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1.) Mic/Line Input - this is a 1/4" 2 conductor input jack for plugging in Hi-Z microphones. It is intended
for microphones but will accept other instruments as well.
2.) Guitar Input - this is a 1/4" 2 conductor input jack for plugging in your instrument. It is intended for guita r
or Hi-Z microphones but will accept other instruments as well.
3.) Mic/Line Volume - this control is the volume control for the mic/line input. Slowly increase the control
to increase the volume. If you are using a high impedance microphone, be careful when increasing the
volume. Depending on mic position, it may feedback if mic is in front of speaker.
4.) Guitar Volume - this control is the volume control for the guitar input. Slowly increase the control to
increase the volume. If you are using a guitar with an on-board preamp, set its level for a mid position
before increasing this control otherwise distortion may occur.
5.) Low - this control is the bass control. It is active and set to boost or cut frequencies at 60 Hz. This will
affect the low frequency signals. Turning it counterclockwise, the low will be rolled off -18db. Clockwise,
increases those frequencies up to +18db.
6.) Lo Mid - this control is the Low Midrange control. It is active set to boost or cut frequencies at 350 Hz.
This will effect the mid-low frequency signals. Turning it counterclockwise, the low-mids will be rolled off -
12db. Clockwise, increases those frequencies up to +12db.
7.) Hi Mid - this control is the High Midrange control. It is active and set to boost or cut frequencies at
2.5KHz. This will effect the mid-high frequency signals. Turning it counterclockwise, the low-mids will be
rolled off -12db. Clockwise, increases those frequencies up to +12db.
8.) High - this is the high frequency tone control. It is active and set to boost or cut frequencies at 8KHz.
This will affect the high frequency signals. Turning it counterclockwise, the highs will be rolled off -18db.
Clockwise, increases those frequencies up to +18db.
9.) Reverb - this control adds the spring reverb and mixes it into the main signal. Reverberation
creates a trail like effect with the sound. It lets the notes "hang in the air" longer, extending the sound.
10.) Headphone Jack - this is a 1/4" 3 conductor jack for plugging in headphones. It will sum the signal
and put the sound in both ears, thereby creating a pseudo-stereo sound. Volume will be determined by
the volume control on the channel you are on. It will disconnect the internal speaker when in use. This will
allow quiet practicing.
Jewel Light - this jewel light lets you know that the amplifier is on.
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Power - this switch turns on and off the AC power to the amp.
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Back Panel - this is a 2 conductor 1/4" speaker output jack. This will disconnect the internal speaker and
allow an external speaker cabinet to be employed. Rating is 8 ohms.
Model
Power
Equalizer
Sienna16Pro
16 W
3
4
5
Channels
Impedance
4 Band
Two
8 Ohms
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7
SPECIFICATIONS
Effects
Amplifier Type
Reverb
Bi-Polar Transistor
REVERB
8
9
10
Dimensions
15.25" x 8.5" x 13"
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Weight
18 lbs.
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