Page 5
Com-Tech 200/400/800/1600 Power Amplifiers
ILLUSTRATIONS
1.1
Com-Tech Amplifiers (120 VAC, 60 Hz Units) ........................... 6
2.1
Front Facilities ........................................................................... 8
2.2
Rear Facilities ............................................................................ 9
3.1
Mounting Dimensions .............................................................. 10
3.2
Top View of a Rack-Mounted Unit ........................................... 11
3.3
Extra Cooling with a Rack-Mounted Blower ............................ 12
3.4
Wiring for Dual 8/4 Ohm Mode ................................................ 13
3.5
Wiring for Dual 70 Volt Mode ................................................... 14
3.6
Wiring for Bridge-Mono 70 Volt Mode (140 Volt Output) ......... 15
3.7
Wiring for Parallel-Mono 70 Volt, Bridge-Mono 8/4 Ohm
and Parallel-Mono 8/4 Ohm Modes ......................................... 16
3.8
Unbalanced Input Wiring ........................................................ 17
3.9
Balanced Input Wiring ............................................................. 17
3.10 Subsonic Filter Capacitor Values ............................................ 17
3.11 Unbalanced RFI Filters ............................................................ 18
3.12 Balanced RFI Filters ................................................................ 18
3.13 Wire Size Nomograph ............................................................. 19
3.14 Inductive Load (Transformer) Network .................................... 20
3.15 Loudspeaker Fuse Nomograph .............................................. 20
4.1
ODEP, IOC and Signal Presence Indicator States .................. 23
4.2
Input Sensitivity Switch ............................................................ 25
5.1
Circuit Block Diagram ............................................................. 27
6.1
Com-Tech 200 Minimum Power Matrix ................................... 32
6.2
Com-Tech 400 Minimum Power Matrix ................................... 33
6.3
Com-Tech 800 Minimum Power Matrix ................................... 34
6.4
Com-Tech 1600 Minimum Power Matrix ................................. 35
6.5
Com-Tech 200 Maximum Power Matrix .................................. 36
6.6
Com-Tech 400 Maximum Power Matrix .................................. 37
6.7
Com-Tech 800 Maximum Power Matrix .................................. 38
6.8
Com-Tech 1600 Maximum Power Matrix ................................ 39
6.9
Typical Frequency Response ................................................. 40
6.10 Typical Damping Factor .......................................................... 40
6.11 Typical Output Impedance ...................................................... 40
6.12 Typical Phase Response ......................................................... 41
6.13 Typical Crosstalk ..................................................................... 41
7.1
Com-Tech 200 Power Draw, Current Draw and
Thermal Dissipation at Various Duty Cycles ........................... 42
7.2
Com-Tech 400 Power Draw, Current Draw and
Thermal Dissipation at Various Duty Cycles ........................... 43
7.3
Com-Tech 800 Power Draw, Current Draw and
Thermal Dissipation at Various Duty Cycles ........................... 43
7.4
Com-Tech 1600 Power Draw, Current Draw and
Thermal Dissipation at Various Duty Cycles ........................... 43
8.1
Installing a
P.I.P. Module ......................................................... 44
8.2
Cooling Fan Option ................................................................. 46
8.3
Cooling Fan Assembly ............................................................ 46
