BSP seriesPart No. IB035611
JAN. 2021"Showa retro" measurement instrument Bluetooth audio speaker

BSP Series Users Manual
BSP-10 ／ BSP-20 ／ BSP-30
This product is a speaker equippedwith a built-in amplifier in the
nostalgic exterior design ofelectronic measurement instruments
manufactured by Kikusui Electronics
back in the "Showa era". There are threetypes of products are available in thelineup which includes : Oscilloscopetype (BSP-10), DC Power Supply type(BSP-20), and VTM (VacumeTubeVoltmeter) so called "Valvol" type (BSP30). You can enjoy music etc. wirelessly
connecting with a Bluetooth devices
such as smartphones and audio players.
As a basic function, the DC Power
Supply type is stereo playback (2speakers), and the Oscilloscope type
and the "Valvol" type are monaural
playback (1 speaker). Each type has
the adjustment knob of volume andtone. As additional functions, theOscilloscope type has a display of soundlevel waveform, the DC Power Supply
type has a display of volume level (LRstereo) and 5V / 0.5A power supply (USBoutlet connector), and the "Valvol" typehas a display of volume level (monaural).
Note: This product is not functional to be used as
an electronic measurement instrument or power
supply.

1

Cautions for safety

P2

Notes on the Bluetooth P2
Names and functions ofeach part

P4

Accessories

P5

Installation(connecting the power)

P5

Listening to the Bluetoothaudio devices

P6

Trouble shooting

P8

Speciﬁcations

P10

Maintenance andwaste disposal

P11

Contact information
about products

P11

Warranty

P12

KIKUSUI ELECTRONICS CORP.

BSP series

Cautions for safety
To use this product properly, carefully read the attached “Safety Information”
before use. After reading, keep it in a place where you can find it easily. The
following items are individually applied to this product as notes.

--User / use: This product is designed and manufactured for use of generalhouseholds and consumers.
AC input: Use the AC adapter as included as standard accessory.
Grounding: No ground connection is required.
Installed location (usable area): It can be used indoors of general housingarea.
When using this product, keep out of reach of infants and pets. It may cause
injury when the part of this product is dropped or accidental ingestion by thepart detached from this product.
Disconnect the AC adapter from the outlet when this product is not used fora long term.
This product is not waterproof. It may cause a malfunction when this productgets wet.

Notes on the BluetoothThis product uses the 2.4 GHz bandwidth of radio wave. This bandwidth is used invarious devices (such as microwave ovens and cordless phones) even in generalhouseholds.
Therefore, when using this product in the place specified as follows, thetransmission and reception may not be possible.
- A place where the magnetic fields, static electricity, or radio interference could
be occurred in devices such as a wireless LAN using 2.4GHz or a microwave
oven. (The electric wave may not be reached depending on the environment.)- Use away from radio receivers. (It could be a cause of noise.)- If noise appears on the TV, this product (and products compatible with thisproduct) may affect to the antenna input terminals of the TV, video, BS tuner,CS tuner, etc. Install this product (with the device along with this product) awayfrom the antenna input terminal.

<Note>- Please note that Kikusui Electronics Corp. will not be liable for any damages
arising from the use of this product unless legal liability is granted- This product does not guarantee the operating error connected with any ofBluetooth devices.
- Please note that Kikusui Electronics Corp. is not responsible for any
communication errors or malfunctions related to your connected devices.

KIKUSUI ELECTRONICS CORP.

2BSP series<For Safety Use of this product>- Do not use this product near the electronic device that handles high precisioncontrol or weak signals. Otherwise, it may cause malfunctions of the electronic
device and cause an accident.
- In places where the use of equipment is restricted, such as in the aircraft
and hospitals, it may affect to the electronic devices and medical electricalequipment, and may cause an accident.

Precautions for the example of electronic devices:- Hearing aids, pacemakers, other medical electrical equipment, fire alarms,
automatic doors and other automatic control equipment.
- If you use a pacemaker or other medical electrical equipment, confirm withthe medical electrical equipment manufacturer or sales representative for theeffects of radio waves.

<Certification to the Radio Law>
This product has been certified as a radio equipment for the low power data
communication based on the Radio Law. Therefore, it is not required to acquire
the radio station license to use this product. However, the following actions may
be subject to punishment by law.
- Disassemble / Modification of this product.
- Remove the certification label attached to the product / delete the print or
engraving of the surface.

About the Frequency BandwidthThis wireless device uses the 2.4GHz bandwidth. The FHSS (Spread Spectrum)
has been adopted as the modulation method, and the expected interference
distance is approximately 10 m.
In the frequency bandwidth used by this product, the device may be operated
in premises radio stations (radio stations that require a license) and specified
low power used for industrial/ scientific / medical equipment such as microwave
ovens, as well as mobile units used in factory production lines, etc. Radio stations(radio stations of which license is not required) and amateur radio stations (radiostations that require a license).
- Before using this product, make sure that your local radio stations that
identifies of mobile units, specified low-power radio stations and amateur
radio stations are not operating nearby.
- Should this product cause harmful interference to a premises radio station formobile identification, immediately stop emitting the radio waves and contact
our local service to avoid interference. Furthermore, please consult aboutmeasures (for example, setting of partition).
- In case you have any other problems such as harmful radio interference fromthis product to any specific low-power radio station for amateur identificationor amateur radio stations, please contact our local service.

3KIKUSUI ELECTRONICS CORP.

BSP series

Descriptions and functions of each part
BSP-10 (Oscilloscope type)

BSP-20 (DC power supply type)210977652

11101011166

TONE knob

Dummy knob
It is an ornament on the design.
NOTE

When the POWER lamp is
on, the LED lamp flashes
5 times with the startup sound (approximately
every 0.1 second).

8Displays the volume output fromthe speaker.
NOTE

9Note: Analog meters
are delicate electroniccomponents. Please donot hit.

LCD display
Displays the audio waveform
output from the speaker.

LED lamp (green)

MEMO

When POWER is on, it flashes
according to the pairing status.
VOLUME knob
Knob for adjusting the volume.
Turn left to decrease the volume
and right to increase the volume.
KIKUSUI ELECTRONICS CORP.

Do not force it. It may bedamaged.

Volume indicator

LED lamp (red)It lights on when the USB outlet
is in use (connected with a device
such as a mobile terminal device
and current is drawn).

55Adjust the type of sound source andthe quality of sound to be played. Turnto the left when bass distortion occurs.
7LED lamp (orange)(BSP-30) Flashes according to thepairing status when POWER is on.

4412(BSP-10/BSP-20) Lights when
POWER on.

3

312

POWER switch

MEMO813Power switch for this product. Turnthe lever up to turn it on and down
to turn it off.
2813

4This display can bechanged by touching thepanel. For details, referto the attached "Touch
Panel Operation Manual".

BSP series

Accessories
BSP-30 (Valvol type)

BSP-10AC adapter(cable length: AC approx. 1.8m/DC approx. 1.6m),Users manual,
Safety information,
Touch Panel Operation
Manual13810BSP-20
BSP-3021261

Installation (connectin power)

5-10 Speaker holeThis is the hole for the speakersound.
NOTE-Do not pierce the holewith a sharp object. Thespeaker may be damaged.

Place this product on astable surface.
Connect the accessory ACadapter cable to DC INPUT
on the rear panel.

11 USB outlet
USB power supply connector (5V).
NOTE

USB AC adapter(cable length: approx.
1.5m),
Users manual,
Safety information

NOTE

The maximum rated
current is 0.5A. It may takesome time to charge asmartphone.

Do not put anything
on this product. Heavyobjects may cause
damage or malfunction.

BSP-1012 DC INPUT

AC adapter

Power connector for this product.
Connect the included AC adapter
cable (plug) here.

BSP-20To the outlet

13 Handle
USB AC adapter(BSP-20/BSP-30) It is an ornamenton the design.
NOTEDo not lift by holding
here. It may be damaged.

BSP-30To the outlet

USB AC adapter

To the outlet

5KIKUSUI ELECTRONICS CORP.

BSP series

Listening to the Bluetooth audio devices
This product can be connected to a smartphone, tablet, orBluetooth-compatible audio device by wireless connection via
Bluetooth to stream music.
To perform streaming playback using Bluetooth, first, "pairing"is required to recognize this product and a Bluetoothcompatible device. Once you have paired this product withyour device, you do not need to pair again.
MEMO

The following operation explanation is an example. For details, see
the instruction manual of the Bluetooth device.

<Procedure>
1. Place the Bluetooth device you want to connect aroundthis product.
2. Raise the POWER switch lever (power ON) to put the unit
into standby for pairing.
MEMO

The start-up time of BSP-10 is about 50 seconds.

Pairing standby status display
BSP-10“Disconnected” will be displayed on the LCD panel.
*For connecting procedure, refer to the “Touch panel operationmanual”.

BSP-20

LED lamp (green) blinks (every 0.5 seconds)

BSP-30

LED lamp (orange) blinks (every 0.5 seconds)

MEMO

When the power is on, the LED lamp will flash 5 times with the startup sound (approximately every 0.1 second).
*BSP-10 excluded

3. Bluetooth Turn on the Bluetooth function of the device.
For iPhone (example)

KIKUSUI ELECTRONICS CORP.

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BSP series

4. Select the ID of the product displayed on the Bluetooth
device screen of the Bluetooth device.
Product name
BSP-10

BSP-10-539

BSP-20

BSP-20-PAD

BSP-30

BSP-30-PV107

MEMO

If there are multiple products, turn on only the device to be paired(turn off the other devices).

If the pairing of this product is successful, you will be
notified as follows.
BSP-10

When the connecting process (Status display) isdisplayed on the LCD panel, the completion ofpairing will be confirmed by the sound.

BSP-20After the pairing completion sound, the LED lamp (green)
flashes (Repeats two short flashes at 1.5 second intervals)

BSP-30After the pairing completion sound, the LED lamp (orange)
flashes (Repeats two short flashes at 1.5 second intervals)

MEMOMEMO

During streaming of music, the light turns on for 2 seconds and turns off for 0.2 seconds.
*BSP-10 excluded
Since this product is adopted with “AUTO pairing” feature, so once the Bluetooth device
has been paired, it will be automatically reconnected. In case of failed connection, turn on
the power again (Firstly turn the power off, then wait for about 10 seconds, and turn on
the power again).

5. Play audio on Bluetooth devices. The volume can beadjusted with the VOLUME knob on this product or theBluetooth device.
The BSP-10 (oscilloscope type) allows you
to make various settings on the color LCD
screen by touching the panel.
For details, refer to the attached "Touch
Panel Operation Manual".

7KIKUSUI ELECTRONICS CORP.

BSP series

Trouble shooting
Symptoms

Check items

Can not turn on

Is the AC adapter cable (plug) disconnected from DCINPUT?

No sound / small

Are the volume settings of this product and theconnected Bluetooth device turned down?

Intermittent sound / noise

Are you using a wireless device such as a microwave
oven or Wi-Fi router nearby?

The setting information of
the connected product is not
displayed on the screen of theBluetooth device

Are they paired correctly?

Can not connect to BluetoothIs the product and the Bluetooth device too far apart?
When this product appears as a device in the Bluetoothsettings of the Bluetooth device

If the product is not visible as a device
Volume indicator does not work

Are the volume settings of this product and theconnected Bluetooth device turned down?

LCD screen is not displayed(BSP-10)

Display settings may have been changed (the mode ofwaveform: OFF).

LED lamp (red) blinks irregularly

Are you using USB outlet for charging your smartphone?
(Especially when fully charged)(BSP-20)KIKUSUI ELECTRONICS CORP.

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BSP series

Countermeasures
Insert the plug correctly.
Adjust the volume appropriately.
MEMO

In the case of Android devices, when playing at a loud volume settingthat is higher than a certain level, the function to automatically lower thevolume setting may work after 20 hours.

Use as far as possible from wireless devices such as microwave ovens and Wi-Fi routers.
Turn on the POWER switch of this product again (lower and raise the lever once) to put
it into the pairing standby state.

The maximum distance between this product and a Bluetooth device is 10 m. Movethis product closer to the Bluetooth device.
Delete the device registration once, and then pair again.
MEMO

If a device that has been registered once is nearby, it may be
automatically reconnected first, and the device you tried to connect tomay not be able to connect even though its name is displayed.
In such a case, turn off the Bluetooth devices that do not requireconnection, or delete the connection registration before trying again.

Turn on the “POWER” switch of this product again (lower the lever once, then wait for
about 10 seconds to pull up the lever) to become the standby state of pairing.
Adjust to an appropriate volume.
For details, refer to the attached "Touch Panel Operation Manual" included with theBSP-10.
The LED lamp (red) may blink irregularly when the current flowing through the USB
outlet is very low. This is not a malfunction.

9KIKUSUI ELECTRONICS CORP.

BSP seriesSpecifications
TypeOscilloscope (539)

DC power supply (PAD-L)

BSP-10

BSP-20

BSP-301.8W monaural

1.8W + 1.8W stereo

1.8W monaural

Model nameMaximum output ofamplifier
Power amplifier
section method

Valvol (PV-107)

Class D PWM method

Communication
method / modulation
methodBluetooth standard Ver.4.2 / FHSSCorresponding
codec

SBC

Corresponding
profileA2DP

Compatible content
protection(None)

Input terminal shape

DC JACK ( φ 5.5-2.1)

USB Type micro-B

USB Type micro-B

Attached AC adapter
output rating

12V・5A

5V・3A

5V・3A

Toggle lever powerswitch

○

○

○

Variable volume

○

○

○

Variable soundquality (BASS)

○

○

○

Audio signal
waveform display○－－

L and R independent
VU meter－○－Large VU meter－－○

SCMS-T method

Power display

Orange LED

Status (PAIRING)
display

Displays on the LCD
panel.

Green LED flashing

Orange LED flashing

Dimensions (excludingprotrusions)

75W X 140H
X 140D mm

172W X 97H
X 112D mm

95W X 125H
X 70D mmBody weight (excludingaccessories)

Approx. 550g

Approx. 600g

Approx. 400g

Ambienttemperature

5 ℃－ 35 ℃

Ambient humidity
Rated Power
Supply20% RH － 90% RH (non-condensing)
AC100V-120V, 50/60Hz (Use the adapter dedicated for this product * themaximum voltage and current will be varied depending on the rating of theAC adapter)

Open Source Software
The BSP-10 contains open source software under the licensing terms of GNU
General Public License (GPL), GNU LESSER General Public License (LGPL), andother licenses. For details, refer to the link below.
URL.https://rddocuments.kikusui.co.jp/oss/bsp* Product specifications and designs are subject to change without notice.

KIKUSUI ELECTRONICS CORP.

10BSP series

Maintenance Care, disposal
Maintenance Care
Wipe the exterior with a soft, dry cloth.
If it is very dirty, wipe it off with a cloth dampened with adiluted neutral detergent.
Check periodically the AC adapter cable for disconnection or
broken wires.
NOTE

Do not use volatile substances such as thinner or benzene forcleaning.
Peeling of paint and exterior materials may cause deterioration.

Disposal of this product
If this product is no longer used, dispose the product tocomply with the law of local government.
Caution

There is a risk of electrical shock, never disassemble this product.

MEMO

This product does not contain a rechargeable battery such as alithium battery.

Contact information about productsContact by the WEB
Please use an inquiry formin the following URL.
https://www.kikusui.co.jp/en/contact.php

Contact by E-mailPlease send your mail to the accountspecified below.
bsp-info@kikusui.co.jp

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KIKUSUI ELECTRONICS CORP.

BSP series

Warranty Certificate
This warranty certificate is valid only in Japan.
BSP-10

BSP-20

BSP-30Model
name(Please mark the circle for the product your purchased)

Serialnumber(The Serial number can be found on the back or bottom of the product)

Warranty
periodDate of purchase

Address

CustomerMonthYear

1 Year from the Date of purchase (Please keep the receipt for proof of purchase date.)

ZIP code

Name

Phone
numberProvisions of Warranty terms
1.

During the warranty period, the quality is guaranteed only when this product is properly used.
If there is a failure within the warranty period, the warranty service will be applied under theprovisions of this warranty terms. Please contact our local represntative where you purchased theproduct. And please present this warranty certificate when contacting our representative.

2. The following cases will be chargeable for the repair even during the warranty period.
(1) When there is no presentation of the warranty certificate.
(2) When there is no data entry of the specified information in the warranty certificate, or any
rewriting of information is recognized.
(3) The cause of the failure is due to the improper handling of the product.
(4) Due to the impact of shock effect to the product during the logistic transportation or roughhandling of the product by the customer.
(5) When the failure or damage were caused by natural disasters, pollution, abnormal voltage orother external factors.
3. If it is determined that any modification or repair is conducted by the customer, the warranty repair
within the warranty period shall not be applied.
4. Kikusui Electronics Corp. shall not be liable for any direct or indirect damage resulting from thefailure of this product or its use.
5. Any cost incurred to the shipping or hand carrying of the product shall be borne by the customer.
6. The warranty certificate will not be reissued, so please keep it in a safe place.
7.

The warranty is valid only in Japan.

KIKUSUI ELECTRONICS CORPORATION
1-1-3, Higashiyamata,Tsuzuki-ku, Yokohama, Kanagawa, 224-0023, Japan www.kikusui.co.jp
KIKUSUI ELECTRONICS CORP.

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