The Quam QC10 Series is a single gang, continuous rotary, ten-step audio level attenuator with an OFF position. The finishes vary with the model. Refer to the technical specification. The knobs (except QC10W) are black with white indicators. The QC10W knob has a white, molded indicator.

All variants are UL Listed 813, except the QC10P. Click on the UL Listed Products in the navigation panel to the left to see a complete listing of Quam UL listed products.

The QC100 is a dual gang, continuous rotary ten-step audio level attenuator with an OFF position. The QC101 is a single gang, continuous rotary ten-step audio level attenuator with an OFF position. Formats available are: -P (Priority relay), -RM (Rack Mount) and –W (White finish).

The ERD-8x series is a round, steel loudspeaker back box. The finish is a white baked epoxy hybrid. The back box is intended for indoor and sheltered outdoor applications.

The ERD-8 series is UL listed.

The Quam SYSTEM 5 is a complete loudspeaker assembly, with 8" frame, perforated steel baffle and integral back box in a 12" x 24" format. Transformer options include a 25/70.7V pigtail; 25V/70.7V pigtail with Volume Control; 25V Rotary Select or 70.7V Rotary Select.

One 24" white “T” bar is supplied to finish the edge. The assembly finish is a white or black baked epoxy hybrid. It is intended for indoor and sheltered outdoor applications.

System 5 is a UL listed product.

The Quam SYSTEM 5 is a complete loudspeaker assembly, with 8" frame, perforated steel baffle and integral back box in a 12" x 24" format. Transformer options include a 25/70.7V pigtail; 25V/70.7V pigtail with Volume Control; 25V Rotary Select or 70.7V Rotary Select.

One 24" white “T” bar is supplied to finish the edge. The assembly finish is a white or black baked epoxy hybrid. It is intended for indoor and sheltered outdoor applications.

This product has a nominal impedance of 8 ohms.

System 5 is a UL listed product.

The Quam SYSTEM 12 is a complete loudspeaker assembly, with 8" frame, perforated steel baffle and integral back box; 24" x 24" format. Transformer options include a 25/70.7V pigtail; 25/70.7V pigtail with Volume Control; 25V Rotary Select or a 70.7V Rotary Select.

One 24" white “T” bar is supplied to finish the edge. The assembly finish is a white or black baked epoxy hybrid. It is intended for indoor and sheltered outdoor applications. The assembly finish is a white or black baked epoxy hybrid. It is intended for indoor and sheltered outdoor applications

System 12 is a UL listed product.

The Quam SYSTEM 12 is a complete loudspeaker assembly, with 8" frame, perforated steel baffle and integral back box; 24" x 24" format. Transformer options include a 25/70.7V pigtail; 25/70.7V pigtail with Volume Control; 25V Rotary Select or a 70.7V Rotary Select.

One 24" white “T” bar is supplied to finish the edge. The assembly finish is a white or black baked epoxy hybrid. It is intended for indoor and sheltered outdoor applications. The assembly finish is a white or black baked epoxy hybrid. It is intended for indoor and sheltered outdoor applications.

This product has a nominal impedance of 8 ohms.

System 12 is a UL listed product.

The Quam UL-5 or UL-7 is a UL Listed (1480) loudspeaker assembly, transformer, line supervision capacitor and back box used as a fire alarm signaling device.

The Quam UL-6 or UL-8 is a UL Listed (1480) loudspeaker assembly, transformer, and back box used as a general (non-fire alarm) signaling device.

The finish for UL-5 through UL-8 is a white baked epoxy hybrid.

The Quam UL-10 is a complete sound masking loudspeaker assembly with 8" frame loudspeaker with fire retardant cone, 70.7V transformer, dust-proof perforated steel baffle and 690 CID / 11.1 L bi-metal composite Quiet Steel® back box. The finish is a white baked epoxy hybrid.