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Nordost QB4 QBASE - Mark II- Straight Line AC Distribution Mains Block

Key Features

Premium Power Distribution

  • Delivers clean, stable mains power to multiple audio/video components, helping reduce interference and electrical noise that can affect performance.

  • Precision-engineered design ensures optimal AC power delivery with minimal signal degradation.

Straight Line Power Path

  • Maintains a straight-line mains path to preserve the integrity of the electrical signal from inlet to outlets.

  • Designed to reduce impedance and provide consistent power to connected equipment.

High-Quality Build

  • Durable construction with robust materials for long-lasting reliability and secure electrical connections.

  • Compact, rack-friendly form factor that integrates easily into audio racks or AV setups.

Multiple Outlets

  • Provides several high-performance AC outlets for powering amplifiers, preamplifiers, DACs, streamers, CD players, and other components.

  • Outlets are spaced for easy connection of bulky plugs and power cables.

Low-Noise Performance

  • Engineered to minimize mains-borne noise and interference, contributing to clearer sound reproduction and improved system dynamics.

  • Helps reduce background hiss and electrical artifacts in high-end audio systems.

Improved Grounding and Isolation

  • Incorporates design elements that enhance grounding and help isolate connected devices from common power issues.

  • Enhances overall system stability and audio fidelity.

Versatile Use

  • Ideal for high-end home audio and home theater installations where clean, stable power distribution is crucial for performance.

  • Suitable for use with both analog and digital components.

Description

Nordost QB4 QBASE – Mark II- Straight Line AC Distribution Mains Block

QBASE AC DISTRIBUTION UNIT

The essence of the QBASE-Mark II concept is a straight-line AC distribution path, combined with a star-earthed topology for connection to a clean ground. By eliminating any form of in-line filtering or active circuitry, we maintain the lowest possible AC supply impedance, while a tiny lift in the earth impedance of all but one of the output sockets routes the signal grounds directly to the center of the star and the clean earth terminal. Clearly identified on the casework, this Primary Earth socket is at the center of your system’s performance, literally and metaphorically. It defines both the order in which you connect your components and also, their listening priority in your musical enjoyment, allowing you to further optimize the performance of your primary sources.

The sockets themselves are mounted on a customized frame plate and a solidly constructed aluminum extrusion with machined end-caps that deliver a reassuring sense of substance. But the casework has far greater significance than that, the metal pieces and internal PCB (deliberately preferred to hard-wiring) constituting a single, mechanically tuned construction, designed specifically to enhance performance. Compare the musical performance of the QBASE-Mark II to the competition, and you’ll hear just how effective this is.

QBASE-Mark II units are available in four different models. US, European, and Australian versions are available in four and eight output configurations, while the dimensions of the UK 13A socket mean that it is only available as a six-way unit. Each unit now includes a dedicated fuse, providing overcurrent protection of the source circuit to prevent overheating and system damage. A QBASE-Mark II unit is the perfect starting point in the construction of a high-quality, modular AC supply for your system. Its compact dimensions mean that it can be easily combined with one or more Qx power purifiers and outfitted with Qv2 AC Line Harmonizers and Qk1 AC Enhancers as funds allow, while its slim profile makes it ideal for tucking away behind a rack or mounting on the wall.

The QB8 Mark II is also available in a 20 Amp (US) / 16 Amp (EU, AUS) version that uses heavier gauge internal wiring in addition to being capable of handling more current.

Available Accessory:

STAND MOUNT

Use to easily support your QBASE unit with Nordost Sort Kones, mount it to the wall, or stabilize and lift it higher off your floor or rack. Works with all Mark II QBASE units.

 

Specifications

Dimensions (HxD)
QB4 (US, EU, and AUS) – 234 x 67 x 120mm
QB6 (UK ) – 460 x 67 x 120mm
QB8 (US, EU, and AUS) – 460 x 67 x 120mm
Input
C-14 IEC (15/10amp)
C-20 IEC (20/16amp) (QB8 and QB6 Only)
Output
US, EU (Schuko), Australian or 13A UK
Fuse
Yes

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