Rane TTM 52i User Manual
OPERATORS MANUAL
Quick Start
Rane would like to thank you for selecting the
TTM 52i Performance Mixer. The TTM 52i is one
of the top performance mixers available. It features the same high quality components, reliability and performance as the Rane TTM 54i mixer
with a reduced feature set (see the comparison
chart on the last page of the Data Sheet, contained
in this manual.) For experienced turntablists, the
operation of the TTM 52i will be very familiar,
however, the TTM 52i has some unique features.
These new features will be mastered more quickly
if you read the entire manual. Right! We know
some of you can’t resist jumping right in, so please
read at least this portion of the manual. It will help
you get a good start and learn how to properly care
for your faders.
TTM 52i
MOJO PERFORMANCE MIXER
• GAIN TRIM: These controls are intended to
set the signal level before the Crossfader. Always set the GAIN TRIM controls to indicate an average signal level of +4
on the meter with the Program Faders set to maximum. Never use the GAIN TRIM controls to set the output level.
Always use the MASTER LEVEL control to set the output level. This is a very simple thing, yet makes a huge difference
in the performance of your mixer.
• PHONES: The headphone output of the TTM 52i is a high power output stage (unlike most you have used before). There
are some notable differences…
• The headphone output of the TTM 52i delivers very high volume into your headphones.
• To avoid pain, never put headphones on your head and then plug them in.
• Always start with the PHONES LEVEL turned down and then turn it up to the desired level.
• Because of the high current and low output impedance, never short one side to ground or short left and right
together as is possible with mono cup headphones. Note: Low power headphone stages typically use large
resistors on their outputs, which allow shorting, but prevent high power. The TTM 52i gives you high power
but does not allow shorting.
• MIC LEVEL: For best performance, keep this control at 0 when not in use.
• For instructions on rotating Phono/Line switches to the desired location, see page Manual-6.
• Do not spray cleaner or lubricant into the front of the Program Faders or Crossfader. The fluid will just run out the
bottom of the unit. Never use unapproved cleaner or lubricants such as skateboard wheel lube, as corrosive damage may
result, voiding the warranty. See page Manual-6 for cleaning and replacement instructions and cleaner recommendations.
• Never connect anything except an RS 1 Rane AC power supply to the thing that looks like a telephone jack on the rear.
This is an 18 VAC center-tapped power unit. Consult the Rane factory for replacement or substitution.
• WEAR PARTS: This product contains the following wear parts subject to the ninety (90) day warranty period described
on page Warranty-1: FT 45 Active Crossfader & Channel Fader Assembly(3); ST 2 Phono/Line Switch Assembly (2).
Manual-1
AMPL(dBu)
AUDIO PRECI SION AMP-FREQ vs 04 NOV 98 0 8:11:55
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Figure 1. Bass & Treble Controls
PGM 1 and PGM 2 input GAIN TRIM controls are used to adjust input level. With the Program Faders (see ) at
maximum, set controls to give a peak reading of +4 on the meter. Set the Master Level to minimum while adjusting). It is
always best to run the input level at +4 to +7. Use the MASTER LEVEL (see ) control to adjust the volume at the
MASTER OUT (see ).
BASS and TREBLE controls provide ±12 dB of EQ for PGM 1 and PGM 2 . The graph shown in
Figure 1 indicates the response of the filters.
BALANCE controls are used for LEFT/RIGHT balance of PGM 1 and PGM 2 or for LEFT/RIGHT Pan effect. Push the
control to the left and sound moves to the left channel. Push the control to the right and sound moves to the right channel.
PHONO / LINE source select switches are provided for PGM 1 and PGM 2 . These are “clickless” switches suitable for
“transform scratch” applications. The switches are field replaceable and may be rotated in 45° increments. See Figure 4 on
page Manual-6 for rotation and replacement instructions.
HAMSTER switches are provided for PGM 1 and PGM 2 Program Faders. These switches reverse the operation of the
adjacent Program Fader . When engaged, signal is off with the Program Fader up, and maximum with the Program Fader
down.
Program Fader controls for PGM 1 and PGM 2 are ultra low noise, long-life, monorail devices. An ActiveFader™ design
completely isolates the control element from the audio, providing the highest reliability and performance. See page
Manual-6 for cleaning and replacement instructions.
Manual-2
PGM 1 and PGM 2 Meters provide true L+R Dual Mono
indication of Post-Program Fader signal levels. Ten segment
resolution is provided with a one second peak hold indication.
With the Program Fader set to maximum, the input GAIN
TRIM should be set to indicate an average level of about +4.
Crossfader control is implemented using Ranes’ proprietary
ActiveFader™ design. As with the Program Faders, all audio
is isolated from the control element, greatly extending the life
and performance of the control. See page Manual-6 for cleaning
and replacement instructions
CROSSFADER CONTOUR control allows adjusting the
“shape” of the Crossfader response from a gentle curve for
smooth, long running fades, to the steep pitch required for top
performance cut and scratch effects shown in Figure 3.
CROSSFADER HAMSTER control allows reversing the
operation of the Crossfader. With the combination of
ActiveFader™, CONTOUR control, and HAMSTER control,
the TTM 52i provides a level of flexibility and performance
previously unavailable.
PHONES LEVEL control adjusts the loudness of the Headphone output signal. Always start with the LEVEL at minimum
(CCW) and increase to a comfortable level with signal present and your headphones on. This prevents tossing them across
the room after you put them on and plug in with the level set too high. The TTM 52i Headphone Amplifier delivers very
high sound pressure levels (SPL) into most headphone loads. Because of the high current and low output impedance, never
short one side to ground or short left and right together as is possible with mono cup headphones. Note: Low power head-
phone stages typically use large resistors on their outputs, which allow shorting, but prevent high power. The TTM 52i
gives you high power but does not allow shorting.
Figure 3. Crossfader Contour control
MASTER / CUE switch is used to select the HEADPHONES monitor source:
• Use MASTER to rehearse your performance. This signal is the same as that at the MASTER OUT, but is not
affected by the MASTER LEVEL control.
• Use CUE to monitor the Program Input signal, so you can “Cue” a signal before fading in. This signal is not
affected by the Program Faders or Crossfader.
PHONES PAN control is only active when CUE is selected. This control allows you to PAN between Program 1 or
Program 2.
Manual-3
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