EasyManua.ls Logo

Alto SR400A User Manual

Alto SR400A
26 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Service Manual
ALTO
REV.2
Model: SR400A
Question and Answer IconNeed help?

Do you have a question about the Alto SR400A and is the answer not in the manual?

Alto SR400A Specifications

General IconGeneral
Crossover Frequency2.2 kHz
Maximum SPL126 dB
Output ConnectorXLR
EnclosurePolypropylene
Impedance8 ohms
HF Driver1" (25 mm) compression driver
Amplifier Power400W peak
Frequency Response55Hz - 20kHz
Input ConnectorsXLR, TRS
MountingPole mount
Sensitivity98dB
Tweeter Size1"
Weight33.1 lbs
Type2-way active loudspeaker

Summary

SPECIFICATIONS

Power Source

Specifies the required input voltage and frequency for the unit.

Rated Output

Defines the expected audio output power under specified load conditions.

Input Sensitivity

Defines the minimum input signal level required for a standard output.

Signal-to-Noise Ratio

Quantifies the ratio of desired audio signal to unwanted noise.

Distortion Characteristics

Details Total Harmonic Distortion (THD) at different output levels.

Frequency Response

Graphs the audio output level across the audible frequency spectrum.

SR400A BLOCK DIAGRAM

Schematic Diagram

TESTING PROCEDURE

Visual Check

Inspects the unit for correct assembly, component values, and insulation.

Initial Test

Covers basic power-up checks, voltage verification, and signal output symmetry.

Related product manuals