Yamaha | BK-5 | Owner's Manual | Yamaha BK-5 Owner's manual

Yamaha BK-5 Owner's manual
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GUIDE TO YOu 8
YAMAHA ELEC
YAMAHA ELECTONE
CONTENTS
Page
Introduction --................e-.e.eseecroricirerec ee eee ene acera ceooo o tee es aan aa aan aan ane à 1
This is Your Yamaha Electone BK-5-...................crrecerevececereo PO 2
Keyboards --...................-.eererrerececcrreecac eo cen rece error eacoerreoane are 3
Tone Levers -.............ece.eo0oeccococccrscrercocrocrcoricrerereeon e ecaracasra rec recreo enaca canon 4
Effect Levers ----.........c....ococcoreoerecconrecoc roer rencor arre cea reoce e rorrrereamen 6
Effect Controls --................ ee eee, 8
Sound -in-Motion Tremolo ---------------======e=1rerrivereareertrec errar eee eee eee 9
Auto Rhythm Section ----.---......... eeeírereree eo oenere eee rocecrco roer. 10
Starting Rhythm with the Foot Switech...-....................e..e..eresveererreniee e 12
Auto Bass/Chord System ......000000 ere ene 13
To Play in Rhythm .................eeerreeeererseroreoer ree eee een ea eee eee 18
To Fully Enjoy Your Electone ---..................ee0re0r0erecare cer eee eee 20
Care of Your Electone ................ee...esocsarcosooonocczarecoocrcasorronerrcarecoeaaooo ee 21
Do Not Be Alarmed If «oon iii e ear 22
Specifications eesvecoarocaaoracarecacorertcaserocarear a 00 88e neo 00 ace 0 aan 0 ne 00 nec ane 00 a sen a 0005 ce... 24
Introduction .....
Congratulations upon your selection of this Yamaha Electone. It is one of the world's most advanced
musical instruments, carefully designed and built to provide a lifetime of musical enjoyment.
To make sure you derive the most from its generous features and durable IC & FET circuitry, please read
this manual thoroughly before attempting to play. Then keep it handy for reference. Use it to develop
your own techniques and to teach others. With a little care your Electone will become a creative center of
family enjoyment for decades.
This is your Yamaha ===
1] Auto Ahythm Section
@ Wood 8
& Horn 8°
@} Сено 8'
O vibrato
| o Percussive Length
7 Fercussive 4
O) Fiute 16'
[9] Trombone 16'
{i Flute 8°
ID Oboe 8'
| a Fi String E"
| 6 Flute 4'
|
4 10 Vi
ав РГ
ШАЛИ
ily Reverb Balance
| | | él Reverb
vi Rass Guitar
FO) Bass 16'
Mm Pedal Sustain
ED Auto Eass/Chord
® Rass Variation
Ф Music Hest
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Electone BK-
Roll-top Fallboard {BP
Power Switch ifr
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MALA
Lower |
Manual FT
Upper Manual Sl
Tremôlo Selectors
Pilot Lamp ©
Tremolo Speed Control
|
|
UD Expression Pedal
él Rhythm stop/start Foot Switch
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The BK-5 has three keyboards. The upper two are called “manuals” and the other, for the feet, composed
of “pedals.” |
Upper Manual 44 keys (3 %’ octaves)
Lower Manual 44 keys (3% octaves)
Pedals 13 pedals (1 octave)
The Electone is designed to permit playing the melody on the upper manual with the right hand, the chords
on the lower manual with the other, and bass notes on the pedals with either foot.
All keys and pedals are arranged in the traditional keyboard method: two black keys, three black keys. Each
white key has à name (from À to G), and the blacks are sharps or flats. ‘’C’’ is always the white key just
below the left black key in the two-black-key group. Any complete set of seven white keys is called
an “octave.”
One octave
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PEDALS
Tone Levers.
To the left of both upper and lower manuals are a series of tone levers which control the voices (instrument
sounds) which will sound when the keys are depressed. They are divided into groups for upper, lower and
pedals, so that different registrations can be set for each.
Upper Manual Levers
Lower Manual Levers
Pedals
6 voices
3 voices
2 voices
7
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© SUSTAIN BASS 16’ BASS GUITAR |
a
Exclusive Yamaha Tone Lever
Each lever provides two methods of control. One
is by continuously moving the lever from off to
full, to achieve the exact setting for that tone, and
thus balancing the overall tone setting with perfect
precision. Each lever also has two easy-to-feel click
stops, at 1/3 and 2/3 positions. This lets you
refind any setting with mathematical precision and
no guesswork in a matter of seconds.
Bear in mind that the total tone lever settings for
a particular manual will affect that manual's overall
volume. This will be an expressive aid if used
properly, a drawback if it is forgotten.
FLUTE 16’ TROMBONE 16’ FLUTES OBOE 8” STRINGS’ FLUTE4" —
System
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Harmonics
The BK-5 has three different tonal harmonics, indicated by the numbers 16°, 8°, 4”. These are standard
organ abbreviations showing the tone's pitch in relation to the fundamental (written note). An 8' tone will
sound just as it has been written. A 16" tone (meaning that the wave length of the vibrations are twice as
long as 8’, or half as fast) will provide a tone exactly one octave lower than the written note. Similarly, 4’
tones are one octave higher than the written note.
ONE OCTAVE ONE OCTAVE
A. | FUNDAMENTAL | ABOVE
FUNDAMENTAL pris | Sol FUNDAMENTAL
For example, if you press middle C, corresponding to the keys in the chart below will sound be produced.
Depressing MIDDLE C
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In other words, the 16’ lever extends the lower manual a full octave as shown by the dotted line in the
illustration.
Effect Levers _
These levers control a variety of effects which add a host
of tonal variations to the Electone’s voices. Each lever works
in the same way as the tone levers, with both infinitely-variable 210
continuous control and click-stop settings. (full effect) 3 J
Upper Percussive : @, @
Changing the beginning of some or all notes can do wonders
for lively selections. Your Electone’s percussive effects provide
subtle but important shading at the moment each note is
heard. The special popping 4° percussive drive can be
smoothly blended into all upper manual tones with a single
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variable lever @ , and a separate lever ® regulates the length
of decay for these effects.
With percussive, use a detached fingering. Each note should
be played cleanly; slurred notes will diminish the percussive
impact.
LENGTH +
C PERCUSSIVE _
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Vibrato : ©
Vibrato is a scarecely noticeable waving of the tone. You will
see violin and cello players use it freely by an oscillating
motion of the left hand. It increases the emotional quality of
the violin tone. This vibrato lever produces the same vibrato
effect. Use of this lever will add a charming and lively air to
the tone of your Electone,
Tone Levers Registration...
#
For the best result of your performance, you should always take into consideration the correlative tone
volume balance among the three keyboards i.e., upper manual, lower manual and pedals.
When you wish to emphasize the melody played on the upper manual, for example, the volume of the
lower manual and pedals should be kept under that of the upper manual. On the contrary, if you want to
stress the accompaniment part on the lower manual or pedals the volume of that particular keyboard
should be adjusted relatively larger than the others.
Yamaha's unique variable volume control tone levers enable you to control this correlative tone volume
among three keyboards. Judge by your own ears and adjust the position of tone levers in advance. Each
tone lever slides continuously from off to full volume for sensitive balance control.
Three distinct stops also convenient to click your favorite tonal combinations into place for quick, easy
settings.
(EXAMPLE)
© UPPER
$ LOWER ® PEDALS
Effect Controls |
® Reverb: @
The reverberation effect, which makes your playing sound full
and rich as if you were playing in a large hall, can be adjusted
continuously and smoothly to suit your interpretation.
9 Reverb Balance : @
To balance the Reverb effect between the upper and lower
manuals; when used to strengthen the upper manual, it brings
you an effect similar to SUSTAIN on more expensive models.
Pedal Sustain
9 Pedal Sustain : @
This control provide continuous adjustment of the sustain
effect on the pedals concerned. For the pedals, this is the
only sustain control, and it affects all pedal tones with the
exception of Bass Guitar with sustains Automatically.
Sound-in‘Motion Tremolo.
=
The Electone's special throbbing tremolo is produced by a smaller-size Natural Sound speaker that really
spins just behind the tremolo speaker grille on the side of the cabinet.
On the BK-5 there are three tremolo selectors, located on the right side of the lower manual, each with an
an on/off function. They are complemented by a continuous tremolo speed control knob just above them.
Fa
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VOICE 15 CHORUS \
ШЕИ TREMOLO SPEED
When the speed control is set to its central position,
the Tremolo tablet will turn the speaker at seven
revolutions per second. The Chorus tablet will turn it
at one revolution per second.
Once either tablet is switched on, it takes several
seconds for the tremolo speaker to attain the standard
speed, This is also true when switching to a slower
speed (Tremolo to Chorus). If one of the other tre-
molo control tablets is switched on during this speed
change period, the speed variation will be heard in the
MUSIC,
If you wish an instant tremolo or chorus sound, be
sure to switch on that tablet well in advance of one
of the speaker selectors 19. For special selections
you can use this speed variation by switching the
speaker on first, the Tremolo or Chorus switch later.
TREMOLO
Fr
| TEEMOLO
Upper Voice (Main/Rotary) :
Lets vou divert upper manual tones from the main TRE WOLD
to the tremolo speaker.
Lower Voice (Main/Rotary) :
Does the same for lower manual tones.
Auto Rhythm Section...
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This section provides eight catchy rhythms, each one called forth by a simple button.
In addition to a combined volume and balance knob, tempo control and tempo indicator light, there are
two other switches: ordinary Start and the exclusive Yamaha Synchro-Start which begins the rhythm
accompaniment on the first beat of a measure when the first lower manual or pedal note is struck. A foot
switch fitted on the expression pedal lets you cut and restart the rhythm at any point during play.
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WILUME —&- BALANCE TEM] i SYNCHFI— START
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Ë — Tempo Indicator Lamp Synchre-Start —
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a Tempo Control Rhythm Start
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Ea Volume Contral
a = Rhythm Selectors
ki Balance Control
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How to use the Auto Rhythm
® Rhythm Start
For instant rhythm at the beginning of a selection. Push the rhythm
selector desired, get the beat set in your mind by watching the indicator
lamp, when set Synchro-Start switch on and then turn the Start switch on,
© Synchro-Start
Select the rhythm, switch on the Synchro-Start and begin to play once
vou have the beat established. The rhythm will begin as soon as you
strike a lower manual or pedal note. This switch permits you to lead in SYNCHRO-S
with a rhythm-free melody at first if so desired.
=- ] ()=
S Rhythm Stop (Foot Switch) : @®
This switch is located in the expression pedal housing to the left of the pedal.
Once the rhythm is on, push this switch once to instantly stop it, once again to
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restart. It lets you stop and restart the rhythm in the middle of a selection without РУ
using your hand.
Note : After the foot switch has been used, be sure it is reset to normal after
you finish playing your selection, and then make sure both Start and
Synchro-Start switches are off. Otherwise vou may turn on one of the
switches in the middle of a new number only to find the rhythm still Expresgion Pedal
canceled,
9 Tempo Control
The tempo of the Auto Rhythm section can be adjusted by a continuous
control knob. This is best accomplished by turning on’ the Synchro-Start
switch. Although no sound will be produced, the indicator lamp will flash each
quarter note letting you visually check the tempo while you adjust.
9 Volume Control
Use it to balance the volume of the rhythm section and the manuals.
This volume is then varied during the selection by the expression pedal, just
like that of the other tones.
VOLUME CONTROL —
FAST
SLOW
= =
TEMPO
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LOUD
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BALANCE CONTROL
© Balance Control
= =
VOLUME —# BALANCE
This control lets you balance the low rhythm sounds, such as drums, and the high sounds (i.e. cymbals)
according to your mood and the selection. It can make a big difference even when using the same rhythm.
Turn the knob to the right to accentuate the higher (treble) sounds, to the left for lower (bass). If you
accentuate the treble sounds the rhythm becomes brighter and more cheerful.
Check the playing hints for specific settings.
Starting Rhythm with...
the Foot Switch
Although the foot switch is mainly for stopping and then restarting the rhythm, you can turn on the rhythm
with either start switch, then shut it off with the foot switch before beginning to play. This way, when you
are ready for the rhythm you can switch it on with your foot.
Lets you stop and then restart the rhythm in the middle of a selection without using your hands.
For this reason, be sure that both Start and Synchro-Start switches are turned off after each selection.
WHEN THE SAINTS Go MarcHIN' In
C | Ст Е
Rhythm: Swing
start by Foot Switch CL
Moderately | у | Traditional
C
A .
LF A 1 L 1 ] 1 1 1 1 E 1 1
cu de 1 1 I | 1 4 L L I 1 1 4 Е 1 1
de. L 1 Eon 1 al 1 1 1 a 1 1 ]
sr 1 hd Г 0 a T° NE—— Le — uo Lo E e ]
С A C 4 rv 1 C -X ==
Oh, WHEN THE
Oh, WHEN THE SAINTS, GO MARCH-ING IN,
SAINTS GO MARCH - ING IN, Oh, Lord, 1 want to be in that,
F С G7 С [stop by Foot Switch |
A '
| | 1 J | | 1 ] I 1 Y 1
1 1 | | 1 1 1 ] ] 1 1 Г Т
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пит - Бег, — WHEN THE SAINTS GO MARCH - ING IN.
~19~
® Auto Bass/Chord Levey
SUSTAIN BASS 16 BASS GUITAR
| |
SRR; | ———
1455 VARLATIONS
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® Instructions for Operation of “Auto Bass/Chord”
Your new Yamaha Electone, Model BK-5, is equipped
with a lever marked “Auto Bass/Chord” (A) . When
used in conjunction with the “Automatic Rhythm”
(see page 10). It enables you to play just about any
combination of alternating bass-chord rhythms simply
by sustaining (holding down constantly) a chord on the
lower keyboard. From your very first, simple melody, you will be sounding like a pro. Here is all you have
to do.
(В) Bass Variation Button
@ Move the Auto Bass/Chord
Move the “Auto Bass/Chord” lever toward you (A) . You have ; pay
now engaged the memory system and deactivated the pedals (as OFF
long as this lever is in the engaged position, you cannot play your
BK-5 as a conventional organ).
E BASS VARIATION
® Select one of the automatic rhythm patterns and push the corresponding button down until it clicks
and stays down © .
В о
г —l({ Auto Rhythm Button
Ru TE
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Immediately to the right of the rhythm button you will find two
rocker type switches (D) . Push the “on” side (right) of the one
marked “Synchro-Start” (the one marked simply “start” is to be
used when you wish to continue hearing the automatic rhythm even
after releasing your chord on the lower keyboard). Now, be sure you
have at least one stop for each: Upper Keyboard, Lower Keyboard,
and Pedal. You are now ready to play.
Form one of the following type of chords on the lower manual with
your left hand in any inversion:
Major Seventh
Minor Minor Seventh
(These are the only chord types for which the memory unit can
supply the proper bass note.) Play all the notes in the chord at the
same time. The unit should now be working. Adjustments may be
necessary to the “Tempo” and “Volume” knob to the left of the
“Automatic Rhythm” unit (See page 11).
Adjustments may also be required to balance the relative volume of
bass, chords, and solo (upper) keyboard; do this in the same way you
would if playing conventionally. When the first chord is played, the
unit will begin to operate on the downbeat, or first beat of the
measure. When the chord is released you will not hear any more
sound, but the unit is still operating within it's cycle. To start unit
on a downbeat again, when beginning a new song, it is necessary to
re-set the “Synchro-Start’’ switch ©
Bass Variation Buttons :
Just below the “Auto Bass/Chord’ lever are three ‘Bass Variation Buttons’ , marked 1 - 5 (left)
1-3-5 (center), and 1 - 7 - 5 (right). The numbers under the buttons correspond to the notes on the
musical scale in any given key and indicate what bass notes are available in the memory unit when a
particular button is depressed. The type of chord and the automatic rhythm used will determine the
actual note (and their sequence) that you hear.
There now follows a chart which indicates by scale step what bass notes will sound with each possible
combination (Note: for the unit to perform correctly, at least one but not more than one button should
be down In each section), ‘Bass Variation’ “Automatic Rhythm”.
Auto Bass/Chord
=] 4-
D Synchro-Start Switch
B Bass Variation Buttons
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ALE LEA LT i | EE TE CE a hf Vi LT aE pe
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SOUNDS and EFFECTS
To completely familiarize yourself with the various sounds and effects possible with the Auto Bass/Chord,
hold the G7 chord down and try changing the Rhythm buttons (example: Swing to Bossa Nova to Samba).
With each change, try each of the three Bass Variation buttons and listen to the bass pedal pattern changes.
While you're experimenting with the rhythm patterns, use the Volume knob {upper left) to increase and
reduce the volume of the Auto Rhythm Section and listen to the changing balance between the percussive
rhythms and the chords and pedals. Strive for a good balance. The speed of your rhythm accompaniments
can be controlled precisely with the use of the “TEMPO” control and will depend on your musical taste and
ability to maintain the tempo (speed) of the right hand melody. |
“… SYNCHRO-START
The unique Yamaha Synchro-Start lets you set the rhythm volume and speed (separate controls), select the
beat, then automatically begins the instant you strike the first note or chord on the lower keyboard.
Here is one very effective use of the Auto Bass/Chord. Set the START rhythm selector to “OFF’'. Have the
SYNCHRO-START selector “ON”. The rhythm and accompaniment will now start to play only when the
keys on the lower keyboard are played, and when the keys on the lower keyboard are released, the rhythm
accompaniment will stop.
IMPORTANT: Before starting any rhythm, press the Synchro-Start selector “OFF” and “ON”. This will
re-set the computer and the bass pedals and left hand chord rhythms will always start correctly, on the down
beat, when the left hand chord is played.
When the Synchro-Start selector is in the “OFF” position, the red light ($) will blink the speed of the
rhythm. When the rhythm is playing, the red light will blink on the first and sometimes the first and third
beats of the measure depending on the rhythm chosen.
- RHYTHMS AND REGISTRATIONS
The suggested rhythms and registrations are only suggestions and other rhythms and registrations may be
used. It is fun to experiment with rhythm and sound. However, when the fraction at the beginning of the
song is 3/4, only the Waltz Rhythm can be used.
Try changing rhythms in the same song. When changing rhythm in a song the rhythm used must remain at
the same tempo (speed). Both Swing and Slow Rock are the same speed and can be used interchangeably.
The Jazz Rock, Bossa Nova, Rhumba and Samba are all the same speed and can be used interchangeably.
The rhythms that use three bass pedals notes) are Slow Rock, Rhumba and Samba. To use the three bass
pedals, the Bass Variations selector must be |_| [| or Г] |] 72 with the Auto Bass/Chord lever
placed in the “ON” ( J, ) position.
-15-
TO PLAY A MELODY
Pull forward all the tone levers for both the lower and upper keyboards (manuals) and add the Bass 16’ for
the Bass Pedals. (NOTE: The Auto Bass/Chord should be “OFF” at this time). Play the melody on the
upper keyboard by following either the numbers or letters. (NOTE: Both “play by number” and “play by
letter” systems are used to permit non music readers to enfoy playing the different types of chord organ
books available.)
Add the left hand chords, shown over the melody, on the lower keyboard and hold each chord until the next
chord is shown. (NOTE: When the Auto Bass/Chord is added, the left hand chords will play in rh ythm.)
WHEN THE SAINTS COME MARCHING IN
Moderately Traditional
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Oh, WHENTHE SAINTS, _ GO MARCHING IN, Oh, WHEN THE
a G7 C
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SAINTS GO MARCH - ING IN, Oh, Lord, 1. want ! to be in that
TO PLAY IN RHYTHM
Press the “SWING” selector button on the Auto Rhythm Section. To play with the Auto Bass/Chord, pull
the Auto Bass/Chord lever forward to “ON”. Set the Synchro-Start switch to “ON” and the Start switch to
“OFF”.
Watch the blinking red light to determine the Tempo of the rhythm. Adjust the Tempo to SLOW in the
beginning. Play the melody and when you play the left hand chord C, both the left hand and bass pedal
will start to play in rhythm.
-10-
Bass Variation
Explanation:
Bass Variation
LC
1.3.5
BCO
Type of Chord Rhythms Effected
Major Swing, Waltz, Bossanova
Minor Slow rock, Rhumba
Seventh
Minor Seventh
Bass Notes Played
1.5
This is the basic pattern and alternates the root (1) and fifth (5) in the bass regardless of
rhythm chosen for type of chord. The one exception is the “jazz rock” rhythm, which never
plays anything but the root in the bass.
Type of Chord Rhythms Effected
Major - Swing, Waltz, Bossanova ]
= Minor Slow rock, Rhumba 7]
Seventh
Minor Seventh
Bass Notes Played
1.5
1.3.5
Explanation: This selector effects only the Siow Rock, Rhumba rhythms with which it will play a root (1),
third (3), fifth (5) pattern. All other rhythms function as with the (1.5) selector.
Bass Variation
PR EE
Sa
ER
Explanation:
Type of Chord Rhythms Effected
| Major Swing, Waltz, Bossanova
Minor | Slow Rock, Rhumba
Seventh Swing, Waltz, Bossanova
1.7.5 _Minor Seventh _Slow Rock, Rhumba
Bass Notes Played
1.5
_1.3.5
1.5
| 1.7.5
This selector effects only the Slow Rock, Rhumba rhythm when a seventh or minor seventh
chord is being played, with which you will hear the root (1), seventh (7), and fifth (5) bass
rootes. When playing a major or minor chord the unit will perform exactly as it does with
the second “Bass Variation” selector (1.3.5).
Remember, the Jazz Rock rhythm is not affected by the “Bass Variation” selector, it plays
only the root (1).
-17-
To Play in Rhythm eee
Rhythm : Swing ALOHA OE
Bass Pattern : И || [| L.H. Chords Used In This Song
г С G7
_
Moderately F C Hawaiian Traditional
LA PALOMA
Rhythm : Rhumba
Bass Pattern : [| т || L.H. Chords Used In This Song
C
Na?
A Se С — : = pr Traditional
6 3 ce F er @-—— + 1 f 1 — ]
Rhythm : Bossa Nova LONESOME ROAD
Pass Pattern : | | т |} L.H. Chords Used In This Song
C Fm
Slowly С Fm
=== ; = | = = =
Fe Te ré Te
Look down, look down that LONE SOME
HE'S GOT THE WHOLE WORLD IN HIS HANDS
Rhythm : Jazz Rock L.H. Chords Used In This Song
Lad ELO
PEN
e pu
Bass Pattern: #8
Moderately С | Traditional
HE'S GOT THE WHOLE WORLD IN HIS HANDS;He's got the
Rhythm : Slow Rock MARIANNE
Bass Pattern : | | Ш || L.H. Chords Used In This Song
C G7
_e
Moderately
С G7 Traditional
C
All day, all night, MAR - 1 - ANNE,
| GREEN GREEN GRASS OF HOME
Rhythm : Swing
(Optional : Slow Rock/Jazz Rock)
Bass Pattern : L.H. Chords Used In This Song
(| M1 G с
— —
Moderately G C
I 1 y ] 1 pre 1 y y 1 Г 1
De De De (фе "Го: De pe Ire Se és
1. The old home - town looks the same as I - step down from the
2. The old house is still stand-ing, tho’ the paint is cracked and
-19-
‘To Fully Enjoy Your Electone
#
Headphone Jack
Plug a headphone set (optional accessory) into the jack
under the keyboard and you can play with the volume as
high as you like without disturbing anyone, even in the
middle of the night.
External Input Jack (EXT. IN)
Can be used to feed any sound source through the
Electone Natural Sound Speaker:radio, record player or
tape recorder. Since the volume of these sound sources
is not affected by the expression pedal, you can play
along on the Electone with any other performance.
Care of Your Electone
a
In general you should treat your Electone with the same care you would give any fine musical
instrument. However, the following points are suggested to assure optimum enjoyment.
1. Be sure to use your Electone only on the correct voltage.
If any changes are required, please consult your Yamaha Electone service agent.
240 V
2. If any trouble develops, contact your service agent.
Never touch the circuits or the internal elements of the Electone yourself.
3. When you have finished playing, be sure to turn off the power switch.
4. In order to clean the keys, tabs, etc., use a damp cloth.
Never apply organic solvents such as alcohol, for they will damage the materials.
5. Do not expose the Electone cabinet to the direct rays of the sun. This can bleach the
finish and lead to separation along the joints. It is also best to choose a location free of
humidity and currents of heated air.
6. Be careful not to strike or scratch the cabinet with a hard object.
7. In opening and closing the fallboard, grasp the front lip with both hands and slide it
gently in its groove. Never attempt to raise the fallboard directly upwards. Do not place
heavy objects on it.
-21-
GE WE co EA ME
D O Not B e Alar med I £ ERE e: SET
1. A note should sound the instant you turn on the switch.
This merely indicates normal operation consequent to a surge of electricity in the main amplifier.
2. Only one note is produced even when two pedals are depressed simultaneously.
In order to achieve tonal clarity, the Electone is designed so that a note is electronically supressed the
instant the next note is struck. If two pedals are struck simultaneously, only the higher one sounds.
3. Occasional unpleasant static occurs,
In the majority of such cases, the cause can be traced to the turning on or off of refrigerators, washing
machines, electric pumps or other household appliances. Electrical fault in a neighboring outdoor neon
sign may also be to blame. |
When the cause is a home appliance, connect the Electone to an outlet as far as possible away from the
offending appliance. This phenomenon, although annoying, poses no danger to the Electone circuitry.
If the cause is a fault in a neon or fluorescent lighting fixture, it should be repaired. When the cause is
unknown, or in case of doubt, contact your Yamaha dealer.
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4. The Electone can at times reproduce radio or TV sound signals.
This can occur when there is a powerful radio or TV transmitter, or an amateur radio operator located
in the vicinity. |f the situation is distracting, contact your Yamaha dealer.
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5. Sound rattling (sympathetic vibration) occurs.
All materials have critical resonance frequencies at which they vibrate. Since the Electone produces
continuous tones, it is only normal that some will cause windows, shelves, etc. to rattle.
6. Pedal notes sound too high, and upper manual notes too low. |
This feeling may be especially strong for players who switch from the piano, because of the difference
in tonal construction. Each piano note is a combination of complicated harmonics, and can be heard
only in its interaction with the surroundings. But Electone harmonics are only multiples of the integral
{base) tone, and so the instrument cannot be tuned in the same way as a piano. The same is true of other
organs, pipe and reed types.
7. Brilliance does not function with Flute sounds.
In order to reduce multiple harmonics in the high range, special resistors and condensers are used.
They unfortunately limit the Brilliance effect for flute and wood sounds, as well as pedal tones. Bril-
liance really shines for strings, oboe and brass, where the harmonics are desired and therefore left
untouched.
8. There is a bit of noise when the rotary speaker is switched on.
This too is a mechanical noise stemming from the spinning speaker. Special mountings help keep this
sound at an absolute minimum,
-23-
Bl KEYBOARDS
Upper Manual 44 keys f~ ca
(3% octaves)
Lower Manual 44 keys F ~ сз
(3% octaves)
Pedals 13 keys Ci~C
(1 octave)
Ш TONE LEVERS
Upper Manual Flute 16’
Trombone 16’
Flute 8’
Oboe 8’
String 8’
Flute 4
Lower Manual Wood 8’
Horn 8
Cello 8’
Pedals Bass 16"
Bass Guitar
M EFFECT LEVERS
Vibrato
Percussive Length (Upper)
Percussive 4' (Upper)
Pedal Sustain
MM EFFECT CONTROLS
Reverb
Reverb Balance (Upper/Lower)
MN TREMOLO SELECTORS
Voice (Main/Tremolo)
Tremolo
Chorus |
BM AUTO RHYTHM SECTION
Rhythm Selectors
March Jazz Rock
Waltz Rhumba
Swing Bossanova
Slow Rock Samba
Rhythm Controls
Rhythm Start
Rhythm Stop/start (Foot control)
Specifications
Synchro-Start
Tempo
Volume
Tone Balance
Tempo Indicator Lamp
B AUTO ACCOMPANIMENT SECTION
Auto Bass/Chord Lever
Bass Variation Selectors
1.5
1.3.5
1.7.5
Ш OTHER CONTROLS
Expression Pedal
Tremolo Speed Control
Power Switch
Pilot Lamp
MN OTHER FITTINGS
Headphone Jack
External Input Jack
Roll-top Fallboard
Music Rest
Matching Bench with Music Storage Space
№ SPEAKERS
Main: Yamaha JA-3055
Tremolo: Yamaha Natural Sound JA-1701A
Electro-control 2-speed
Hl CIRCUITRY
Solid State (Incl. ICs and FETs)
Output Power: 15 Watts (RMS)
Power Consumption: 100 Watts
100/110/117/125/220/240V AC,
50/60Hz
E DIMENSIONS
Width: 111cm (43%")
Depth: 56cm (22'")
Height: 90cm (35%”)
E WEIGHT
56kg (136 Ibs.)
E FINISH
American Walnut Grain
Specifications subject to change without notice.
-24-
— @ YAMAHA
NIPPON GAKKI CO., LTD. HAMAMASTU, JAPAN
EOM-15 | 3820 @ 5 Y.A Printed in Japan
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