Roland 115 Stereo Amplifier User Manual


 
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Panel descriptions
D-BASS 210/115 Front Panel
1. INPUT Jack
Connect your bass guitar here.
This section features two jacks, PIEZO and NORMAL.
PIEZO jack:
Connect acoustic or electric basses equipped with piezo
pickups to this jack. The ultra-high impedance circuitry
provides a clear sound with minimal degradation in
tone.
NORMAL jack:
Connect electric basses equipped with magnetic pickups
to this jack. Connect to this jack when using preamped
piezo pickups or when you have an effects processor
connected between the bass and the amp.
You can use the PIEZO jack and the NORMAL jack
simultaneously.
2. PICKUP TYPE switch
This switches the input circuitry of the NORMAL jack to
match either an active or a passive pickup.
With the button pressed in, the input circuitry is
switched to match an active pickup, and the input
sensitivity is reduced (-10 dB).
3. GAIN Knob
This adjusts the input level.
4. PEAK Indicator
This lights up when the signals are distorted in the input
section. If this lights frequently, it indicates that the input
signal is in excess of the optimal level.
Turn the GAIN knob (3) to the left to reduce the gain.
When set to the proper level, the indicator will light up
briefly during the attack portion of a note when the bass
is played with maximum force.
* Inputting in excess of the optimal level can cause unintended
distortion and may prevent the COMPRESSION effect from
functioning properly. Setting the level too low results in
excess residual background noise.
* Be sure to check the input level each time you connect a
different bass or have an effects device connected between the
bass and the amp.
5. AMP TYPE Switch
You can select from the three COSM amp types.
6. SHAPE Switch
This effect alters the COSM amps’ tonal qualities. The
particular effect obtained varies according to the amp
selected with the AMP TYPE switch (5).
COSM AMPLIFIER
SUPER
FLAT
This amp type reflects the true tone of the con-
nected bass, presenting the instrument’s own
sound to the fullest.
This amp reproduces the full range of nuances
produced by various performance tech-
niques, and faithfully recreates every detail of
the expressive elements of a performance.
This is the perfect model for acoustic basses.
Provides a dynamic tone with an even wider
range.
VINTAGE
This amp type models the standard bass amp
sound, widely used ever since the electric bass
first appeared.
It features a warm low end and contoured
midrange.
The minimal fret noise makes it perfect for fin-
ger picking.
Provides a tone that boosts the fatness of the
midrange.
210/115