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INSTRUCTIONS

EXTERNAL SPEAKER

SP-41

Thank you for choosing this Icom product. 

READ ALL 

INSTRUCTIONS

 carefully and completely before using 

this product.

1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan

A7446D-1G 

Printed in Japan

© 2018  Icom Inc.

EXPLICIT DEFINITIONS

SPECIFICATIONS

ABOUT CE

DISPOSAL

FEATURES

SUPPLIED ACCESSORIES

Best match for the IC-7610.

Front panel HIGH/LOW

 

(Audio tone) switches.

Front panel mute switch, rear panel A and B input jacks. 

Item Quantity

Mini plug cable (Approximately 1.5 m, 4.9 ft) ......................2

WORD

DEFINITION

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WARNING!

Personal injury, fire hazard or electric shock may occur.

CAUTION

Equipment damage may occur.

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 WARNING! NEVER

 disassemble, modify or repair the SP-41.

This may result in an electrical shock, cause a fire or damage 

the SP-41.

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 WARNING! NEVER

 install the SP-41 in a wet place

 

or outside. 

This may result in an electrical shock, cause a fire or damage the 

SP-41.

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 WARNING! NEVER 

put the SP-41 in any unstable place 

(such as on a slanted surface or vibrating place). This may cause 

injury and/or damage to the SP-41.

CAUTION: DO NOT

 let metal, wire or other objects protrude 

into the aperture of the speaker.

 

This could damage the SP-41.

CAUTION: DO NOT 

place the SP-41 in excessively dusty  

environments or in direct sunlight. This could damage the SP-41.

CAUTION: DO NOT 

use harsh solvents such as benzine or alcohol 

to clean the SP-41, as they can damage the SP-41 surfaces. If the 

SP-41 becomes dusty or dirty, wipe it clean with a dry, soft cloth.

The SP-41 complies with the essential 

requirements of the 2014/30/EU directive for 

Electromagnetic Compatibility and the 2001/95/EC 

directive for General Product Safety.

The crossed-out wheeled-bin symbol on your 

product, literature, or packaging reminds you that 

in the European Union, all electrical and electronic 

products, batteries, and accumulators (rechargeable 

batteries) must be taken to designated collection 

locations at the end of their working life. Do not 

dispose of these products as unsorted municipal waste. 

Dispose of them according to the laws in your area.

PRECAUTIONS

FOR DESKTOP USE

Pull out the stand until it locks in place.

Impedance: 

8 Ω

Rated Input Power: 

5 W

Maximum Input Power: 

7 W

Dimensions: 

145 (W) × 118 (H) × 277 (D) mm, 

(Projections not included)  5.7 (W) × 4.65 (H) × 10.9 (D) in. 

Weight (without cables):  Approximately

 

2.2 kg, 18.7 lb

All specifications are subjects to change without notice or 

obligation.

Stand

Each switch is lockable, and is enabled when pressed in (

). Push again to unlock and release the switch (

). 

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  TONE SELECT SWITCHES 

[HIGH-CUT/WIDE],

 

[LOW-CUT1/CUT2]

   Set to your favorite audio tone with 4 switches.

 

 Refer to the following Frequency response characteristics.

HIGH

OFF 

Attenuates audio output frequencies of  

approximately 800 Hz or higher (–3 dB/Oct).

CUT 

Attenuates audio output frequencies of  

approximately 400 Hz or higher (–3 dB/Oct).

 

When WIDE is pressed in, this switch is 

disabled.

WIDE 

No effect on high audio output frequencies.

LOW

OFF 

No effect on low audio output frequencies.

CUT1 

Attenuates audio output frequencies of 

approximately 900 Hz or lower (–3 dB/Oct).

 When CUT2 is pressed in, this switch is 

disabled.

CUT2 

Attenuates audio output frequencies of  

approximately 2 kHz or lower (–3 dB/Oct).

Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the 

United Kingdom, Germany, France, Spain, Russia, Australia, New Zealand and/or other countries.

PANEL DESCRIPTION

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  AUDIO INPUT SELECTION SWITCH [INPUT A/B]

   Push to select the [SPEAKER INPUT A] or [SPEAKER 

INPUT B] jacks on the rear panel.

• 

 

:   Selects the [SPEAKER INPUT A] jack.

• 

 

:   Selects the [SPEAKER INPUT B] jack.

e

 SPEAKER MUTE SWITCH [SPEAKER OFF]

   Mutes the speaker or headphone audio output.

• 

 :  Outputs the audio.

• 

 :  Mutes the audio.

TIP : 

If no sound is heard from both the speaker and 

headphones, confirm the [SPEAKER OFF] switch is 

released.

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 HEADPHONES JACK [PHONES] 

(6.35 mm: 1/4 in. (d))

   Connect headphones (impedance: 4–32 Ω) to this 

jack. The built-in speaker does not sound while the 

[PHONES] jack is being used.

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  AUDIO INPUT JACK 

(3.5 mm: 1/8 in. (d))

 

[SPEAKER INPUT A], [SPEAKER INPUT B]

   Connect to a transceiver or a receiver’s external speaker 

jack using the supplied audio cable.

 

 The SP-41 can be connected to two transceivers or 

receivers.

FREQUENCY RESPONSE CHARACTERISTICS

Rear panel

Front panel

t

  

[SPEAKER INPUT A] 
[SPEAKER INPUT B]

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[INPUT A/B]

e

 

[SPEAKER OFF]

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[PHONES]

q

   [HIGH-CUT/WIDE] 

[LOW-CUT1/CUT2]

The graphs show the characteristics of the audio from the speaker.

FREQUENCY [Hz]

100

500

5k

1k

10k

ATTENUA

TION 

[d

B

]

HIGH Switch

CUT

WIDE

OFF

FREQUENCY [Hz]

100

500

1k

5k

10k

ATTENUA

TION 

[d

B

] OFF

CUT1

CUT2

LOW Switch

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