AT100 - Controller Atlas Sound - Free user manual and instructions

Product Type	Controller / Attenuator
Brand	Atlas Sound
Model	AT100
Dimensions (A x B x C)	2 1/2" (64 mm) x 2 3/4" (70 mm) x 1 3/4" (45 mm)
Max Wire Size	2-16 AWG stranded per terminal
Installation Orientation	Terminal block on top; OFF position at bottom
Priority Models	-PA models include relay for priority switching (SPDT, 2A rating)
Rack Mount Models	-RM models supplied without faceplate; requires drilling and mounting with provided template
Wiring Requirements (PA)	1 pair for audio, 1 pair for relay
Standard Faceplate	Single gang included; double gang stainless steel available separately
Maintenance	Keep clean with dry cloth; do not use solvents
Safety	Install in a dry location; disconnect power before wiring
Spare Parts	Knob, nut, and faceplate available as spare parts
Repairability	Modular design; replaceable attenuator element
Usage	For 70V/100V distributed audio systems or low-impedance speakers

Frequently Asked Questions - AT100 Atlas Sound

What is the power handling capacity of the AT100?

How do I wire the AT100 for priority (PA) operation?

Can I use the AT100 with 70V systems?

How do I mount the AT100 in a rack?

What is the maximum wire gauge for the terminals?

Does the AT100 come with a faceplate?

How do I ensure the OFF position is correct?

Can I use the AT100 in outdoor locations?

What is the relay rating for PA models?

How do I clean the AT100?

USER MANUAL AT100 Atlas Sound

Attenuator Installations

Wiring

Each terminal will hold up to 2-16AWG stranded wire. For larger wires or home run situations, a small length of wire and a wire nut are recommended. Attach wire according to label on terminal block as shown to the right (Non-PA Models will not have the "VDC+" and "VDC-" terminals).

*Install the unit with the terminal block on top. This will ensure that the OFF position is in the bottom.

(-PA) PRIORITY ATTENUATORS

Schematics for Priority Attenuators Power Switching Req. for -PA Attenuators

graph TD
    A["TO AMP OUTPUT"] --> B["RED"]
    C["TO RELAY POWER"] --> D["ATTENUATOR"]
    E["WHITE"] --> D
    F["BLUE"] --> D
    G["GREEN"] --> H["Speaker"]
    style A fill:#f9f,stroke:#333
    style C fill:#f9f,stroke:#333
    style E fill:#f9f,stroke:#333
    style F fill:#f9f,stroke:#333
    style G fill:#ccf,stroke:#333
    style H fill:#ccf,stroke:#333

WIRING REQUIREMENTS: (1) PAIR FOR AUDIO, (1) PAIR FOR RELAY

Contacts: SPDT-2Amp Rating
Relay has a protective cover.

(-RM) Rack Mount

Drill holes in panel using the template to the right. Peel off adhesive backing on escutcheon overlay. Align hole openings with holes in panel and affix to surface. Remove knob and nut from attenuator. Insert bushing through large hole in panel making sure that the small indentation on the bracket lines up with the small hole in the panel. Fasten attenuator to panel with the nut. Fit attenuator knob on shaft. Tighten screw on knob to secure.

Technical line drawing of a mechanical assembly with a control knob and housing (no text or symbols)

Dimensional Specifications

-RM Models supplied without a faceplate. All other models supplied with a single faceplate. Double gang stainless steel faceplate can be ordered separately.

MODEL	A	B	C
AT10	2	18 " (54mm)		234 " (70mm)	134 " (45mm)
AT35	2	18 " (54mm)		234 " (70mm)	134 " (45mm)
AT100	2	12 " (64mm)		234 " (70mm)	134 " (45mm)