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V4BH Bass Amplifier
3
An Introduction to your new Ampeg V4BH Bass Amplifier
The harmonically rich sound and legendary performance of the classic AMPEG SVT are redefined in the V4BH.
This dynamically powerful bass amp delivers a thunderous 100 watts of unsurpassed quality, reliability and tonal
flexibility. It also provides the classic vibrance of tubes as well as contemporary features. The features and controls
of your V4BH are covered in detail within the pages of this owner’s guide. We recommend going over them before
you use the amplifier.
Features
In true Ampeg tradition, your new V4BH offers you more power, performance and flexibility than any other bass ampli-
fier in its class. Below are some of the outstanding features of your new amplifier – features which set it apart from the
competition! Additional information on these features can be found on the pages indicated.
• -15dB INPUT: This feature is perfect for “active” basses (page 4)
• ULTRA LO AND ULTRA HI SWITCHES: These enable you to tailor your sound in many different ways at
the touch of a button (page 4)
• 5-POSITION FREQUENCY SELECTOR: Take your pick from the five center frequency points to get just the
right midrange voice (page 4)
• SLAVE OUT: Use for powering another amp from the V4BH’s preamp (page 5)
System Block Diagram
0dB INPUT
GAIN
ULTRA
LO
MID
FREQUENCY
MASTER
BUFFER
PREAMP
OUT
PWR AMP
INPUT
SLAVE
OUT
BAL
OUT
SPEAKER
OUT
EXT.
SPEAKER
OUT
POWER
AMP
PWR/STDBY LED
ULTRA
HI
-15dB INPUT
BASS TREBLE
4 OHMS8 OHMS
IMPEDANCE
SPEAKON*
JACK
1+
2+
1- 2-
*Speakon is a registered trademark of Neutrik U.S.A.