1
[INPUT]
| preamp volume control. If the
[ CLIP]
LED lights up red, this control must be turned counter-clockwise until
the LED turns green again. If some EQ band levels have subsequently been raised, re-adjusting the
[INPUT]
control
may be necessary.
2
[CLIP]
| The LED lights up green when the device is turned on. It lights up red when the signal is clipping. Then turn
the
[INPUT]
control counter-clockwise until the LED turns green again.
3
[BASS]
/
[LO MID]
/
[MIDDLE]
/
[HI MID]
/
[TREBLE]
| control for boosting or attenuating the bass / lower mids / mids /
upper mids / treble
4
[OUTPUT]
| overall volume control
5
| 3.5 mm jack output to connect head phones
6
| 3.5 mm jack input for connecting a line level player, e.g. MP3 player or mobile phone
7
[LINE]
| volume control for the input
8
[EQ]
| enables or disables the EQ. Slider control is only possible if the EQ is enabled.
9
[HI / LOW]
| switch for the sensitivity and impedance of the
[IN]
input. When using passive instruments, this switch
should be in the
[HI]
position, otherwise the input level will not be sufficient to fully drive the amplifier. When using
active instruments, this switch should be in the
[LOW]
position, otherwise clipping and thus a pre-stage overload can
easily occur, resulting in very disturbing-sounding distortions.
10
[IN]
| 1/4" jack socket to connect an electric bass
Connections and operating elements
Block-300B
15
Bass Head
Summary of Contents for Block-300B
Page 1: ...Block 300B Bass Head User Manual...
Page 4: ...4 Block 300B Bass Head...
Page 25: ...Notes Block 300B 25 Bass Head...
Page 26: ...Notes 26 Block 300B Bass Head...
Page 27: ......
Page 28: ...Musikhaus Thomann Hans Thomann Stra e 1 96138 Burgebrach Germany www thomann de...