User manual

1 [TUNER OUT] | 1/4" phone socket for the permanent connection of a tuner
2 [POWER / 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] | control for boosting / attenuating the bass
4 [LO MID] | control for boosting / attenuating the lower mids
5 [HI MID] | control for boosting / attenuating the upper mids
6 [TREBLE] | control for boosting / attenuating the treble
7 [D.I.] | balanced DI output with MIC level for connection to a mixer, XLR panel plug, 3-pin
8 [LIFT/GND] | this switch disconnects or connects the ground potential of the DI output and the device ground. In [LIFT] posi‐
tion (released), the device ground is disconnected. This can possibly eliminate noise caused by ground loops, that may
occur when connecting the device to other grounded equipment. In [GND] position (pressed), the device ground is con‐
nected.
9 [PRE / POST] | this switch determines where the DI signal is tapped. In [PRE] position, the signal is tapped before tone control
and compressor, in [POST] position behind.
10
| 3.5 mm jack socket to connect head phones
11
| 3.5 mm jack socket for connecting a line level player, e.g. MP3 player or mobile phone
12
[LINE IN] | volume control for the input
13 [MASTER] | overall volume control
14 [ON / OFF] | on / o switch for the compressor function
Connections and operating elements
Block-800B
15
Bass Head