Pioneer A-5 Bedienungsanleitung Seite 3

FEATURES
NON SWITCHING AMP for Power Amplifier
The power amplifier section 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 35 watts* per channel, min., at 8
ahms from 20 Hertz to 20,000 Hertz with no more than 0.009%
total harmonic distortion.
The voltage amplification stage features two current detector
circuits to control the bias circuit voltage and prevent the cur-
rent 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.
Nested Feedback Loops (NFL)
The power amplifier section adopts a Nested Feedback Loops
technology, which aims for improvement in distortion by in-
volving the use of the nested differentiating feedback in multi-
ple form from the output stage. This technology initiated by
Associate Professor Edward M. Cherry of Monash University,
Australia.
Recording Selector Switch Featured
This switch allows you to record another program source onto
a tape in your tape deck even while you are listening to the
source which you have selected with the function switch.
Pictographic Input/Output Display
By using pictographs for the function position and speaker
output display, operational ease is enhanced and the opera-
tional mode of the tone controls in the signal path is indicated.
Attractively Styled Group Display Panel Design
All the function switches and volume control which are used
regularly are positioned on the right while all the indicators
that show the signal flow, output level and other modes of
operation at a glance are housed on a panel in the center of the
unit.
* Measured pursuant to the Federal Trade Commission's Trade
Regulation rule on Power Output Claims for Amplifiers.
3