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Custom Line Bass DI-Expander
Safety instructions
Intended use
This product is meant to be used as preamp and DI box for bass guitars. Any oth-
er use or use under other operating conditions is considered to be improper and
may result in personal injury or property damage. No liability will be assumed
for damages resulting from improper use.
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and
are not within reach of babies and young children. Choking hazard!
Ensure that children do not detach any small parts from the product.
They could swallow the pieces and choke!
Features
• Bass preamp / DI pedal
• Compressor with controls for Compression and Threshold
• 3-band EQ with parametric mids
• Ground / Lift switch for DI out
• 10 dB attenuation switchable for input signal
• Instrument input 1/4" jack, Thru output in parallel
• Line input
• 1/4" phone output for amp & headphones output
• XLR DI output (e. g. for connecting directly to the mixing console)
Operating elements
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Using the product
1. Insert a 9 V battery into the device or connect a suitable power adapter that pro-
vides 9 V (not supplied) to the 9 V connector (negative pole = internal connector
). When the DI output is used with a device that provides phantom
power, the supply voltage can also be provided via the phantom power supply.
Then the D.I. switch must be in the GND position. Turn on the unit with the ON /
OFF switch, the ON / OFF LED will turn red.
2. Connect an electric bass to the INPUT jack using a shielded 1/4" jack cable. Watch
the CLIP LED while playing. If it often turns red, turn the GAIN control counter-
clockwise. If the LED is still red, the instrument's output level is too high. Then set
the INPUT switch to the -10 dB position.
For the transport and protective packaging, environmentally friendly materials
have been chosen that can be supplied to normal recycling. Ensure that plastic
bags, packaging, etc. are properly disposed of. Do not just dispose of these ma-
terials with your normal household waste, but make sure that they are collected for recy-
cling. Please follow the notes and markings on the packaging.
Remove lithium batteries before disposing of the device. Protect used lithium
batteries against potential short circuits, e.g. by covering the poles with adhe-
sive tape. Lithium batteries must not be thrown away with the normal house-
Thomann GmbH • Hans-Thomann-Straße 1 • 96138 Burgebrach • www.thomann.de • info@thomann.de
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User manual
This manual contains important information on the safe operation of the product.
Read and follow the safety advices and instructions given. Retain the manual for future
reference. If you pass the product on to others please include this manual.
Where to use the product
Never use the product
• in conditions of extreme temperature or humidity
• in extremely dusty or dirty areas
• at locations where the unit can become wet
General handling
• To prevent damage, never use force when handling the product.
• Never immerse the product in water. Just wipe it with a clean dry cloth. Do not use
liquid cleaners such as benzene, thinners or flammable cleaning agents.
• 9 V battery operation, power adapter optional (item no. 108096, not included)
or via 48 V phantom power (through XLR socket)
• Dimensions:
• Weight:
• Current draw:
• Input impedance:
• Output impedance (DI):
• Output impedance (amp out):
1 BLEND
to mix dry and EQed signal
'
2 BASS
bass control
3 MIDDLE
mid control
4 9 V
connector for 9 V
(
5 FREQ
controls the mid control center frequency (150 Hz – 8 kHz)
6 TREBLE
treble control
)
7 CLIP
LED lights up red on excessive input signal, otherwise green
8 THRU
1/4" output, delivers the looped-thru INPUT signal
*
9 GAIN
controls the input gain
10 INPUT
1/4" instrument input
+
11 COMP.
controls the compression ratio if function enabled
12 LINE IN
3.5 mm mini jack input to connect line level devices
13 ON/OFF
LED lights up red when the device is enabled, LED lights up green
,
when the device is disabled (DI and INPUT switch remain enabled)
-
14 ON/OFF
enables / disables the device
15 INPUT
switchable input signal attenuation by -10 dB
.
16 D.I.
Ground / Lift switch for XLR DI out, must be in GND position when
device is operated via phantom power
17 COMP.
enables / disables the compressor function
18 COMP.
LED lights up red on activated compressor function, otherwise green
19 D.I. OUT
XLR signal output for direkt input into the mixing console, can be
used to run the device on phantom power
20 THRESHOLD sets the level at which the compressor processes the signal
21 PHONES
3.5 mm mini jack headphones output
22 VOLUME
sets the volume of all outputs, except THRU
23 OUTPUT
1/4" output to connect an amplifier
3. Connect an amplifier to the OUTPUT socket. You can connect headphones to
the PHONES socket. The DI signal for feeding into a mixing console is present at
the 48 V D.I. OUT output. To feed the dry input signal to other devices, connect
them to the THRU socket.
4. Use the EQ to adjust your desired sound. The FREQ control allows you to adjust
the centre frequency of the mid control between 150 Hz and 8 kHz. The BLEND
control adjusts the ratio between the dry signal (left stop) and the EQ-pro-
cessed signal (right stop).
5. To activate the compressor function, press the COMP. switch, the COMP. LED will
turn red. Use the COMP. control to set the compression ratio. The THRESHOLD
control determines the level above which the signal will be processed by the
compressor.
hold waste or burned, but must be disposed of in accordance with local regulations on the
disposal of hazardous waste. Use the existing collection points.
This product is subject to the European Waste Electrical and Electronic Equip-
ment Directive (WEEE) in its currently valid version. Do not dispose of your old
device with your normal household waste. Dispose of this product through an
approved waste disposal firm or through your local waste facility. Comply with
the rules and regulations that apply in your country. If in doubt, consult your local waste
disposal facility.
128 × 93 × 56 mm
450 g (without battery)
40 mA
680 kΩ
2,2 kΩ
470 Ω
power adapter (
, not included)
DocID: 404129_16.02.2017
EN
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