CROWN 180A

The Model 180A by Crown



The Crown 180A is a high-value amplifier for commercial and industrial audio. It provides 4-ohm and constant-voltage outputs (70V and 100V). The amp is part of Crown’s Commercial Audio Series, which also includes mixers and mixeramps. These low-cost units provide all necessary features in a simple building-block format. The amplifiers vary in their number of inputs, number of outputs, and power range:

180A has 1 input and one 80W power amplifier for single-zone systems.

180A SPECIFICATIONS
Frequency Reponse (at 1 watt from 4-ohm tap): 70 Hz to 19 kHz +/- 1 dB.
Frequency Response (at line out): 20 Hz to 20 kHz +/- 1 dB.
Power Bandwidth (at 4-ohm tap, 2 dB below maxium 1 kHz power): 50 Hz to 20 kHz with < 0.5% THD
Signal to Noise Ratio (ref. to rated power, master volume at minimum): 85 dB.
DC Output Offset: < ±5 mV.
THD: Less than 0.5% at rated power at 1 kHz.
Input Sensitivity (for full output at maximum gain): 800 mV.
Input Impedance (nominal): 100 kilohms.

Minimum Load Impedance:

100V output: 160 ohms.
70V output: 80 ohms.
4-ohm output: 4/8 ohms.
Crosstalk (all controls at “10”): –70 dB at 1kHz.
Line Output Level (nominal): 1V into 10 kilohms.

AC Line Voltages Available:

100V 50/60 Hz
120V 60 Hz
220V 50/60 Hz
230V 50/60 Hz
240V 50/60 Hz