Octave HP 700 - Page 4

CONTENTS
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9. TUBES .................................................................................................................................... 17
Line tube layout with adjustment capability ............................................................................ 17
Phono tube layout ................................................................................................................... 18
Control unit tube layout ........................................................................................................... 19
Replacing tubes ...................................................................................................................... 20
Tube service life ...................................................................................................................... 20
10. OUTPUT RESISTANCE ......................................................................................................... 21
Adjusting the output resistance .............................................................................................. 2 1
11. OPTIONS ................................................................................................................................ 22
Option: Additional line-level input module .............................................................................. 22
11.1.1. Assembling the additional line-level input module ................................................ 22
11.1.2. Available line-level input modules: see inlay manual “In- and Output Modules”
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Option HP 700 with phono ...................................................................................................... 24
11.2.1. HP 700 with phono RIAA ...................................................................................... 24
11.2.2. Subsonic filter ........................................................................................................ 25
11.2.3. Assembling the phono input modules ................................................................... 26
11.2.4. Available phono input modules: see inlay manual “In- and Output Modules”....... 26
Option: HP 700 with control unit ............................................................................................. 2 7
Option: HP 700 with stepped attenuator ................................................................................. 29
12. TROUBLESHOOTING ........................................................................................................... 30
Troubleshooting ...................................................................................................................... 30
13. TECHNICAL DATA ................................................................................................................ 31
In- and outputs ........................................................................................................................ 31
Dimensions ............................................................................................................................. 33
13.2.1. HP 700 preamplifier (dimensions in mm) .............................................................. 33
13.2.2. External power supply (dimensions in mm) .......................................................... 33
Diagrams ................................................................................................................................ 34
13.3.1. HP 700 line frequency response ........................................................................... 34
13.3.2. FFT interference spectrum .................................................................................... 34
13.3.3. Control range and balance control frequency response ....................................... 35
13.3.4. Line stage hum and noise level ............................................................................ 35