Diamond
Promoted
Greater Accra, Accra Metropolitan, 56 min ago
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Pioneer a-8
Stereo Integrated Amplifier - American Spec
Amplifiers
Type
Used
Condition
Pioneer
Brand
4.0 Channel
Amplifier Configuration
90watts
Amplifier Output Power
RCA
Amplifier Connectivity
Store address
Greater Accra • Ga West Municipal
Box 742,Accra
06:00-20:00
The power amplifier section of the Pioneer A-8 adopts a non-switching amplifier system which combines the merits of the class A amplifier's high quality and the class B amplifier's high efficiency for a continuous power output of 90 watts per channel, min at 8 ohms from 20 Hz to 20,000 Hz with no more than 0.005% total harmonic distortion.
The voltage amplification stage features two current detector circuits to control the bias circuit voltage and prevent the current flowing to the power transistors from being cut off.
As a result of these innovations, the distortion generated when the transistors are switched is suppressed, the dynamic distortion is improved and the sound takes on an extra dimension in clarity extended to the high-frequency range.
The power amplifier features a DC servo circuit employing an operational amplifier.
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