| Frequency response |
DC - 30 kHz, +0.1, -0.5 dB |
| 8 ohm power response |
DC - 50 kHz: ± 150 Vpk |
| DC - 150 kHz: ± 50 Vpk |
| DC - 200 kHz: ± 25 Vpk |
| Maximum continuous output power |
6600 watts RMS |
| Slew rate |
41 V/μSec |
| Phase response |
± 8.3 degrees (10 Hz - 10 kHz) |
| Unit to unit phase error |
± 0.1 degrees at 60 Hz |
| Output offset |
7796 |
< 5 mV, field adjustable to < 1 mV |
| 7796P |
< 200 µV |
| Output offset current |
< 10 mill amperes DC |
| DC drift |
7796 |
± 1.5 mV |
| 7796P |
± 400 μV (from cold to max operating temp) |
| ± 200 μV (after 20 minutes of operation) |
| Residual noise |
Unfiltered |
< 75 μV |
| Filtered
(400 Hz-30 kHz) |
< 55 μV |
| THD |
DC - 30 kHz < 0.1% |
| Input Characteristics |
| Balanced with ground |
3 terminal barrier block connector 20k ohm differential |
| Unbalanced |
BNC connector, 10k ohm single ended |
| Gain |
| Voltage mode |
20 volts/volt |
| Current mode |
20 amperes/volt |
| Gain Linearity (over input signal, from 0.2V to 5V) |
7796 |
0.1% |
| 7796P |
DC |
0.0125% |
| AC |
0.030% |
| Max Input voltage |
± 10V balanced or unbalanced |
| Input impedance |
20k Ohm differential |
| Input sensitivity |
3.0V input for 3800W output into 1 ohm (adjustable) |
| Common mode rejection range |
± 11 VDC max |
| Common mode rejection ratio |
70 dB |
| Display, Control, Status, I/O |
| Front Panel LED Displays indicate |
Run, Ready, Standby, Stop, and Fault conditions in the output stage |
| LCD Display |
Lists type of fault condition and gives suggested corrective action |
| Soft Touch Switches for |
Run (Enable), Stop, Reset |
| User Configurable |
LCD display can be configured for up to four simultaneous displays reporting one, two or all four of the following: Voltage Peak, Voltage RMS, Current Peak, and Current RMS |
| Back Panel |
| Power Connection |
NEMA-style locking receptacle; matching AC connector also included |
| Signal Output |
4-position terminal barrier block |
| Signal Input |
User-selectable Unbalanced BNC or Balanced Barrier Strip |
| Interlock Connector |
25-pin D-sub connector used for amplifier control and status applications; also used in multi-amplifier applications |
| Communication Capabilities |
| Current Monitor |
± 1V / 20A ±1% |
| Voltage Monitor |
± 1V / 1V ±1% |
| Reporting |
System Fault, OverTemp, Over Voltage, Overload |
| Control |
Force to Standby; Reset after a fault |
| Protection |
| Over/Under Voltage |
± 10% from specified supply voltage amplifier is forced to Standby |
| Over Current |
Breaker protection on both main power and low voltage supplies |
| Over Temperature |
Separate Output transistor, heat sink, and transformer temperature monitoring and protection |
| Physical Characteristics |
| Chassis |
All aluminum construction designed for stand-alone or rack-mounted operation with black chassis; the amplifier occupies seven EIA 19-inch-wide rack units |
| Weight |
153 lbs. (69 kg) |
| AC Power |
Three-phase, 208 VAC ±10%, 47-60 Hz, 30A AC service. (400 VAC +/-10%, 20A version available) |
| Operating Temperature |
10°C to 50°C (50°F to 122°F), Maximum Output Power de-rated above 30°C (86°F).) |
| Humidity |
70% or less, non-condensing |
| Cooling |
Forced air-cooling from front to back through removable filters via six 100 ft3/min. fans. No space is required between rack-mounted amplifiers. Air filters are removable from the rear via one fastener per side and may be eliminated if cabinet filtration is provided. |
| Dimensions |
19 in. x 22.8 in. x 12.25 in. (48.3 cm x 57.9 cm x 31.1 cm). Unite occupies seven EIA 19-inch-wide rack units. |
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