【 Weak current College 】 audio equipment and system knowledge (3)---Power By 【 China power house network 】

101.OCL circuit fore using differential amplification circuit's main purpose is to overcome the zero point drift

102.OCL circuit bootstrap capacitor's main role is to improve the amplifier gain

103.OCL circuit amplifier tube sets certain offset voltage of main role is to reduce the crossover distortion

104.OCL circuit amplifier tubes emitter series negative feedback resistor is stable operating point

105.BTL circuit in the power supply voltage and load unchanged conditions, its output power is 4 times the OCL circuit

106. the speaker protection circuit's main function is to prevent direct current to flow into the speaker burn out

107. ① ② tape recording, player ③ L P C D player three contrast, high and low-noise indicators to sort; ① ② ③;

108. ① ② tape recording, player, L P C D player ③, comparison of the three, the sort of earthquake performance; for ① ② ③;

109. ① ② L tape recording, player, ③ P C D player, contrast, size of reproducing rate as ① ② sorted;; ③

110. ① ② tape recording, player, L P C D player, ③ three contrast the sort of frequency response indicators as ① ② ③;;

111. ① ② tape recording, player, L P C D player, ③ three contrast, high and low harmonic distortion as the sort; ② ③; ①

112. ① ② tape recording, player, L P C D player ③, comparison of the three, the program saves the life of the length of the sort for ① ② ③;;.

113. the flutter is the record player or cassette recorder produces output signal sound cyclical variation of frequency

114.CD player in SKIP symbol indicates that the jump music

115.CD player in REPEAT symbol indicates that duplicate drop sing

116.CD player INTRO notation in Overture sweep

117.CD player in PROGRAM symbol indicates that the programming

118. the effect of DEPTH symbol represents depth

119. effect of ATTACK symbol indicates that the establishment of

120. the effects of PROCESSORnotation processors

121. the effect of RELEASE symbol indicates that the recovery

122. the effects of TRG symbol indicates that the trigger

123. the effect of DIFFUSION symbol indicates that the proliferation

124. the effects of RECALL symbol indicates that the call

125. the effect of FREEZE symbol indicates that the freeze

126. the effects of the symbol indicates that the parameter PARAM

127. the effects of SPACE symbol space

128. the effects of REFLECTION symbol indicates that the reflection

129. the effects of choral CHORUS notation

130. the complementarity principle of noise reduction is recording the signal level is weak, strong signal level lower, when instead handle the playback

131. Dolby B noise reduction principle is sound when compressing the dynamic range, the weaker high frequency signal, when instead handle the playback

132. the compressor's ATTACK symbol indicates that the boot-time tuning

133. compressor LINK symbol indicates stereo chain switches to the left and right channels are compressed between

134. compressor GAINREDUCTION notation gain attenuation, display compressed out of level

135. compressor RELEASE symbol indicates that the recovery time adjustment

136. compressor COMPRATIO symbol indicates that compression ratio

137. compressor THRESHOLD notation up control threshold (threshold)

138. the compressor's COMP symbol indicates that the compression state

139. compressor EXPGATE symbolic representation extended door adjustment

140. the pressure diffuser of SIDECHAIN symbol indicates that the bypass link

141. the pressure diffuser of STERTOCOUPLE notation stereo coupling switch

142. the pressure diffuser of EXPANDERTHRESHOLD symbol indicates that the extended threshold adjustment

143. the pressure diffuser EXPANDERRATIO symbol indicates that the extension of the proportion of regulation

144. the actuator of the OVERHANG key function is to regulate is to strengthen the bass content of

145. the actuator's GIRTH key function is to adjust the bass and strengthen effectiveness of the

146. the principle of the actuator is in the original signal frequency area joined the third harmonics-based ingredients

147. the actuator's TUNE key function is to regulate Exciter frequency harmonics of low-frequency limit

148. the actuator's key features is BIGBOTTOM Exciter accents processor

149. the incentive for IN/OUT key function is to switch actuators work or bypass

150. the actuator's key feature is the MIX adjustment effect signal in direct signal proportional to the