5
Description System State Specification
Power @ THD = 1% Vin = Approx 1V (0dBV) 240W Min, 250W Nom.
Gain – Vin req’d for 250W into 4 Ohm Vin = Approx 1V (0dBV) 1dBV +/-0.5dB
THD @ Full Power –3dB (125W/4Ohm)
40kHz AES17
Vin = Approx 3dBV,
Regulate to 125W
1.0% Max, 30Hz to
15kHz
Power Bandwidth, -3dB re Max Power
for THD = 1%
Vin = Approx 1V (0dBV) 20Hz to 20 kHz +/-
0.5dB
Frequency Response, Small Signal (1W) Vin = Approx 63.2mV 20Hz to 20kHz Min
S/N Ratio (Dynamic Range), A-wtd,
+22kHz Filter
Adjust Vin for ref 1% THD 100dB Min.
DC Offset No Signal, R-L = 4 Ohms < +/- 30mV
Input – Output Polarity Vin = -20dBV Non-Inverting
Square Wave Response (Stability) Vin = 0.71V (-3dBV), R-L=4 Overshoot <20%
Current Limit Margin @ Min Z Frequency Behavior w/R-L = 2 Ohms Iss pk = 13A Min
Low Impedance Behavior Behavior w/R-L = 2 Ohms Shut-Down, No
Damage
Power Amplifiers (All measured using AES17 20kHz Filter Line Input 1,2)
Specifications
Part List Notes
1. This part is not normally available from Customer Service. Approval from the Field Service
Manager is required before ordering.
2. The individual parts located on the PCBs are listed in the Electrical Part List.
3. This part is critical for safety purposes. Failure to use a substitute replacement with the
same safety characteristics as the recommended replacement part might create shock, fire
and/or other hazards.
4. This part is referenced for informational purposes only. It is not stocked as a repair part. Refer
to the next higher assembly for a replacement part.
Electrostatic Discharge Sensitive (ESDS)
Device Handling
This unit contains ESDS devices. We recommend the following precautions when repairing,
replacing or transporting ESDS devices:
• Perform work at an electrically grounded work station.
• Wear wrist straps that connect to the station or heel straps that connect to conductive
floor mats.
• Avoid touching the leads or contacts of ESDS devices or PC boards even if properly
grounded. Handle boards by the edges only.
• Transport or store ESDS devices in ESD protective bags, bins, or totes. Do not insert
unprotected devices into materials such as plastic, polystyrene foam, clear plastic bags,
bubble wrap or plastic trays.
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