Handbook for Sound Engineers

292 Chapter 11 three-section primary that can be series-connected as a 1:4 step-up for 25ȍ to 40ȍ devices and parallel-con- nect ...

Audio Transformers 293 symmetry will be determined largely by the balance of line and load impedances. 11.2.1.5 Inter-Stage and ...

294 Chapter 11 many interleaved sections to achieve bandwidth extending well beyond 20 kHz. If the quiescent plate currents and ...

Audio Transformers 295 ical dynamic elements have impedances from 10ȍ to 30 ȍ, which require step-up turns ratios from 1:2 to 1: ...

296 Chapter 11 11.2.2.3 Line to Microphone Input or Direct Box Because its high-impedance, unbalanced input accepts line-level s ...

Audio Transformers 297 Fig. 11-42 shows results of ground noise rejection tests when a balanced output drives an unbalanced inpu ...

298 Chapter 11 former). In all the test cases discussed in this section, results of using both an output and an input transforme ...

Audio Transformers 299 former with taps for turns ratios of 1:1.4 or 1:2 which could be used to drive a 70 V line from amplifier ...

300 Chapter 11 It is very important to understand that, while the low-level frequency response of a transformer may be rated as ...

Audio Transformers 301 than TX is not suppressed and is heard in RX. A common problem with hybrids of any kind is adjusting netw ...

302 Chapter 11 11.3 Measurements and Data Sheets 11.3.1 Testing and Measurements 11.3.1.1 Transmission Characteristics The test ...

Audio Transformers 303 11.3.1.3 Resistances, Capacitances, and Other Data Other data which can be very helpful to an equipment o ...

304 Chapter 11 Figure 11-55. Specification sheet for a quality transformer. Courtesy Jensen Transformers, Inc. ...

Audio Transformers 305 Figure 11-55 Continued. Specification sheet for a quality transformer. ...

306 Chapter 11 11.4 Installation and Maintenance 11.4.1 A Few Installation Tips Remember that there are very tiny wires inside ...

Audio Transformers 307 References Magnetic Shield Corporation, Frequently Asked Questions, http://www.magnetic-shield.com. Sowt ...

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309 Chapter 12 Tubes, Discrete Solid State Devices, and Integrated Circuits by Glen Ballou 12.1 Tubes........................... ...

310 12.3.6 Balanced Line Interfaces............................................................... 353 12.3.6.1 Balanced Line In ...

Tubes, Discrete Solid State Devices, and Integrated Circuits 311 12.1 Tubes In 1883, Edison discovered that electrons flowed in ...