Technics SB-AS40

Teclmics
Active subwoofer system
SB-AS40
Operating Instructions
Bsjtore connecting operating or ei%J 5 ting this product, please read
these ins 1 1 jufions conioerely Please save this manual
Dear customer
Thanh you for purchasing this Technics product
For optimum performance and safely. please read
these instructions carefully.
WARNING;
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK ; DO NOT EXPOSE THIS
APPLIANCE TO RAIN OR MOISTURE.
Supplied accessories
Speaker lost (4 pcs,: Stereo connection cable
(RKAOO&1-K1) '.1 PC-KRJL2P002B3G)
Use ■ l i mners indicated in parentheses when asking lor replace¬
ment parts
I Only lor U:S.A.)
t o i : i de ■ ecce-i-son es cai i MSC Accessory Crept. 1 -900-332.-o36B
The model number ana serial number of this product can ba
found op eiliipr ihe back or the bottom ol the un I
Please note them n the space provided iielow arid retain then
rpr future reference
MODEL MUM BE R ...SB : A&40^ .
SERIAL N U MB ER...-.—... ■■■■ .
User memo; _
DATE OF PURCHASE _ _
DEALER NAME__
DEALER ADDRESS _
TELEPHONE NUMBER
CAUTION:
TO PREVENT ELECTRIC SHOCK MATCH
WIDE SLADE OF PLUG TO WIDE SLOT.
FULLY INSERT.
RISK OF ELECTRIC SHOCK
IK) NOT OPEN
CAUTION TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO not
REMOVE SCREWS.
NO USER ^SERVICEABLE
PARTS INSIDE
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL
CAUTION
A
A
Tiiy lighting flash wim arrowhead symbol
wiibin an equilateral triangle, is Intended to
alerl the user iu the presence cF jninsolatcd
'dflrvgotous vahage" wiivifl I he produci'a
erffiiDsure lhar may be- o 1 -ufic em magnitude
to Constitute a 'H* cl electee sheet- m parsons.
Tha esdamattor pgirn wjthln an equilateml
-nsrrgia is intended to a:erl I he u&ei to me
presence oi impurtenl operating arm main
lenancs (servicing! instructions in ins lftera1uT&
acoohnpanying ’hr appliance
l ~P~l PC'
RQTJ0025-1

Technics SB-AS40 Specifications

Amplifier Section

continuous power output	50 W (4 ft)
input sensitivity/impedance (RCA-type pin-plug Jack)	54 mV/10 kft
input sensitivity/impedance (Push-type terminals)	1.1 V/4.7 kft

Power

power consumption	60 W
power supply	AC 120 V, 60 Hz

Speaker Section

woofer size	17 cm (6-11/16")
impedance	4 ft
frequency range (-16 dB)	32 Hz-350 Hz

General

dimensions (WxHxD)	384 x 284 x 294 mm
dimensions (WxHxD in inches)	15- /a x^'3/i6 x ^'9/ie
weight	8.5 kg (18.7 lb)

Summary

Precautions

Safety

Safety instructions for power source, polarization, power cord protection, and nonuse periods.

Installation

Guidance on installing the unit considering environment and placement.

Maintenance

Instructions for cleaning and care of the unit's exterior.

Service

Information on when and how to get the unit serviced by qualified personnel.

Listening Caution

Advice on safe listening levels to prevent hearing damage.

Positioning the Speakers

Attaching Speaker Feet

How to attach speaker feet to prevent movement during loud volumes.

Note When Positioning

Guidelines for optimal placement of the subwoofer near the TV.

Operation

Power Indicator

Explanation of the power indicator lights and standby mode behavior.

Connections

Connecting to Receiver with Subwoofer Terminals

Diagram and instructions for connecting the subwoofer to a receiver with dedicated terminals.

Connecting to Receiver Without Subwoofer Terminals

Diagram and instructions for connecting the subwoofer to a receiver lacking specific subwoofer outputs.

Connecting to Receiver with One Subwoofer Terminal

Guidance on connecting when the receiver has only a single subwoofer terminal.

Connecting Speaker Cables

Instructions on how to properly connect speaker cables to prevent damage.

Protection Circuitry

Troubleshooting Protection Circuitry

Steps to take if the unit's protection circuitry is activated, causing no sound.

Important Notes

Key usage, cleaning, and handling precautions to avoid damage or distortion.

Technical Specifications

Detailed specifications including amplifier, speaker, and general dimensions/weight.