Marshall Amplification specifications PA400 Rear Panel, Specifications, Rear Panel Features

0dBm nominal.

500 Ω.

0dBm nominal.

500 Ω.

400 Watts into 2 Ω.

300 Watts into 4 Ω.

200 Watts into 8 Ω.

0dBm nominal. 500 Ω.

PA400 REAR PANEL

Rear Panel Features.

32.Mains switch - Mains on/off switch

33.Mains Input- Socket to accept the mains power lead supplied. (note: please ensure that correct wiring practices have been observed before use).

34-35. Loudspeaker outputs - Jack sockets
for the connection of loudspeaker
systems. The power output is 400 Watts	32	33	34
into 2 Ohms. Under no circumstances

should a total loudspeaker load of less than 2 Ohms be connected.

SPECIFICATIONS

Channels 1-6

Input impedance	3 pinΩXLR.		balanced input.
Low impedance	-50dBm.
Bass control
Sensitivity
Input impedance		Ω.
Treble control	2 pole jack unbalanced
High impedance	input.
Sensitivity	-30dBm.
	1 M
Middle control	+/- 12dB @ 100 Hz.
	+/- 12dB @ 600 Hz.
	10K

+/- 12dB @ 10KHz.

Channel 7 (tape channel).

Input impedance	Ω.
Master section	-20dBm.
Input sensitivity	+/- 12dB @ 100Hz.
Graphic equalizer
Bass control	+/- 12dB @ 10 KHz.
Treble control	0 dBm.
Output level	500 .
Output impedance	33K Ω
	9 band giving +/- 12dB @
	centre frequencies of
	63Hz, 125Hz, 250Hz.
	500Hz, 1KHz, 2KHz,
	4KHz, 8KHz and16KHz.

Effects output level Effects output impedance

Effects input sensitivity impedance -10dBm.

Effects input impedance10K Ω.

Monitor output level Monitor output impedance Pre-amp/slave output level Pre-amp/slave output

Power Amplifier

MOSFET power output stage

Output offset voltage	+/- 0.5dB 10Hz -20KHz.
Frequency response
	Greater than -100dB.
Hum and noise
	2 or greater.
Slew rate
Load impedance	Open circuit, short circuit,
Output protection	+/Ω- 10mV.
	load mismatch and over
Input sensitivity	temperature protection.
	0dBm for 400W into 2 .
	Ω
Input impedance	47K .
	Ω
	50V /µS.

The PA-5400 has a built in cooling fan to ensure reliable operation under the most arduous conditions. The fan will switch on when the internal temperature exceeds 60°C and will automatically turn off again when the temperature drops below 55°C.