Krell K-300i Integrated Stereo Amplifier

K-300i

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Brand New Krell Theater 7 XD 7-Channel Power Amplifier for sale with Warranty

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$3,650.00

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Krell Theater 7 XD 100-Watt 7-Channel Class-A Power Amplifier

Krell’s XD (Xtended Dynamics, Dimensionality & Detail) upgrade for the iBias amplifiers takes an already great sounding amplifier and raises its performance to the next level. XD is a classic example of Krell’s continuous R&D efforts reaping benefits across multiple product lines. During the development of the K-300i Integrated Amplifier we discovered substantial sonic improvements by lowering the output impedance below traditional norms. When applying this technique to our existing line of amplifiers, the improvement was so substantial, it deserved its own, unique designation—XD.

It was no simple matter merely lowering the output impedance. This affects the amplifier’s stability and transient response, so each stage prior to the output stage had to be re-tuned to work optimally with the lower output impedance. This lower output impedance exerts more control over the speaker drivers, and damps out unwanted vibrational modes—allowing a more accurate reproduction of the original signal

The “XD” upgrade for the Chorus/Duo/Solo amplifiers reduces the output impedance to less than half of its original value. This lower output impedance better damps unwanted speaker vibrational modes. Changing the output impedance also necessitated re-compensating each amplifier stage to achieve optimal critically damped transient response. This ensures that the amplifier accurately follows the dynamics of the input signal.

100-Watt 7-Channel Class-A Power Amplifier

Dimensions: 17.25” (43.8cm) W x 4.11” (10.4cm) H x 18.17” (46.2cm) D

Weight: 40lb (18.2kg)

Analog Inputs:
2 Pairs Balanced via XLR
3 Pairs Single‐ended via RCA

Analog Outputs:
2 Pairs Gold‐plated Speaker Binding Posts
1 Pair Single‐ended Preamp via RCA

Digital Inputs:
1 Coax
1 EIAJ Optical
2 HDMI
1 USB Host/1 USB Device

Digital Outputs:
1 HDMI

Control:
1 12V Trigger Input
1 12V Trigger Output
1 RC5 Input
1 RS‐232
1 Ethernet

Reviews

Grade 
2021-01-30

Krell K-300i Integrated Stereo Amplifier

So far, so good. We have only had it a few days, but the unit seems to give a nice, clear sound with my very old speakers. We are glad about that.

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Krell K-300i Integrated Stereo Amplifier

Krell K-300i Integrated Stereo Amplifier

Brand New Krell Theater 7 XD 7-Channel Power Amplifier for sale with Warranty