400 LIMITED ENGINEERING
SPECIFICATIONS
POWER AMPLIFIER SECTION
Rated Power Load
210 Watts into 4 ohms with
compression
Power Clipping: (typical)
(5% THD, 1
120 VAC line)
240 Watts RMS into 4 ohms
Frequency Response:
-2
80 Hz to 10
200 Watts RMS into 4 ohms
Total Harmonic Distortion:
Less than
100
to 200 Watts
RMS, 60 Hz to 10
4 ohms (typically
below
Hum Noise:
Greater than 100
below rated power
Power Consumption: (domestic)
600 Watts 120 VAC 60 Hz
PREAMP SECTION
The following specs are measured 1
with the controls preset as follows:
Low High EQ 0
Mid Shift EQ 10
Presence EQ 0
Sensitivity 5
High dynamics reverb 0
Nominal levels are with pre gain 5
Minimum levels are with pre gain 10
Preamp High Gain Input:
Impedance: High 220 K ohms
Nominal Input Level: -22
80
RMS
Minimum Input Level: -36
15mVRMS
Maximum Input Level:
3.0 V RMS
Preamp Low Gain Input: (6
pad)
Impedance: High 44 K ohms
Nominal Input Level: -16
160
RMS
Minimum Input Level: -30
30
RMS
Maximum Input Level:
6.0 V RMS
Pre
Patch Send: (pedal send)
Load impedance: 10 K ohms or greater
Nominal output: -12
0.25 V RMS
Maximum output:
2.5 V RMS
Pre
Patch Return: (pedal return)
Impedance: High 220 K ohms
Designed input level: -12
0.25 V RMS
(Switching jack providing pre EQ patch
send to pre EQ patch return connection
when not used)
Effects 1 2 Patch Sends:
Load impedance: 1 K ohms or greater
Nominal output: -10
0.3 V RMS
Maximum output:
3 V RMS
Effects 1 2 Patch Returns:
Impedance: High Z, 100 K ohms
Designed Input Level: -10
0.3 V RMS
(Switching jacks providing effects patch
send to effects patch return connections
when not used)
Preamp Out:
Load impedance: 1 K ohms or greater
Nominal Output: 0
1 V RMS
Maximum Output:
8 V RMS
Power Amp In:
Impedance: High Z, 10 K ohms
Designed Input Level: 0
1 V RMS
(Switching jack providing preamp out to
power amp in connection when not used)
Balanced Line Out:
Load Impedance: 600 ohms or greater
Nominal Output: -10
0.3 V RMS
Maximum Output:
3 V RMS
(XLR male connector, transformer driven;
special equalization circuitry employed)
System Hum Noise Nominal Input
Levels:
(20 Hz to 20
unweighted)
84
below rated power
Equalization:
Low:
80 Hz, active shelving
Mid:
-12
passive notch
Shift: 300 Hz to 1
range of mid notch
High:
2
active
peak/notch
Pres: -0,
8
active shelving
External Footswitch Function:
Reverb defeat (when reverb control
raised)
Effects 1 patch return defeat
Effects 2 patch return defeat
AN OPTIONAL COVER IS AVAILABLE FOR
THE SESSION@ 400 LIMITED DIRECTLY
FROM THE FACTORY. THE PART NUMBER
IS
AND THE COST IS $21
Prices, features and specifications are subject to change without notice.
Содержание Session 400
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