RSA-BW7

2

Safety Precautions
Operating Environment
Operating environment temperature and humidity: +5°C to+35°C (+41°F to +95°F); less than 85%RH (cooling vents notblocked)Do not install this unit in a poorly ventilated area, or in locations
exposed to high humidity or direct sunlight (or strong artificial
light)CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO

NOT REMOVE CHASSIS. NO USER-SERVICEABLEPARTS INSIDE. REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.

WARNING
This equipment is not waterproof. To prevent a fire or shock
hazard, do not place any container filled with liquid near
this equipment (such as a vase or flower pot) or expose it
to dripping, splashing, rain or moisture.

AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR.
THIS SYMBOL IS INTENDED TO ALERT THE USER TO THE PRESENCE OF NON-INSULATED“DANGEROUS VOLTAGE” WITHIN THE PRODUCTS ENCLOSURE THAT MAY BE OF
SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK TO PERSONS.

POWER-CORD CAUTION

Handle the power cord by the plug. Do not pull out the plugby tugging the cord and never touch the power cord whenyour hands are wet as this could cause a short circuit or electric
shock. Do not place the unit, a piece of furniture, etc., on the
power cord, or pinch the cord. Never make a knot in the cord ortie it with other cords. The power cords should be routed suchthat they are not likely to be stepped on. A damaged power
cord can cause fire or give you an electrical shock.
Check the power cord once in a while.

THIS SYMBOL IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT
OPERATING AND MAINTENANCE (SERVICING) INSTRUCTIONS IN THE LITERATURE
ACCOMPANYING THE UNIT.

WARNING
Exposure to extremely high noise levels may cause apermanent hearing loss.
Individuals vary considerably to noise induced hearing loss
but nearly everyone will lose some hearing if exposed to
sufficiently intense noise for a sufficient time.

European model only

If you want to dispose this product, do not mix it with general household waste. There is a separate collection
system for used electric products in accordance with legislation that requires proper treatment, recovery andrecycling.

Private households in the member states of the EU, in Switzerland and Norway may return their used electric products free ofcharge to designated collection facilities or to a retailer (if you purchase a similar new one).
For countries not mentioned above, please contact your local authorities for the correct method of disposal.
By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and recycling and thus
prevent potential negative effects on the environment and human health.

3

Contents
Chapter 1

Introduction

Chapter 4

Check included items........................................................4

Playback steps................................................................... 10

Installing this product.......................................................4

Chapter 5

Regarding installation.......................................................4

Chapter 2

How to Operate
Other

Troubleshooting............................................................... 11

Connections

Care and maintenance................................................... 11

Connections diagram .......................................................5

Specifications.................................................................... 12

How to connect the speaker cords...............................6

Separately sold accessories.......................................... 12

How to connect XLR cables.............................................6

Warranty and after sales service................................. 13

How to connect audio cords...........................................7
How to connect the power cord....................................7

Chapter 3

Part Names

Front panel............................................................................8
Rear panel .............................................................................9

Chapter 1

Introduction

Check included items

Installing this product•• Power cord × 1•• Operation manual (this book)•• Be sure to install this product on a flat, stable surface.
•• Do not install this product in the following locations:–– On top of a television (the image may warp)–– Near a cassette deck or other magnetism emitting
device (the audio may be adversely affected)–– In a location hit by direct sunlight–– In a moist location–– In high or low temperature locations–– In a location with vibration–– In a location with much dust or tobacco smoke–– In kitchens or other locations where fumes are
emitted and oil is used

Regarding installation
Caution•• Never place items on top of this product, cover it with a sheet,or use it when its heat radiation is obstructed. Abnormally hightemperatures may damage the product.

4

Chapter 2

Connections

Connections

Chapter 2

Connections diagram
Important• When connecting devices or making changes, be sure to turn the POWER switch OFF and disconnect the power cord from the electrical outlet.
Plug in the power cord last.
• If an extremely loud signal is input to this product, there is a danger that noise will be generated and cause damage. In such a case, lower the
input signal level.

Speaker system
R (right side)

L (left side)

To the speakerterminals

To the speakerterminals
Digital playback devices (suchas SACD players, DVD players)

To the balanced
output terminals

To AC IN

To the audio output terminal

To the electrical outlet
Digital playback devices(such as CD players, BD players)

Tuner

USB DACHD television5Chapter 2

Connections

How to connect the speaker cords

How to connect XLR cables

The connection terminals are red for positive (+) and black
for negative (–).

Connect the left and right XLR input terminals of thisproduct to the respective left and right balanced output
terminals of the product to be connected.
Match the orientation of the XLR plug to this product’s XLR
input terminal, and insert until a click is heard.

1 Twist the wire.
2 Loosen the speaker terminal, and insert
the speaker cord.

3 Once the speaker cord is inserted, tighten
and secure the speaker terminal.

The connection terminals on this product are also
compatible with Y lug terminals and banana plugs.
Y lug terminals

Banana plugs

When disconnecting an XLR plug, press the latch lever(the part with “PUSH” inscribed on it) while pulling thecable. Use caution, as forceful disconnection may damage
the unit.

Caution•• Use speakers with nominal impedance of 4Ω to 16Ω.
•• Connect accurately the + and – terminals between the speakers
and this product.
•• Do not allow unshielded center wire from the terminals to stickout and make contact with each other. If the center wires touch
the device may break.
•• Use sufficient current capacity speaker cord and be sure to makeconnections that are not loose and do not short. Using low current
capacity connecting cords or making imperfect connections may
affect playback audio and can cause overheating or short circuits.
•• High voltage is output from the speaker terminals. To avoid thedanger of electrical shock, be sure to unplug the power cord before
making speaker connections.

Note• The pin positioning of the XLR input terminal of this product is
depicted below. Confirm that the product to be connected iscompatible with the pin positioning of this product. For further
details, consult the operation manual included with the productto be connected.
2

1
3

6

1: Ground
2: Hot3: ColdChapter 2

How to connect audio cords

Connections

Caution•• The power cord for this product is removable, but please refrainfrom using power cords other than the cord included (3P plugin socket type with electrical current capacity: 7A).
•• Never insert the ground wire from the AC CONVERSION PLUG
into the electrical outlet.

Connect the white RCA plug (left) to the left side input
terminal with the white line, and the red RCA plug (right)
to the right side input terminal with the red line. Press
firmly to push the plugs all the way in.
L (white)

Note• When not using this product for extended periods, be sureto turn the POWER switch OFF or unplug the power cordfrom the electrical outlet.
• Turn the POWER switch OFF before unplugging the power
cord.
• The power consumption of this product varies greatly
depending on the volume level of the playback audio
signal. For satisfactory music playback, connect to anelectrical outlet with sufficient capacity. (Connecting to a
low capacity electrical outlet creates the danger that theconnection will overheat.)• If the residential power supply is cut off due to a power
outage, the state of this product will be as follows whenpower is restored.
–– If the POWER switch is ON when power is restored
ppThe product returns to its state prior to power
restoration.
–– If the POWER switch is OFF when power is restored
ppThe product is in the normal power OFF state.

R (red)How to connect the power cord
Once all connections have been made, connect theincluded power cord to the AC IN terminal of this productand to the residential electrical outlet. Press firmly to push
the plug all the way in.
Electrical outlet
This productPower cord

* The plug type varies according to the region.

7

Part Names

Chapter 3

Front panel
2

LINE 1

LINE 2

VOLUME

LINE 3POWER
LINE 4
ON

1

DESIGNER AUDIO
REAL-SOUND AMPLIFIEROFFWAITING
PULL UP/DOWN
MIN

5
1

4

POWER switch
Turns power ON and OFF.
Pulling the power switch releases the lock. To turn on the
power, raise up the power switch while pulling out on it.
To turn off the power, lower the power switch while pullingout on it.

2

ON indicator
Shines warm yellow when this product is on.

3

OFF (WAITING) indicator
Shines red for several seconds following power-up. Oncethe product is operational, this indicator turns off and the
ON indicator shines warm yellow. It also flashes for several
tens of seconds when the power is shut off. During this time
this product is preparing to power off, so please wait until
the indicator light goes out.

MAX

4

3

VOLUME (level adjustment knob)
Adjusts the volume level.

Note• This product contains a high quality electrical volume IC
that is high precision and ultra low noise, with the result thataudio quality is not affected depending on the VOLUME (leveladjustment knob) position.

5

Caution•• When turning the product on immediately after turning it off,
check to make sure that the OFF (WAITING) indicator has turned offcompletely. Turning the power on while the OFF (WAITING) indicator
is lit can cause malfunction.

8

LINE SELECTOR (input switching knob)
Selects the playback device (LINE 1-LINE 4).

Chapter 3

Part Names

Rear panel
2

4

5

6

1

3
1

AC IN terminal
Connect the included power cord. ( pages 5, 7)

4

Speaker terminal (R (right) channel)
Speaker terminal (L (left) channel) ( pages 5 to 6)

2

Fuse
The fuse may break if something abnormal occurs to the
product. Contact us if the fuse breaks. ( page 13)

5

Audio input terminals (LINE 1 - LINE 3)
RCA type input terminal. ( pages 5, 7)

6

3

REMOTE CONTROL terminal
Connect the (separately sold) remote control. Contact usfor details regarding the (separately sold) remote control.
( page 12)

XLR input terminal (LINE4)
XLR type input terminal (female). ( pages 5 to 6)

9

How to Operate

Chapter 4

Playback steps
3

5LINE 1

LINE 2

2,6
VOLUME

LINE 3POWER
LINE 4ON

DESIGNER AUDIO
REAL-SOUND AMPLIFIEROFFWAITING
PULL UP/DOWN
MIN

1 Turn on the power of the playback device.
2 Check that the volume level of this product is turnedMAX

5 Rotate the VOLUME (level adjustment knob) left and rightto set the audio level.

VOLUME

down, and lift up the front panel POWER switch whilepulling out on it to turn on the power.

MIN

MAX

6 When playback is finished, lower the audio volume leveland push down the front panel POWER switch whilepulling out on it to turn off the power.

Check that the ON indicator on the body front panel is lit.

Be sure to lower the audio volume level.

3 Select the input to this product.
Rotate the LINE SELECTOR to select the terminal (LINE 1 LINE 4) to which the playback device is connected.
LINE 1

LINE 2

LINE 3LINE 4

Caution•• When turning the product on immediately after turning it off,
check to make sure the OFF (WAITING) indicator has gone offcompletely. ( page 8)

4 Operate the playback device and begin playback.

10

Chapter 5

Other
Troubleshooting

If you think this product may be broken, check the following troubleshooting items. Some minor operational errors can makethe product appear to be broken.
Potential causes other than this product should also be considered. Check the other devices being used as well as all simultaneously
operated electrical devices. If the following instructions do not help even on multiple inspections, contact us. ( page 13)
Issue
The power does not turn on.

There is no sound.

Cause/Treatment

Reference•• Is the power plug disconnected from the electrical outlet?
ppCorrectly insert the power plug into the outlet.

p. 7•• Is the power plug disconnected from the AC IN terminal?
ppCorrectly insert the power plug.

p. 7•• If the power will not turn on even with correctly connecting the power plug, thefuse may be broken.
ppContact us for consultation.
•• Is the connecting cord disconnected from the terminal, or connected incorrectly?
ppCorrectly connect the cord.

p. 13•• Is the speaker cord disconnected from the terminal, or connected incorrectly?
ppCorrectly connect the speaker cord.

p. 5 - p. 7
p. 5 - p. 6•• Is the terminal or connecting cord pin plug dirty?
ppWipe clean the terminal or plug.

–•• Is the input (LINE 1 - LINE 4) of this product incorrectly set for the playback device?
ppCorrectly select the input.

p. 5

There is no sound from one •• Is the connecting cord or speaker cord for one side disconnected?
speaker.
ppCorrectly connect the cord.
Sound comes out of the speakers •• Immediately after turning off the power, sound may come out of the speakers while
even after turning off thisthe OFF (WAITING) indicator is lit, but this is not a sign of breakage.
product.
ppWhen playback is finished, first turn the volume of this product all the way down
and then shut off the power of this product.

p. 5 - p. 7
p. 8

Care and maintenanceFor daily maintenance, use a polishing cloth to lightly wipe the front panel of this product. If it is very dirty, use a soft clothmoistened with neutral detergent watered down to 1/5-1/6 concentration and wipe off the dirt, then wipe dry with a dry cloth.
If alcohol, thinner, petroleum ether or insecticide adhere to the front panel it may be damaged, so use caution. Whenever using
pre-moistened wipe, be sure to completely read the warning instructions that come with the wipe.
This product uses natural wood for its side panel and insulator. Do not place it in direct sunlight or near a heater. The front panel
may become discolored, and the product may be warped due to the natural wood contracting.

11

Chapter 5

OtherSpecifications

Amplifier
Maximum output	����������������������������������������100W × 2 (4Ω)
Frequency response	�����������������������������������10 Hz - 30 kHz ±1 dB (6Ω, 1W)
Harmonic distortion ratio	�������������������������0.02 % (at 1 kHz, 80% output)
Input sensitivity, gain	���������������������������������300 mVrms, 37.3 dB (at MAX volume, 6Ω, 1 kHz, unbalanced input)
Line input terminals	�����������������������������������Balanced input: 1 RCA unbalanced inputs: 3
Speaker terminal 	����������������������������������������1

Power supply, otherPower voltage	�����������������������������������������������110, 120, 220, 230, 240 V AC, 50 Hz/60 Hz
Electrical consumption	�����������������������������With no signal: 9 W, during maximum output: 150 W
External dimensions	�����������������������������������350 mm (width) × 95 mm (height) × 375 mm (depth)
Weight	�������������������������������������������������������������6.5 kg

Included items
Power cord	�����������������������������������������������������1
Operation manual (this book)	����������������1* Due to improvements the above specifications and external appearance may be changed without notice.

Separately sold accessories
The following separately sold accessories are available.
 Remote control
Remote control sold separately.
For details please contact us.

12

Chapter 5

Other

Warranty and after sales service
zz About Warranty
Make sure that the name of your distributor and the dateof purchase are written in the warranty. Read it carefully,
and then keep it in a secure location. The warranty isvalid for one year from the date of purchase.

Terms of Warranty

zz Malfunctions
If the product malfunctions in the course of normaluse (use in accordance with the manual and safety
precautions) during the warranty period, then we will
repair the product free of charge. When you bringyour product to the distributor for servicing, be sure
to bring the warranty with you. See the guarantees inyour warranty for details. We will repair malfunctions
occurring after the warranty period has expired for afee, in accordance with our servicing regulations.
Please note that we cannot provide any warranty or
bear any liability for damage to any equipment that isconnected to the unit resulting from incorrect use.

2. If you cannot ask the store where you purchased it for repairs (e.g. if
you have moved or the product was a gift), please consult with SPECCORPORATION.

1. If this product malfunctions during use in accordance with the manual,and during the warranty period, then please bring the product andthis warranty to the store where you purchased it. It will be repaired
free of charge.

3. A fee will be charged for repairs in the following circumstances, even
if it is during the warranty period.
(A) The product malfunctioned or was damaged due to user error or
unauthorized repair or modification(B) The product malfunctioned or was damaged due to dropping,etc. after purchase(C) The product malfunctioned or was damaged due to fire, flooding,lightning and other weather phenomena, pollution, salt damage,or the like(D) The product malfunctioned or was damaged due to other thannormal use, such as long hours of continuous commercial use(E) The main unit has been disassembled(F) The text of the warranty has been changed or overwritten(G) The malfunction was caused by another company’s productContact Information
SPEC CORPORATIONTEL: +81-3-3660-0303
FAX: +81-3-3660-0333

4. This warranty cannot be re-issued. Store it in a safe place, and do
not lose it.

E-mail: info-ex@spec-corp.co.jp
URL : spec-corp.co.jp

WARRANTY
Name

E
L

RSA-BW7EX Real Sound Amplifier
TelephoneP
M

AddressA
S

Date of PurchaseWarranty Period (Main Unit Only)

One Year()

Distributor Name & Telephonefrom Date of Purchase13

4th FL.NIHOMBASHI NAKAYA BUILDING,12-12 NIHOMBASHIKOBUNA-CHO,CHUO-KU,TOKYO 103-0024,JAPAN2023