8
Specifications

In many cases, seemingly big problems or

malfunctions can be remedied easily. Please

check the following list before deciding that

your DD-9 is broken.

If the problem is not listed here or the suggested

remedy is ineffective, take the DD-9 to an

authorized Yamaha dealer for proper diagnosis

and repairs. Do not attempt to repair this digital

percussion instrument as serious damage may

occur.

A buzz or click occurs momentarily when the DD-9
is turned ON or OFF.
❏This is a normal power surge noise that occurs
when the POWER switch is operated.
The LED display is completely dark.
❏The batteries are low and should be replaced
immediately.
No sound comes from the speakers.
❏The volume is turned down too low and should be
adjusted up appropriately.
❏A plug is inserted into the HEADPHONES/AUX.
OUT jack and should be taken out immediately.
The wrong voice plays when you strike a percus-
sion pad.
❏The desired voice has not been assigned to the
percussion pad. Use the PAD ASSIGN function to
program the desired voice to the appropriate
percussion pad.
The custom pad voice assignments have disap-
peared or defaulted.
❏The batteries are low and should be replaced
immediately.
❏The POWER switch has been turned OFF and ON
and the default voices have replaced the desired
voices. Use the PAD ASSIGN function to program
the desired voices again.
When the percussion pads are struck, the LED
display goes dark momentarily and then changes
to the default reading “00”.
❏The batteries are low and should be replaced
immediately.
Percussion pads 4 (touch sensitive)
SE pads 4
Percussion sets 9 preset + 1 custom
Auto Rhythm Styles100
Instrument and Sound Effect Voices
55
Auxiliary FunctionsTap Start, Auto Roll, Auto
Rhythm Style, Demonstration
Song
Panel Controls POWER switch, SELECTOR
dial, VOLUME buttons, STYLE
button, PERC. SET button,
TEMPO button, TAP START
button, PAD ASSIGN buttons,
START/STOP button, AUTO/
ROLL button, SE SELECT
button, DEMO button
LED Display STYLE/PERCUSSION SET/
TEMPO and other settings
Connectors DC IN 10-12V
Headphones/AUX.OUT
Main amplifier 3.8W (EIAJ)
Speaker 10.0cm
Power Source
AC power adaptor
YAMAHA PA-1, PA-1B, or PA-3
(sold separately)
Batteries Six “AA” size, SUM-3, R-6, or
equivalent batteries
(sold separately)
Dimensions (W x D x H)
435mm x 236mm x 160mm
(17 1/8” x 9 1/4” x 6 1/3”)
Weight 1.4 Kg (3 lbs., 1oz.)
Supplied accessories
Percussion Sticks
Voice List
* Specifications subject to change without notice.
Troubleshooting