EAM LAB CLASSIC AMP 250M - PAIR

Mono power amplifiers







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The new CLASSIC 250M is a monophonic system with a technological development that will leave you breathless.
With an elegant and modern design, they are not only a gem for the eyes, but also capable of giving you an extraordinary sound experience. Thanks to the great power and precision, you will immerse yourself in a world of crystal-clear sounds with an extended dynamic range that will enhance every note and every detail of your favorite music.
In a compact chassis, thanks to modern electronic technologies, there is a power amplifier capable of delivering over 1Kw on a 2 ohm load and capable of putting even the most demanding speakers on the world scene to the test.
Get ready to experience unique emotions with this system with an unforgettable sound
The heart of our performance: the power stage
the true heart of every amplifier, especially for our amplifiers, is for us a given of extreme care and detail of fundamental importance, resources and commitment.
CLASSIC 250M is equipped with a low induction transformer that powers the rectifier circuits mounted on a single PCB without loose wiring such as to allow a connection without contact resistors.
This design shortens the electrical path from the transformer to the final output stages, reducing overall impedance and allowing the circuit to respond faster while better controlling the speakers and more accurately.
The technology in our transformers
DIMENSIONS and WEIGHT: it is an almost certain data to ensure good performance, however these two measurements if considered as an end in themselves do not guarantee the final result. It is a set of further additional factors that determine the difference between a good transformer and an excellent transformer.
We cannot tell you point by point how we build our transformers being subject to factory veto but we can describe the major requirements to understand the efforts implemented in 20 years of research, study and evolution of materials that we use on a large scale.
Such as an extremely low induction, toroidal cores made of iron and magnesium powder, innovative coil winding and interlacing technique and last but not least, a copper magnetic shielding throughout the body.
You won't hear a more stable and silent transformer than ours!
Balanced input stage, our philosophy
the most delicate, fundamental part that must be treated with extreme care, because it is also this stage that overall determines the general performance of reproduction
this delicate task is entrusted to our proprietary HDCA modules now in their third version. Today even more refined, clear and transparent.
we assemble them with components selected for their linearity and bandwidth characteristics. The circuit operates in an open loop and the feedback is so low as to become practically negligible.
The circuit operates in pure class A and does not use decoupling capacitors across the various signal processing stages.
The power stage
revolves around a circuit design in helmet configuration. This tested configuration of ours allows a wide and extended bandwidth and the driving of the power amplifiers takes place via a Darlington type configuration.
6 pairs per channel of latest generation bipolar transistors ensure reliability and stability in any conditions of use, load or current demand.
A new integration of the circuits with SMD components allows shorter signal paths, greater noise rejection and a notable decrease in "microphonics" due to vibrations
The power transformer, in addition to being shielded, is mounted under an iron cover which further increases its rejection of disturbances. The entire filter bank and the rectifier diodes are instead mounted on a PCB with 70 micron copper without air wiring.
This decreases the contact resistance providing a higher current input and with greater transfer speed increasing the damping factor and control over the speakers
Mono amplifier operating in class A up to 5 Watts
• RMS power per channel @ 1Khz, both channels driven
300W @ 8 ohms
550W @ 4 ohms
900W @ 2 ohms
• EIA power per channel from 20 Hz to 20 Khz, both channels driven
480W @ 8 ohms
700W @ 4 ohms
1300W @ 2 ohms
• Input impedance:
47 Kohm via XLR, 22 Kohm via RCA
• Slew/rate
30V/uS
• Damping Factor
>200 into 8 ohms at 50hz / 150 Hz / 500 Hz
• Sensitivity
2.4 Vrms for full power @ 8 ohms
• Frequency response
10hz – 80Khz +/- 2db
• THD vs FR
0.003% @ 1Khz for 200 Wrms @ 8 ohms
• Input CMRR > 80 db
• A-weighted SNR >115 db
• Dimensions 33 x 38 x 22 cm. (W x D x H)