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Mesa/Boogie SUBWAY D-800+ - Instant Gratification; Front Panel; Input Jack; Mute Switch

Mesa/Boogie SUBWAY D-800+
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INSTANT GRATIFICATION
The SUBWAY D-800+ is about the easiest amp on the planet to get great sound from… it really
is “plug and play”. Start with the MUTE switch down (mute off), the ACTIVE/PASSIVE switch down (passive pickup), VOICING control
in the “flat” position, the BASS, LOW MID GAIN, HIGH MID GAIN & TREBLE controls in the “flat” (12:00 straight up) position and the
MASTER volume control in the 1:00 position. Plug your bass in, and turn the GAIN control up until you reach your desired volume.
Now, gradually rotate the VOICING control clockwise towards the vintage position and stop when you achieve the basic amp voicing
that you are looking for. The more clockwise, the greater the low end boost, mid cut (frequency also shifts as the control is rotated)
and a mild treble boost. Then, EQ to taste.
FRONT PANEL (CONTROLS & FEATURES)
INPUT JACK
This jack is the instrument INPUT that feeds the first stage monolithic J-FET buffer amp of the SUBWAY D-800+.
The input sensitivity of this input buffer amp is adjustable with the ACTIVE/PASSIVE switch, the ACTIVE position being about 10dB
less sensitive (lower gain) than the PASSIVE position.
MUTE SWITCH
This switch (and its associated red indicator LED) mutes the audio signal being sent to the DIRECT OUTPUT
and SPEAKER OUTPUT for silent tuning with a tuner connected to the instrument cable and then through to the amp or to the TUNER
OUTPUT jack. When the switch is in the up position, the red LED will illuminate and NO audio will be present at the DIRECT OUTPUT
jack, HEADPHONE jack or the SPEAKER OUTPUT jack. This switch can also be used to place the amp into standby mode before
and between sets without adjusting any of the controls.
ACTIVE/PASSIVE SWITCH
This switch (and its associated blue indicator LED) sets the sensitivity of the J-FET input buffer.
Often (though not always), an active bass may have a signal level up to 10dB greater than a typical passive bass. If you find that you
are operating the gain control near the low end of the control’s rotation in order to prevent the O/L LED from flashing, switching this
switch up (into the ACTIVE position) will reduce the input sensitivity (gain) by ~10dB, allowing greater control range and freedom from
overload with high output active basses. The ACTIVE/PASSIVE switch will not change the tone of your bass.
DEEP SWITCH
This switch (and its associated blue indicator LED) engages the DEEP filter, our take on classic low frequency
response enhancement and extension. When engaged, there is a mild boost in the very low frequency response while also lowering
the effective high pass filter frequency. This combination brings a more round, thicker, fatter response to the bottom end. When using
with small (compact style) cabinets, be aware of the possibility of damage due to overpowering at higher volumes.
BRIGHT SWITCH
This switch (and its associated blue “indicator” LED) engages the BRIGHT filter, which causes a rising
response at higher frequencies much like the switches found on the most popular classic tube amps. Engaging this filter can bring
some “bark & bite” into the tone.
INPUT CONTROL (GAIN) & O/D LED
The INPUT control determines the input gain of the first gain stage and thus the
level at which the following electronics stages operate. Overdriving the input gain stage may be a desirable tonal characteristic of your
playing style and the amber O/D LED provides a visual indication of the status of the drive signal level and how much preamp overdrive
is being achieved. When using significant overdriven tones, you may find it helpful to back down on the TREBLE EQ a little bit to
reduce harshness and also to reduce the BASS EQ or increase the HIGHPASS FILTER frequency to increase the clarity and impact.
INPUT
BASSVOICING
HIGHPASS
FILTER
INPUT
LOW MID
GAIN
LOW MID
FREQUENCY
HIGH MID
GAIN
HIGH MID
FREQUENCY
TREBLE MASTER
DEEP
ON
O/D
30
HZ
150
HZ
150
HZ
1800
HZ
300
HZ
5000
HZ
FLAT BOOST
ON
BRIGHT
POWER
PROTECT
LIMIT
PASSIVEPLAY
ACTIVEMUTE
TM
PAGE 3

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