Audio Engineering

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Introduction to Audio Amplifi cation John Linsley Hood In the fi eld of audio amplifi ers there has been great interest in techn ...

164 Chapter 6 If there is judged to be any signifi cant difference in the perceived sound quality, as between different pieces o ...

Introduction to Audio Amplifi cation 165 waveforms within the audio frequency spectrum, should not exceed some agreed upon level ...

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Preamplifi ers and Input Signals John Linsley Hood 7.1 Requirements ............................................................ ...

168 Chapter 7 source, which gives an output voltage of 1 mV for each 1000 ohms of load impedance, such that a unit with a 100-K ...

Preamplifi ers and Input Signals 169 7.3 Gramophone Pick-Up Inputs ............................................................. ...

170 Chapter 7 LP records are produced, in conformity with the Recording Industry Association of America (RIAA) recording standar ...

Preamplifi ers and Input Signals 171 Typical signal output levels from these cartridges will be in the range 0.02–0.2 mV/cm/s in ...

172 Chapter 7 The circuit arrangements shown in Figures 7.4(c) and 7.4(d) use “ shunt ” type negative feedback (i.e., that type ...

Preamplifi ers and Input Signals 173 cartridge), and this sets an input “ resistor noise ” threshold, which is higher than desir ...

174 Chapter 7 approaches unity, whereas both the RIAA specifi cation and the accurate reproduction of transient waveforms requir ...

Preamplifi ers and Input Signals 175 packaged in eight-pin dual-in-line forms. These are typifi ed by the Texas Instruments TL07 ...

176 Chapter 7 problem is less acute anyway, so the problem relates almost exclusively to the circuit impedance of the MC input c ...

Preamplifi ers and Input Signals 177 0.4R 47 R 270 R 270 R 270 R 270 R 680 R 3K3 3K3 3K3 3K3 Input from PU 220 R NFB 1K0 100 μ 1 ...

178 Chapter 7 Linn/Naim and Braithwaite designs, this evening out of transistor characteristics in circuits having common base c ...

Preamplifi ers and Input Signals 179 simultaneously formed on the same silicon chip. Since these can be assumed to have virtuall ...

180 Chapter 7 The penalty in this case is that, because such transistor types are not specifi ed for low noise operation, some p ...

Preamplifi ers and Input Signals 181 In the circuit of Figure 7.10 , the input transistors are used in a more conventional commo ...