SR-1 Owner’s Manual

Under these idyllic room conditions speaker placement is frequently a simple task. In an idyllic world the speakers would be well out in the room, typically about 1/3 the distance of the rooms front to back dimension. The listener would be at mid point in the room or slightly to the rear of mid-point. The listener and the speakers would form an equilateral triangle, such that the distance speaker to speaker would be identical to the distance from either speaker to listener. The distance from speaker to sidewall would be unequal to the distance from the speaker to the back wall. To solidify the acoustic image placement in stereo or multi-channel recordings at the listening position the speakers will typically be toed in slightly toward the listening position, rather than square with the rear and sidewalls. The tweeter height of the speaker will be either at the same height as the listener’s ear or in some way angled as to achieve equivalent result. The SR-1 cabinets have adjustable feet, front and rear to optimize apparent driver height.

Lucky are the very few listeners who have well placed equipment in a well-engineered dedicated listening space either by design or happenstance. For the rest of us we have the Pass Laboratories SR-

1.The Pass Laboratories SR-1 Loudspeaker was built to address less than perfect rooms and less than perfect speaker placement.

Of primary concern was a speaker that would be spectrally balanced throughout the room rather than only in a very narrow and defined “sweet spot”. The SR-1 was specifically built to those parameters.

Once the speaker position and upper cabinet tilt is optimized the listener will need to adjust the level controls for optimal results. In a symmetrical room, the adjustments for left and right cabinet would be identical, asymmetrical rooms may require disparate settings of level controls or left and right speakers. Optimal level settings will be arrived at only by careful listening to a variety of source material.

On the rear of the SR-1 cabinets are 3 level controls. One level control on the woofer cabinet and two level controls on the tweeter

/midrange cabinet. All controls are 3 position switches that select fixed values. Mid position is considered “Normal”, UP increases the

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Pass Labs SR-1 owner manual
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SR-1 specifications

The Pass Labs SR-1 is an outstanding addition to the elite category of high-performance audio components. Designed by renowned audio engineer Nelson Pass, the SR-1 represents a culmination of decades of innovation and expertise in the field of high-fidelity sound reproduction. Known for its exceptional sound quality and advanced engineering, the SR-1 is a top choice for audiophiles and music enthusiasts alike.

One of the defining features of the SR-1 is its innovative circuit design. The amplifier employs a Class A topology, which is renowned for its ability to produce an incredibly detailed and warm sound. This design minimizes crossover distortion and ensures that audio signals retain their integrity, resulting in an immersive listening experience. The amplifier’s robust power supply further enhances performance, providing ample current delivery to handle dynamic peaks without compromising sound quality.

The SR-1 also integrates advanced thermal management technologies. With large heat sinks and a well-ventilated chassis, the amplifier can operate efficiently, avoiding overheating even during extended periods of use. This feature not only enhances reliability but also ensures that sound performance remains consistent over time.

Another key aspect of the SR-1 is its flexibility in connectivity options. The amplifier features multiple input selections, accommodating various sources such as CD players, turntables, and streaming devices. The SR-1 is engineered to deliver a wide range of impedance matching, allowing users to connect it seamlessly with different kinds of speakers, ensuring compatibility and optimal performance.

The aesthetics of the SR-1 are equally impressive. With a sleek aluminum chassis and elegant design, it not only fits well in any audio setup but also stands as a statement piece in home entertainment systems. The controls are user-friendly, providing easy access to essential functions such as volume adjustments and input selections.

In summary, the Pass Labs SR-1 is a true testament to high-end audio engineering. Its combination of Class A amplification, exceptional build quality, advanced thermal management, and versatile connectivity makes it a standout choice for those seeking unparalleled sound quality. Whether used in a casual listening environment or a serious audiophile setup, the SR-1 delivers a captivating audio experience that captures the essence of music.
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