Summit Audio TD-100 Instrument Preamplifier and D.I. - Manual (Page 4)

Front Panel
4 Summit Audio, Inc.
Loading Control
This knob controls the loading or impedance for the instru-
ment input. The impedance can be set from 10K ohms to
2M ohms.
You can set this control to match the TD-100 to the imped-
ance of your instrument or as a kind of tone control. In prac-
tical use you’ll set this control to get the sound you like best.
Signal LED
This green LED lights to indicate a proper level at the input.
Drive LED
This amber LED lights to indicate clipping on the input.
Output Gain Control
This control varies the output gain. The XLR output can be
varied from -20dB to +4dB. The 1/4” TRS output can be
varied from 0dB to +24dB.
(0dB input level)
Power
This switch toggles AC power on and off.
Important - Please Read!
The TD-100 contains a vacuum tube which
generates heat.
Do not block the cooling holes on the top of the
TD-100 and always allow adequate ventilation when
mounting the unit in a rack enclosure.