Manley Labs 50/50 owner manual Output B+ Mains IEC Mains RCA Fuses

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INPUT

OUTPUT B+ MAINS

IEC MAINS

RCA

FUSES

IN

TUBE BIAS ADJUST POINTS

 

1

2

3

4

 

 

6414

6414

 

 

1

2

 

3

4

 

12AT7

12AT7

 

 

Amplifier Overhead View

with top cover removed

OUTPUT TUBES:4 x RUSSIAN 6CA7/EL34

The 6CA7's used are the Russian up-rated 6CA7's. This has been proven to be the rugged and reliable of this type and we strongly emphasize that only the RUSSIAN 6CA7's should be used in this amplifier. The MANLEY DIRECT INPUT 50/50 has been thoroughly optimised around this tube. Use of unapproved tube types can and will void your warranty.

DRIVER TUBES: 2 x 6414

The 6414 is an American military uprated version of the 12BH7A with increased current drive.

INPUT TUBES: 2 x 12AT7WA

The 12AT7WA has several equivalent numbers, (12AT7, 12AT7A, 6201, ECC81, etc.) Any of these types may be used. We have selected this 12AT7WA very carefully for noise, microphonics, and constancy. Replacement tubes of premium quality are always available from MANLEY LABORATORIES.

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Contents Manley Contents Introduction Thank YOUMains Connections Brown LiveConnecting Your Amplifier Output B+ Mains IEC Mains RCA Fuses Left Manley Bias Procedures Operational Notes Tube LifeSpecifications Warranty Warrantyregistration

50/50 specifications

Manley Labs has long been synonymous with high-quality audio equipment, and the Manley Labs 50/50 power amplifier is no exception. This remarkable amplifier is designed to deliver exceptional sound quality with a range of features and technologies that set it apart in the world of audio amplification.

At its core, the Manley 50/50 is a vacuum tube power amplifier, which means it utilizes vacuum tubes to amplify audio signals. This technology is beloved by audiophiles for its warm, rich sound reproduction. The 50/50 employs a unique combination of 6L6GC power tubes, providing an output of 50 watts per channel. This power output is ample for driving a wide variety of speakers, making it suitable for both home use and professional studio applications.

One of the standout features of the Manley 50/50 is its all-tube design, which ensures that the amplifier delivers a natural, musical sound that many believe cannot be matched by solid-state amplifiers. The 50/50 incorporates a push-pull configuration that results in low distortion and a wide frequency response. This means that listeners can experience a full spectrum of sound with incredible clarity.

The amplifier also boasts an impressive frequency response that ranges from 20 Hz to 20 kHz, allowing it to reproduce low bass tones and high frequencies with exceptional fidelity. This range is critical for achieving an accurate soundstage, making it a favorite among sound engineers and music enthusiasts alike.

Another notable aspect of the 50/50 is its user-friendly design. The front panel features a simple, yet elegant layout with power switches, LED indicators, and a robust set of speaker binding posts. This allows for easy connectivity and operation, making it accessible to both seasoned audiophiles and newcomers to high-end audio.

The build quality of the Manley 50/50 is equally impressive. Constructed in the United States, the amplifier features a sturdy chassis and a meticulous hand-wired design. This attention to detail ensures longevity and durability, making the amplifier a worthwhile investment for any serious audio enthusiast.

In conclusion, the Manley Labs 50/50 power amplifier stands out in the realm of audio amplification due to its all-tube design, impressive power output, and remarkable sound quality. With its combination of modern engineering and classic design, the 50/50 continues to be a favored choice for those seeking a high-fidelity listening experience.