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The mf-104m back panel – Moog Music MF-104M Analog Delay User Manual

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FEEDBACK - 1⁄4” TRS jack that can be used with a Moog EP-2 expression
pedal, or a 0V to +5V control voltage on a standard TS cable. A setting of
0 volts or ground allows for no feedback while a 5V setting gives infinite
feedback. To change the feedback amount from zero to infinite via control
voltage or expression pedal, set the

FEEDBACK control to 12:00 position.

TIME - 1⁄4” TRS jack that can be used with a Moog EP-2 expression pedal,
or a 0V to +5V control voltage on a standard TS cable. To change the

DE-

LAY TIME for a selected range from longest to shortest via control voltage
or expression pedal, set the

DELAY TIME control to 12:00 position.

LFO RATE - 1⁄4” TRS jack that can be used with a Moog EP-2 expression
pedal, or a 0V to +5V control voltage on a standard TS cable.

To use an expression pedal to modify the LFO Rate (0.05 Hz to 50 Hz) set
the

LFO RATE to 12:00 position. Rotate the LFO RATE knob counterclock-

wise. With a 0V control voltage applied to the LFO Rate CV input, the LFO
Rate can be reduced to half of the minimum panel rate. (.025 Hz) Now
rotate the

LFO RATE control fully Clockwise. With a +5V control voltage

applied to the LFO Rate CV input, the LFO Rate can be increased to double
the maximum panel rate. (100 Hz)

LFO AMOUNT - 1⁄4” TRS jack that can be used with a Moog EP-2 expres-
sion pedal, or a 0V to +5V control voltage on a standard TS cable. To
modify the

LFO AMOUNT from minimum to maximum via control voltage

or expression pedal, set the

LFO AMOUNT control to 12:00 position.

MIX - 1⁄4” TRS jack that can be used with a Moog EP-2 expression pedal,
or a 0V to +5V control voltage on a standard TS cable. To change the Mix
from dry to wet via control voltage or expression pedal set the

MIX control

to 12:00 position.

MIDI IN - Standard 5-pin DIN for receiving MIDI messages from another
MIDI device such as a MIDI controller or a sequencer. Refer to the MIDI sec-
tion of this manual for use of the Analog Delay with other MIDI devices.

POWER - For connecting to the supplied power adapter.

Note: Use only the

proper power supply to avoid damage to the device. Make sure your power supply has
the correct Input voltage specifications for your country:

• 120VAC/60 Hz for the US and Canada
• 230VAC/ 50 Hz for Europe and South America

The output of the adapter is +9VDC and the adapter should be capable of
supplying a minimum of 400mA. The +9VDC is applied to the tip (center)
of a barrel connector plug w/ 5.5mm outer diameter and 2.1mm inner
diameter. The barrel (outside) of the plug is the ground (-).

TIME INDICATOR LED - Flashes red to indicate the delay time. It will flash
green to indicate that it is synced to Tap Tempo and orange when it is con-
trolled by MIDI.

THE MF-104M BACK PANEL

This section provides greater detail of the connection points on the MF-
104M back panel.

AUDIO IN

FEEDBACK

TIME

LFO RATE

MIX

MIX OUT

DELAY OUT

FB INSERT

LFO AMT

MIDI IN

+9V

400 mA

AUDIO IN - This 1⁄4” jack provides high impedance, unbalanced audio in-
put. The Analog Delay accepts signals ranging from instrument to line level.

MIX OUT - This 1⁄4” jack provides an unbalanced audio output. When the
effect is on, this output carries the dry and wet signal blend set on the
front panel

MIX control. The level is determined by the DRIVE and OUTPUT

level controls. When the effect is off, the input signal passes only through
a high-quality buffer on its way to the output.

DELAY OUT - This 1⁄4” jack provides an unbalanced audio output. This is a
wet-only output, in phase with the

MIX output. The level is affected by the

OUTPUT LEVEL knob but not the MIX knob. This output can be used as a
second output in

STEREO applications or as a feed for phasing effects.

FEEDBACK (FB) INSERT - This 1⁄4” TRS jack is designed to be used with a
standard insert cable to process the BBD feedback signal path separately
from the dry signal path. This is an unbalanced, line level output and input.
The BBD output signal appears at the tip of the jack, and the return to the
device is applied to the ring of the jack.

Because these are line level signals, some means of attenuation or ampli-
fication may be required if using devices designed for lower signal levels,
such as typical guitar stomp boxes.

Note: Unlike the classic MF-104SD and MF-104Z, the FEEDBACK insert is placed
before the first delay in the feedback.