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INTRODUCING THE M-3000 MK II MONOBLOCK POWER AMPLIFIER
The M-3000 MK II monoblock amplifier is Allnic Audio’s top of the line, parallel push-pull power amplifier
model. Like all Allnic Audio products, the M-3000 MK II has Permalloy (iron and nickel alloy) for its transformer
cores. Allnic is grateful to Mr. G.W. Elmen of Western Electric for inventing Permalloy for transformer core
use, and in so doing, providing an enormous service to recorded music listeners everywhere.
The M-3000 MK II is an updated version of the original M-3000. It uses the new, powerful and musical KT150
power tube, with requisite changes to transformers and several minor circuit elements. The MK II has the
following features:
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200 watts of high power output in pentode mode, 100 watts in triode. The M-3000 MK II is a parallel push-pull,
triode/pentode switchable power amplifier.
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Powerful Driving Circuitry. Allnic believes in the importance of using high-quality, low noise and powerful driving
circuitry in all its amplifying devices. Therefore, in the M-3000 MK II, we employ the E282F tube in triode mode as
the second stage driver tube, with a load of about 5K ohms, and using 20mA of current. The listener can easily
hear and even "feel" the differences between this design and other, more conventional, ones. Please imagine, as
you listen to the M-3000 MK II, its sound compared to the sound of an amplifier with conventional 12AU7 or
12BH7's used as drivers, with a load of about 47K ohm, and using 2 to 3mA of current.
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“Full Engagement" Output Transformers. Conventional output transformers use pre-set secondary windings to
accommodate 4, 8 and 16 ohm loudspeaker loads. However, these conventional transformers utilize
only one secondary winding at a time, while the other secondary windings remain "idle". This approach has two
adverse effects. First, the output transformers are not working at their maximum efficiency, reducing their output
relative to their potential. Second, the "idle" windings are not actually "idle"; they are subject to parasitic
oscillations, producing their own "signal". This undesirable electrical information is additive to the transformer's
output, distorting the amplified signal going to the loudspeaker. Allnic's "Full Engagement" transformers address
these issues by having 4 independent, secondary windings that are always fully connected, never "idled". This
means that all secondary windings are always connected to your loudspeakers, regardless of which output switch
position you use (4 ohms or 8 ohms or 8 ohms or 16 ohms, depending on the factory configuration you have
selected). The result is that there is neither a loss of transformer output efficiency, nor the introduction into the
output signal of distortion from parasitic oscillations of the secondary windings.
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Large Nickel/FeSi Core Output Transformers. As with our other models, Allnic uses very large output
transformers (114 mm) with nickel, mixed with FeSi, cores. This provides for higher inductance with fewer
windings than other designs can provide and results in the great benefit of an extremely wide range of output
frequencies.
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"Soft-start" Circuitry. Allnic uses soft start circuitry that, after sufficient warm-up only, provides the high voltage
supply to the plate of each tube. This protective design results in prolonged tube life and fewer and less frequent
issues with tube performance.
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Analogue Power Tube Current Monitors. In order to provide constant current (bias) monitoring for the power
tubes, Allnic uses a separate analogue current meter for each tube. The meters make it exceptionally easy to see
the status of each tube at any time and to respond immediately to any variation in bias by use of the bias control
knob for the relevant tube. The meters offer a simple, unambiguous indication of each tube's status compared
to conventional LED bias monitors.
