The sound output mode of this amplifier is surround sound. It has an input sensitivity of 100 mV and the input impedance is 48 K Ohm. This amplifier has an output power of 125 Watts at 8 ohm impedance with 1.0%. THD The system has 5 channels and a frequency range of 20 – 20000 Hz. The response band width of this amplifier is 10-10000Hz. This amplifier has thermal protection and gold plated connectors. The connections of the system are 5 Audio line-in (RCA phono) and 5 Speakers output (Banana/spade x 2) at the rear position. The signal to noise ratio of the system is 117 dB.

The Adcom GFA 7605 Black Amplifier supports internal power supply. It has dimensions of 17 x 15 x 5.7 inches and has a weight of 42.1 lbs. The manufacturer offers a limited service and support warranty of 5 years for this system.

This stylish black sound amplifier that comes with a weight of 48 lbs is very easy to use, hassle free and most of all guarantees a fair price. This 7 channel power amplifier completes your home music system giving you total satisfaction and incredible value. This amplifier produces such powerfully loud sound and effects that it may just shatter your window panes. It is provide with 125 watts power for the 7 channels into 8 ohms. Further, this smart amplifier consists of gold plated RCA inputs and gold plated 5 way binding post speaker terminals.

The sleek Adcom GFA-7607 Power Amplifier consists of large Torodial transformers. It provides mono block power supply design for all the 7 channels. Further this device supports 140,000 micro Farads of power supply capacitance and a power bandwidth of 10 Hz to 100 kHz. Besides it consists of LED indicator and power button. It also has an IEC socket for plugging in the power cord. Each of the channels are marked in large white letters such LF, RF and C, etc to facilitate easy installation.

Moreover the output jacks are far enough not to cause any dangers of short circuits by touching each other while connecting the speakers or bi-wiring with heavy cables. Further this diligent device is provided with an audio signal to noise ratio of 118 dB, frequency response of 10 Hz to 20 kHz and a THD of 0.02%. The company provides 5 years warranty for this device.

Adcom GFA-7707 Multichannel Power Amplifier

This power amplifier has seven input as well as seven output channels. It offers an impedance of 8 ohms for 200Watts output power and 4 ohm for 300 Watts output. It has an input sensitivity of 1.4V and gives out a signal-to-ratio of 125dB. This device offers USB connectivity.

Connection slots are provided at the rear for audio line-in and speakers. A 20 Amp circuitry is required to operate this device. Some of its general features include the following. It has a damping factor 1k which is greater than 500. This also features a frequency response of 3Hz to 130 kHz and total harmonic distortion of 1.00%. Speaker terminals are provided in the device as Gold Plated 5-way binding post. The dynamic headroom of the device is about 0.96dB. This feature enables us to hear even the slightest sound at a higher volume.

External faults do not halt the operation of the amplifier as it is self-protected from such faults. The power rig circuit topology helps to provide high current and high power output for audio of low distortion. Its power bandwidth ranges from 10Hz to 100 kHz.

The input power supply is provided with its internal power system. Provided with all these features and characteristics for optimum performance, Adcom GFA-7707 Amplifier is a fine product from Adcom.