Peavey SP 1G Specifications

Written by jeremy cato
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Peavey is a global manufacturer of musical equipment, including amps, speakers and other audio supplies. The SP 1G is a powerful loudspeaker designed for use in large crowd settings, like concerts or business conferences. It has a number of features that distinguish it from other Peavey speaker models.

General Description

The dimensions of the Peavey SP 1G loudspeaker are 35 3/4 inches by 19 inches by 20 inches (height by width by depth), with a rear width of 13 inches. It weighs 43.1kg. The speaker enclosure is made of 3/4-inch plywood covered with black carpet and special protective polymer covering on the corners. The speaker features an expanded metal grill.

Other Features

The speaker features a 1505-8 KADT Black Widow woofer, a 44XT compression driver, a CH-7 directivity horn, trapezoidal enclosure design, and an SA-1 stand mount on the bottom of the cabinet. It can be operated using either a full range or bi-amp mode. The full range input has two paralleled 1/4-inch phone jacks; the bi-amp low and bi-amp high each have one paralleled 1/4-inch phone jack. The Peavey company states that the trapezoidal shape of the speaker has several advantages including a clearer sound with less midbass and midrange colouration. The speaker grille also has special features that protect the sensitive low-frequency driver.

Power and Sound Specifications

The speaker has a frequency response between 63 Hz and 19 kHz. The usable low frequency limit, below which the speaker does not function, is 50 Hz. The power handling at full-range is 450 watts continuous, 1800 watts peak. The power handling at bi-amp low is 350 watts continuous and 1400 watts peak; at bi-amp high is 80 watts continuous and 320 watts peak. The maximum sound pressure level at full range is 121 dB continuous, 133 dB peak; at bi-amp low 121 dB continuous, 135 dB peak; at bi-amp high 124 dB continuous, 140 dB peak.


The manufacturer recommends box tuning at a frequency of 56 Hz. The minimum recommended active crossover frequency when used in bi-amp mode is 1200 Hz at 18 dB. The Peavey company also recommends the CS-X1 input/crossover module for use with this speaker.

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