Lowell 25LVC-RM Datasheet

Spec No. 1179 | Rev. 04.08.15 | pg. 1/2

Heard Everywhere Since 1947

Rackmount Volume Controls

• Rotary Knob with Adhesive Dial Scale

• 25W, 50W, or 100W power rating

Features

• Precise level adjustment of single or multiple
speaker lines.

• Adhesive dial scale

• Easy-connect phoenix-style plug-in screw termina­tion strips for pre-wire convenience

• Wire capacity to 14-gauge

• Power rating 25W-100W (see chart)

• 3dB step attenuation (two steps of 6dB each be­fore off)

• ETL Listed

• Assembled in the U.S.A.

Includes rotary knob and adhesive
label.

A & E Specifications

The volume control shall be Lowell Model No.
_________ which shall have a power rating of
_______ (25W, 50W, 100W) and attenuation of 3dB
per step with two steps of 6dB each before off. It shall
include a rotary knob and adhesive label with dial
scale. The control shall be ETL Listed.

Optional (order separately)

• Panel No. LVC8P-ID2: Rackmount panel provides

easy installation of multiple volume controls (LVC

PocketID™ window for
paper label strip

Series). The 19" x 2U panel includes a rear lacing
flange for wire management and a clear pocket
window (PocketID) to hold a half-inch paper strip

Optional rackmount panel holds up to 8 volume
controls (order separately)

for labeling the controls. Download a template from
www.lowellmfg.com.

Model No. Summary

Power Switch Switch Attenuation *

Model No. Description Rating Type Type Positions Step / Total Style

25LVC-RM Volume Control 25W Auto-trans Rotary 10-off 3dB / 33dB Adhesive label

50LVC-RM Volume Control 50W Auto-trans Rotary 10-off 3dB / 33dB Adhesive label

100LVC-RM Volume Control 100W Auto-trans Rotary 10-off 3dB / 33dB Adhesive label

* Models have two steps of 6dB each before off

Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2015 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. [phone] | www.lowellmfg.com

IN OUT

Attenuator

(re ar v iew)

IN OUT

Line From

Amplifier

Output To

Speaker(s)

Com (neg.)

Plus (pos.)

Com (neg.)

Plus (pos.)

INPUT

OUTPUT

Full Volume

-3dB

-6dB

-9dB

-12dB

-15dB

-18dB

-21dB

-27dB

-33dB

Off

Speaker Line

(25V, 70V, or 100V)

From amplifier

To speaker(s)

with transformers

Attenuation:

3dB per step, last two steps 6d B

(33dB total)

Heard Everywhere Since 1947

Wiring & Schematic

Spec No. 1179 | Rev. 04.08.15 | pg. 2/2

Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2015 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. [phone] | www.lowellmfg.com