Ultimate Support MC-125 Product Manual Download Page 2

USER INSTRUCTIONS

ASSEMBLY INSTRUCTIONS

STEP 1a - 1b 
Attaching Swivel Casters: 

Put caster into “Lock” 
position (1a). Screw all 
three swivel casters into 
the threaded corners on  
the underside of the base 
(1b). Securely tighten.

STEP 2
Attaching Upright Shaft: 

Thread upright assembly 
securely into the base (2).

3

2

Congratulations  

on your purchase!

STEP 4 
Attaching Boom Extension:

Screw the boom extension  
onto the threaded end of the  
main boom portion of  
the stand (4).

STEP 3 
Attaching Boom:

Thread the boom portion  
of the stand onto the top  
of the upright shaft (3).  
Securely tighten.

1 - Casters:

Unlock to move the stand on the smooth, rolling  
casters. Lock in place (1).

2 - Height Adjustment:

Loosen the upright clutch (2) by turning 
counterclockwise. Adjust to your desired height.  
Tighten the clutch by turning clockwise.

3 - Boom Length Adjustment:

Loosen the clutch (3) by turning counterclockwise.
Adjust to your desired length. Tighten the clutch by 
turning clockwise.

4- Boom Positioning:

The boom has 3-way adjustment: front-to-back,  
up-and-down, and rotationally. Simply loosen the  
control knob (4), make all three adjustments and  
tighten snugly.

5- Counterweight & Boom Extension:

For optimum balance, the boom counterweight  
can be repositioned. Simply unscrew the two halves  
of the counterweight, position along the boom 
portion of the stand and tighten. Set boom extension 
to vertical or hanging straight down (see figure 4, 
page 2). Securely tighten. Attach microphone.

6 - Cable Management:

Easy-to-use cable management clips are 
conveniently located in two places along the boom  
and on the upright portion of the stand. Simply  
press your mic cable into the clip for a clean look.  
Gently pull the cable out to remove.

1a

1b

1

4

4

5

2

2

3

3

6

Threaded
Caster

Wheel
Lock

Caster
with Lock

Upright
Clutch

Boom
Clutch

Boom
Adjustment
Knob

Cable
Management Clip

Counterweight

Threaded
Corner

Threaded
Base

Boom
on Upright

Boom
Extension

Highly Mobile – 

With innovative, 

inline skate-style wheels, the 
MC -125 glides smoothly along 
nearly any flat surface with very 
little effort.

Super Stable Base – 

The MC-125 

offers a large diameter base with 
locking, rollerblade-style wheels 
which provide a low center of 
gravity and extraordinary stability.

Highly Adjustable – 

The long 

boom telescopes from 35” - 61” 
and features a friction -free  
clutch arm extension while the 
MC-125’s height is adjustable 
from 51.5” to 82.75”.

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