Connecting M150 to Your System

Connecting M150 to the Loudspeakers:

The rear panel has binding posts for both 4 and 8 ohm loudspeakers as shown in Figure 1. In general, if your speakers are rated at less than 6 ohms, use the 4 ohm taps and use the 8 ohm taps if they are 6 ohms or greater.

CAUTION – Do not operate the amplifier unless it is connected to a loudspeaker.

Connecting M150 to the preamplifier:

There are two types of input connections on the rear panel of M150:

1)Fully balanced XLR type input.

2)RCA input

The input connections can be made using either the XLR or RCA input, depending on your system setup.

Note that if you have a variable output CD player you can drive the M150 with it directly.

		Main Fuse
4 Ohm Tap
8 Ohm Tap	Ultra Linear/
	Ultra Linear/
XLR Input	Triode Switch	Power In
XLR Input	Ground Lift
RCA Input	Ground Lift
RCA Input	Switch

Figure 1. Rear panel layout

M-150 specifications

The Rogue Audio M-150 is a high-performance tube amplifier that epitomizes a blend of classic aesthetics and modern engineering. Designed for audiophiles who appreciate the warmth and richness of tube sound, the M-150 delivers a compelling listening experience. Producing 150 watts per channel, it can drive a wide range of speakers with exceptional clarity and power.

The heart of the M-150 lies in its use of EL34 output tubes, which are known for their musicality and detail. These tubes work in conjunction with a sophisticated circuit design that optimizes the amplifier’s performance while minimizing distortion. The M-150 features both balanced and single-ended inputs, allowing users to connect a range of source components, including digital and analog sources, seamlessly.

One of the standout technologies in the M-150 is its unique automatic biasing system. This system ensures that the output tubes operate at their optimal performance level without requiring frequent adjustments. This feature not only enhances reliability but also prolongs the life of the tubes, making it an ideal choice for both novices and experienced listeners.

The M-150 also includes a robust power supply that provides ample current to drive demanding loads. The transformer is custom-designed to deliver low noise and minimal distortion, further contributing to the amplifier's overall sonic quality. The result is a dynamic range that captures the nuances of recordings, from the subtleties of classical music to the aggressive nature of rock.

Additionally, the amplifier boasts a sleek and stylish design, with a brushed aluminum front panel and large, illuminated VU meters that provide a visual indication of output levels. The chassis is stout and well-built, designed to minimize vibrations and mechanical noise, which can interfere with audio performance.

Whether you are a dedicated audiophile or simply someone who appreciates good sound, the Rogue Audio M-150 offers a compelling combination of tube warmth, power, and innovative features. Its impressive audio fidelity, ease of use, and aesthetic charm make it a remarkable choice for anyone looking to elevate their listening experience to new heights. This amplifier is a testament to Rogue Audio's commitment to craftsmanship and quality in audio reproduction.