplies for each channel.

Specifications

- Output power, per channel

120W RMS at 8 Ω, 2 channels driven

115W RMS at 8 Ω, 3 channels driven

110W RMS at 8 Ω, 5 channels driven

105W RMS at 8 Ω, 7 channels driven

210W RMS at 4 Ω, 2 channels driven

190W RMS at 4 Ω, 3 channels driven

165W RMS at 4 Ω, 5 channels driven

140W RMS at 4 Ω, 7 channels driven

- Frequency response: 20 Hz to 20 kHz +0, –0.11 dB, <3 Hz to 200 kHz +0, –3 dB

- Signal-to-noise ratio: >101 dB, wideband, unweighted, referred to full power output, >114 dB, “A”-weighted

- Gain: 25.5 dB

- Total harmonic distortion: <0.02% at 1 kHz, at 100 W, 8 Ω, two channels driven, <0.20% at 20 kHz, at 100 W, 8 Ω, two channels driven;

- Input impedance: Single-ended: 27 kΩ; Balanced: 54 kΩ;

- Input sensitivity: Single-ended or balanced: 1.50 V RMS

- Output voltage: 93 V peak-to-peak. 33 V RMS

- Output current: 10 A peak

- Output impedance: <0.025 Ω, 20 Hz to 20 kHz

- Damping factor: >320, 20 Hz to 20 kHz, referred to 8 Ω

- Power consumption: Standby: 1 W, Idle: 66 W, Maximum: 2000 W

- Heat output: Standby: 3.42 BTU/hr., Idle: 225 BTU/hr.Maximum: 2200 BTU/hr.

- Inputs: 7 single-ended via RCA connector, 7 balanced via XLR connector

- Outputs: 7 pairs five-way binding posts

- Remote connectors: One 12 VDC input (12 V trigger) via 3.5 mm jack

- Dimensions: 17.1 in. W x 7.65 in. H x 21.10 in. D, 434 mm W x 194 mm H x 536 mm D

- Weight: 80 lbs., 36.4 kg (shipping), 70 lbs., 31.8 kg (unit only)

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Krell Theater 7 XD

ClassA 7Channel Power Amplifier 7*100Watt