Pyramid Car Audio & Video - Recent Questions, Troubleshooting & Support


Most of Pyramid's supplies are based on the LM723 voltage regulator. The DATASHEET should tell you most of what you'll need to know to repair it. THIS is the schematic diagram.

If the output voltage drives the voltmeter to the end of the scale, it likely has one or more shorted power transistors.

Pyramid - PS21KX... • Answered on Apr 29, 2021


red - power
Black - Ground
Blue/Black - rear Left Speaker Positive
Blue - Rear Left Speaker Neg
White/ Black - Front Left Speaker Positive
White - Front Left Speaker Neg
Brown/Black - Rear Right Speaker Positive
Brown - Rear Right Speaker Neg
Yellow/Black - Front Right Speaker Positive
Yellow - Front Right Speaker neg
Green - Left Input Positive
Green/White Left input Neg
Gray Right Input Positive
Gray/White - Right input Neg

Pyramid 903G... • Answered on Jan 08, 2020


Over 10 year old messages on a another board referred to expired web sites that are no longer operating. I saw a reference to the following web site: http://www.canvaslove.co.uk/pyramid-awning-instructions

Pyramid Car... • Answered on Jul 22, 2019


Eqs usually have no fan or poor vent design.

Pyramid Car... • Answered on Sep 13, 2018


Click on MANUAL DOWNLOAD LOOK PAGE 4 INTO THE PDF FILE!!!! http://www.pyramidcaraudio.com/sku/903G/10-Band-Half-Din-Power-Booster-Graphic-Equalizer-Amplifier-200-Watts#

Pyramid 903G... • Answered on Mar 15, 2018


You're getting 240 volts from a pyramid amp? Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid - PS21KX... • Answered on Feb 10, 2018


Well...Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid (Swr14)... • Answered on Feb 10, 2018


Did you say "huck" up the wires? Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid Car... • Answered on Feb 10, 2018


How to huck up? Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid Car... • Answered on Feb 10, 2018


OK. Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid 403G... • Answered on Feb 10, 2018


Me either. Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid Car... • Answered on Feb 10, 2018


Those elusive manuals... Recommend contacting a local car audio professional or Pyramid customer support directly here: http://www.pyramidcaraudio.com/ContactUs.aspx helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_11.png

Pyramid Car... • Answered on Feb 10, 2018

Not finding what you are looking for?
Pyramid Logo

281 questions posted

Ask a Question

Usually answered in minutes!

Top Pyramid Car Audio & Video Experts

Steve Sweetleaf
Steve Sweetleaf

Level 3 Expert

1189 Answers

xxxxxx xxx

Level 3 Expert

5023 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

14874 Answers

Are you a Pyramid Car Audio and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...