Alto SR800SA Owner'S Manual Download Page 5

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Make all initial connections with all the equipment powered off, and ensure 
that all the main volume controls are turned completely down. 

1). Connect one side of the signal cable at your audio mixer into output 
     left /right (with Stereo-Jack or XLR) and the other side of the cable into 
     the line input (Stereo-Jack) of your active speaker cabinet. 

2). Connect the power cord to mains.

3). Turn on your mixer first, then the active speaker cabinets.

4). Turn up the volume control of the active speaker cabinets.

5). Use PFL function to get the proper input level for the mixer, and adjust 
     the main mix level control to manipulate the output level.

6). After using, turn off your active speaker cabinets first, then the mixer.

2. SPEAKER CABINET QUICK START

Left 
Main Mix 
Output

Signal Cable 

Mixer 

Right
Main Mix
Output

Signal Cable 

SR800SA

SR800SA

SR400P

SR400P

2

15" Compact subwoofer Active Speaker Cabinet
2 x 500W CLASS AB in EIAJ
2 x 400W CLASS AB in Continuous
42Hz-125Hz (-10dB)
122dB Continuous / 125dB Peak (Calculated)
15" Woofer, 3" High Power voice coil
HPF 80Hz under analog processor
LINE-COMBO/LINK-XLR-M, OUT SAT with SPK NL-4
Line 0dBu
Volume SUB / Volume SAT / Phase NORMAL-REVERSE / Power 
ON with Green LED / Clip Limiter with Red LED / Ground Lift
120-240 Volt, in Switching Power mode.
18mm multi-layer Plywood , glued and reinforced,  black-scratch 
resistant paint, metal grille and rubber footer foot, four 
optional wheel
One standard metal pole-mount , plus one metal handle.
591x 451 x 554mm    (23.3" x 17.8"  x   21.8")
39.8 kg / 87.7 lbs
43.4 kg / 95.6 lbs

SR800SA

Power System

Frequency Response 
Maximum SPL @ 1m
Transducer Low
Active Crossover
Input / Output
Input Level
External Control

Power Supply
Enclosure Construction

Mounting
Dimensions (HxWxD)
Net Weight 
Shipping  Weight

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7. TECHNICAL SPECIFICATION 

SR400P

 

Power System
Frequency Response (-10dB)
Sensitivity (1w @ 1mt) 
Impedance:
Maximum SPL @ 1m
Coverage (HXV)
Transducer Low
Transducer High
Horn Type
Passive Crossover
Input Connector
Enclosure Construction

Mounting  / Suspension
Dimensions (HxWxD)
Net Weight 
Shipping weight

12" 2-way Passive Speaker Cabinet
400W Continuous in AES  Standard
47Hz-20kHz (-10dB)
94dB SPL 
4  

(nominal)

122dB Continuous / 125dB Peak (Calculated)
90 x 45  nominal
12" Woofer, 2.5" High Power voice coil
1" Driver with 1.4" voice coil, Titanium Diaphragm
Eliptical Waveguide
2kHz at 12dB/oct with Electronic Protection
INPUT / THRU with SPK NL-4 
Trapezoidal shape, 15mm multi-layer Plywood , black-scratch 
resistant paint, metal grille and  footer foot. 
One metal pole-mount , two metal handle
615 x 377.5 x 377.8mm    (24.2" x 14.9  x 14.9")
16.8 kg / 37.1 lbs
19.1 kg / 42.1 lbs

"

7

Speaker Cable 

(14 AWG)

Speaker Cable 

(14 AWG)

Summary of Contents for SR800SA

Page 1: ...SEIKAKU TECHNICAL GROUP LIMITED JUL 30 2009 AL 0903004 A3 A4 A5 PHFUA102 20090700043 3 ALTO RS 0 02KG 1 105G 6 SR800SA SR400P ALTO_V1 0 SR800SA NF03324 ...

Page 2: ...ht be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2009 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan www altoproaudio com Tel 886 4 22313737 email info altoproaudio com Fax 886 4 22346757 NF03324 1 0 ...

Page 3: ...es that may be sufficient to constitute the risk of electric shock or death This symbol wherever used alerts you to important operating and maintenance instructions Please read Protective Ground Terminal AC mains Alternating Current Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off The apparatus shall be connected to a mains socket outlet with a prot...

Page 4: ...in mat LTO erials and or workmanship for a period of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 3 During the warranty service may repair or replace this product at LTO its own option at no charge to you for parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product t...

Page 5: ... LED Ground Lift 120 240 Volt in Switching Power mode 18mm multi layer Plywood glued and reinforced black scratch resistant paint metal grille and rubber footer foot four optional wheel One standard metal pole mount plus one metal handle 591x 451 x 554mm 23 3 x 17 8 x 21 8 39 8 kg 87 7 lbs 43 4 kg 95 6 lbs SR800SA Power System Frequency Response Maximum SPL 1m Transducer Low Active Crossover Input...

Page 6: ...In our cabinets only 1 1 are used to connect the Speaker Speaker and 2 2 are not used For Passive Speaker Cabinets 6 PANEL DESCRIPTION SR400P SPOTLIGHT CONNECTION PLATE PASSIVE FULL RANGE SR400P 1 INPUT 2 THRU Receive the signal coming from an external power amplifier SPK 1 1 connected 2 2 not connected Direct LINK for connect in parallel a second speaker cabinet SPK 1 1 connected 2 2 not connecte...

Page 7: ... ON status of the satellite PHASE SWITCH Reverse the polarity of the subwoofer output 4 5 GROUND LIFT SWITCH SIGNAL LIMIT LED Red color indicates ON status of the subwoofer output SUB VOLUME Volume control of the subwoofer output POWER LED Green color indicates ON status AC INPUT AC power socket with main fuse ON OFF Main power switch 6 LINE IN LEFT MONO On COMBO connector 7 3 12 SPEAKER OUTPUT Sp...

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