Electro-Voice TCA-1 User Instructions Download Page 1

TMK Series

Truss Mount Kits

User Instructions

TMK Series

The  Electro-Voice®  TMK  Truss  Mount  Kits  are  acces-
sories that are designed to suspend Electro-Voice loud-
speakers to a truss.  The bracket allows the speaker to 
be rotated in both the horizontal and vertical planes for 
maximum versatility (see Figure 1).  There are different 
suspension kits, depending on the loudspeaker that is 
being suspended, as shown in the table below:

WARNING: Suspending any object is potentially danger-
ous  and  should  only  be  attempted  by  individuals  who 
have a thorough knowledge of the techniques and regula-
tions of rigging objects overhead. Electro-Voice® strongly 
recommends that all speakers be suspended taking into 

account all current national, federal, state and local regu-

lations. It is the responsibility of the installer to ensure that all speak-
ers are safely installed in accordance with all such regulations. When 
speakers  are  suspended,  Electro-Voice®  strongly  recommends  that 
the system be inspected at least once a year. If any sign of weakness 
or damage is detected, remedial action should be taken immediately.  
The user is responsible for making sure that the truss, and any addi-
tional hardware used, is capable of supporting the loudspeaker.  Any 
hardware used to suspend a loudspeaker that is not associated with 
Electro-Voice® is the responsibility of others.

Figure 1:

 Rotating and 

Tilting Features of the 

TMK Series Kits

VSA-1 Vertical

Strong-Arm

Mount

TCA-1

Truss Clamp 

Adaptor

Assembling TCA-1 to VSA-1 (all Speakers)

Remove the short 1/2” bolt and washer from TCA-1.  
The short bolt and washer are not needed for installa-
tion.  Mount the TCA-1 to VSA-1 in the desired horizon-
tal position, using the long 1/2” bolt, flat washer, and 
lockwasher (see Figure 2).

TMK-PX Kit (Part Number KIT000006-001)

Used With: PX1122M, PX1152M, Plasma P1

Includes Model

Part Number

Quantity

TCA-1 Truss Clamp Adaptor

ACC000012-001

1

VSA-1 Vertical Strong-Arm Mount

ACC000007-001

1

TMK-ZX Kit (Part Number KIT000007-001)

Used With: ZX4, ZX5

Includes Model

Part Number

Quantity

TCA-1 Truss Clamp Adaptor

ACC000012-001

1

VSA-1 Vertical Strong-Arm Mount

ACC000007-001

1

HA-5 Handle Mount Adapter

301811-001

1

TMK-ZX3 Kit (Part Number KIT000023-001)

Used With: ZX3

Includes Model

Part Number

Quantity

TCA-1 Truss Clamp Adaptor

ACC000012-001

1

VSA-1 Vertical Strong-Arm Mount

ACC000007-001

1

HA-3 Handle Mount Adapter

ACC000033-001

1

Figure 2:

 Assembling the TCA-1 to the VSA-1

Attachment

Point for all 12”

Loudspeakers

Attachment

Point for all 15”

Loudspeakers

Friction Pad

Lock Washer

Washer

Bolt

Attachment

Point for all 12”

Loudspeakers

Attachment

Point for all 15”

Loudspeakers

Optional Safety

Point for M10

Eyebolt

VSA-1 Handle

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