CEC AMP53

Commentary

A control / power amplifier developed with a design philosophy of "keeping the signal path as short as possible".

Digital Intelligent Gain Management (DIGM), an original volume control technology, is adopted.
This volume controls the gain of the amplifier by switching the metal film register using a class A switch using a bipolar transistor without reducing the level of the input signal, and improves the quality of the amplifier by digitally controlling the gain of the amplifier.
There are 66 levels of volume control for each 1 dB.
In addition, the digital balance adjustment function is realized by using the DIGM function, and the left / right balance adjustment can be adjusted up to + 10 dB in increments of 1 dB.

It employs a new-generation LEF circuit (Load Effect Free) originally developed by CEC, and consists of a pure A-class single-ended amplifier.

All circuits from the input stage to the output stage are designed to be fully balanced. In addition, the left and right music signals are processed by independent circuits to reduce interference between the circuits.

To adjust the volume levels of the sources with different output levels, it is possible to increase the gain by 6 dB for each input channel.

Eight 15A power transistors are used to maintain high power even for complex loads.

The power supply employs a 90,000 μ F capacitor and a 300W toroidal transformer coupled with a new LEF circuit.

Aluminum extrusion is used for the case and volume knob to improve cooling effect as well as high stability.
In addition, the heat sink located just under the top cover is integrated with the chassis, and air drawn from the top back passes through the heat sink while cooling it and is discharged from the bottom center by the fan.

Equipped with an internal temperature control system, the sensor senses the internal temperature of the amplifier, and automatically controls the air flow in the cooling unit to maintain the appropriate internal temperature.

Volume, input switching, amplifier internal temperature, etc. are displayed on two VFD displays.

Model Rating

Type	Control / Power Amp
Rated output	100W + 100W (8 Ω)
Input gain	0 dB, + 6 dB
Input terminal	Balance : XLR2 system Unbalanced : 2 RCAs
Output	One speaker output
Pwer	100 VAC, 50Hz/60Hz
External dimensions	Width 217.5x Height 100x Depth 448 mm
Weight	9.6kg
Attachment	AC cord Remote control