EBS Valve Drive DI User Manual
SAMPLE SOUND SETTINGS
The following examples below show a few of the many sonic
possibilities of the EBS ValveDrive.
CLASSIC ROCK
VINTAGE OVERDRIVE
CRUNCH
MY PERSONAL SOUND
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USERS MANUAL
EBS P
- Disconnects the ground from the balanced output.
WITCH
- Use this output to connect to e.g. a mixing
- Connect this output to an amplifier or another pedal.
- Connect the DC power supply to this jack. Use only a
(0dB/-10dB) - Selects operation for active or passive
- Connect your instrument here.
- Controls the character of the Valvedrive. When
- When the footswitch is pressed and the LED is red,
OOTSWITCH
- Controls the overall volume of the EBS ValveDrive.
GND LIFT S
console or sound card.
BALANCED OUTPUT (XLR)
1/4” OUTPUT
stabilized power supply if not original EBS adapter AD9+.
DC POWER JACK
another pedal before the EBS ValveDrive.
instruments. Press this switch if you are using an active instrument or using
PAD SWITCH
INPUT JACK
REAR PANEL
changes the tube timbre, eq and compresses the signal over the gain stage.
LED is YELLOW, the VINTAGE mode is selected. The vintage character
the LED is RED, the pedal is set to standard MODERN character. When the
VINTAGE FOOTSWITCH
(depending on the setting of the bypass/mute switch on the rear panel).
the pedal is active. When deactivated the pedal is bypassed or in mute mode
ACTIVE F
VOLUME
ROFESSIONALBASSEQUIPMENT
The EBS Team
pedal!
EBS ValveDrive
We hope you'll enjoy using the
instrument to sing or scream.
either glow or growl, whether you want your
The ValveDrive pedal can make your bass
pure tube distortion.
traditional warm tube sounds up to hard and
section for more info.
sounds. These filters are of classic passive style. Please refer to the filters
Controls the timbre of the sound and is very useful for refining overdriven
BASS, MIDDLE AND TREBLE - The filter section of the EBS ValveDrive.
GAIN
- Controls the overall gain and amount of overdrive.
EBS ValveDrive pedal!
FRONT PANEL
pedal offers the possibility for classic and
The EBS ValveDrive tube preamp/overdrive
Thank you for purchasing the
THE CONTROLS
INFORMATION FOR QUALIFIED SERVICE PERSONNEL ONLY!
OW TO CHANGE THE TUBE
H
1)
Remove the power from the unit and wait at least five
(5) minutes.
2)
Carefully remove the chrome tube cover by losing the
four (4) holding bolts.
3)
Replace the tube with same type, i.e. ECC83/12AX7.
THE FILTERS
The EBS ValveDrive is equipped with classical style passive filters
especially tuned for bass guitar. The following graphs show the
frequency response of the BASS, MIDDLE and TREBLE controls.
BASS
4)
Attach the four mounting screws using moderate
tension.
WARNING!
To prevent fire shock hazard, do not expose
this appliance to rain or moisture. No user
serviceable parts inside. Refer servicing to
qualified service personnel.
BLOCK DIAGRAM
MIDDLE
Note: In each graph the other two
controls are set to maximum position.
TREBLE
FLAT FREQUENCY
RESPONSE
The special case when you
want a flat frequency response
from the passive filters is
obtained when BASS and
TREBLE controls are set to
MINIMUM, and the MIDDLE
control is set to MAXIMUM.
TECHNICAL SPECIFICATIONS EBS VALVEDRIVE
EBS VALVEDRIVE
Nominal Input Level -10 dBv
Pad Attentuation 10 dB
Input Impedance 1 Mohms
Frequency Response +0/-3 dB 35 - 20.000 Hz
Gain Range min/center/max - / +6/ +26 dB
Filter Section: Bass: type: Bell
Middle: type: Notch
Treble: type: Shelving
Output Impedance 100 ohms
Nominal Output Level Unbalanced -10 dBv
Tube Type Ruby Tubes 12AX7 AC5 HG+
Power Requirements 9V DC, 700 mA,
Dimensions Width 135
Weight 960 g (2.1 lbs.)
Specifications are subject to change without notice.
Attenuation: 0 - 15 dB < 80 Hz
Attenuation: 0 - 12 dB @400 Hz
Attenuation: 0-6dB@5kHz
Balanced -20 dBv
Connection: Center Negative
Height 75
Length 165 (6 )
Pin 2 pos, 3 neg
mm (5.3")
mm (3.0")
mm .5"
EBS Sweden AB · Grindstuvägen 44-46 · SE-167 33 Bromma · Sweden
Phone: +46-8-7350010 · Fax: +46-8-7350005
Web: www.ebssweden.com
E-mail: info@ebssweden.com
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