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Zone 1 and Zone 2 operation
The Relentless Preamplifier is a two-source/two-zone preamplifier. This means that two different
sources can play simultaneously. The Relentless Preamplifier defaults to Zone 1 operation when the
unit is powered up from standby. The active input will only play in Zone 1.
Zone 1 and Zone 2 system example: In this system example, the Momentum Phonostage is the
source for Zone 1 with the Relentless Amplifiers powering the Zone 1 loudspeakers. Simultaneously,
a streaming source is the Zone 2 source using the Optional Digital Streaming Module with the
Momentum M400 amplifiers powering the Zone 2 loudspeakers.
To play the same source in Zone 1 and Zone 2 simultaneously: Press the Zone 2 button and press
the same input button that is active for Zone 1. The top chassis volume control functions as the
Zone 1 volume control and the meter illumination remains green. The bottom chassis volume control
now functions as the Zone 2 volume control and the meter is illuminated in a lighter green.
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To play a different source in Zone 1 and Zone 2: Press the Zone 2 button and press a different input
button for Zone 2. The Zone 2 input button will be green. The top chassis volume control functions
as the Zone 1 volume control and the meter illumination remains green. The bottom chassis volume
control now functions as the Zone 2 volume control and the meter is illuminated in a lighter green.
To return to Zone 1 playback only, press the Zone 2 button until the bottom chassis illumination
returns to the same lighter green as in the top audio chassis. This will cancel the Zone 2 operation.
Volume: The Relentless Preamplifier features volume controls on both audio chassis. Either volume
control may be used to adjust Zone 1 volume. They are synchronized and the needles will move
together when either control is used. Turn the ring around the volume indicator clockwise to raise
the volume and counterclockwise to lower it. The needle indicators will move toward the right as
you increase the volume and to the left as you decrease it. For more precise volume indication, the
Relentless Preamplifier includes a numeric volume in the middle of the power supply chassis. This
display defaults to illuminated but may turned off from the remote control. The Relentless Preamplifier
reverts to volume setting zero when returned to the standby mode or when changing inputs.
Source selection: Push the front-panel button that corresponds to the desired source. The LED in the
middle of the front-panel button (red for Zone 1, green for Zone 2) for the active source will illuminate.
Theater Bypass: Input Three can be set for use as a Theater Bypass input. This feature makes it easy
to include the Relentless Preamplifier in a multichannel home theater audio system. To set Input Three
for this operation, press and hold the Input Three button until the numeric display briefly flashes 75.
To use this feature, connect the left- and right-channel outputs of the surround-sound processor to
the Relentless Preamplifier's Input Three. When listening/viewing a home theater source, select Input
Three. In this mode, the Relentless Preamplifier's volume control is bypassed and volume control for
the Zone 1 left and right speakers is controlled by the connected surround-sound processor. To return
Input Three to a standard input, press and hold the Input Three button until the numeric display
flashes 00.
Note: When Input Three is set for Theater Bypass, this input cannot be selected for Zone 2 operation.
Remote Control operation
The Relentless Preamplifier Bluetooth® remote control is bidirectional and uses touch pad technology
to operate the preamplifier. All front panel operations except activating the Theater Bypass mode are
duplicated on the remote control. The remote control also has additional features detailed below.
The preamplifier will automatically pair with the remote control after the initial powering up of the
preamplifier. There are no additional steps required. A timer returns the remote control to its sleep
mode after one minute of inactivity.
Internal rechargeable batteries power the remote control. To charge the battery, place the remote
control on the included wireless charging pad.
A combination menu and direct buttons guide the operation of the remote control.
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