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Guillermo Gutierrez
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CTD-8125 Power Sharing Amplifier FAQ
Published April 23rd, 2026 by Guillermo Gutierrez
Brand: Crown Models: CTD-8125 What’s included in the box for the CTD-8125? 1 x CTD-8125 Amplifier. 1 x AC Power Cord. 1 x Quick Start Guide. 8 x Input Connectors (Green). 4 x Output Connectors (Green). 2 x GPI Connectors (Black). 1 x Fault Relay Connector (Black). 2 x Rear Support. 4 x Rear Support Screws Type I M4x6 (Philips). 4 x Rear support Scre
ZonePro Flasher 3
Published March 10th, 2026 by Guillermo Gutierrez
Brand: dbx Models: ZonePro 640/640M ZonePro 641/641M ZonePro 1260/1260M ZonePro 1261/1261M Overview: Installing ZonePro GUI Designer v3.3 automatically installs several utilities, including ZonePRO Flasher 3.This article explains when the flasher is required and how to use it to recover a ZonePro processor. When to use ZonePro Flasher 3 Use ZonePro
ComTech D Series Amplifiers: How to apply Speaker Tunings
Published April 20th, 2026 by Guillermo Gutierrez
Brand: Crown Models: CTD-2125 CTD-4125 CTD-8125 Overview: This amplifier comes preloaded with speaker tunings for many JBL Control Series models and other 70‑volt speakers right out of the box. This article explains how to load the tunings. Instructions: Open the amplifier’s WebUI, then go to the Configuration tab. Accessing the WebUI Under Outpu
How to Change the Speaker Configuration from Bi‑Amp to Tri‑Amp on the AE and PD Series
Published March 12th, 2026 by Guillermo Gutierrez
Brand: JBL Models: AM7315/64 AM7315/95 PD6322/43 PD6322/64 PD6322/66 PD6322/95 Overview: The AM7315/xx and PD6322/xx loudspeakers are configurable for Bi‑Amp or Tri‑Amp operation. The steps below describe how to change the crossover mode from Bi‑Amp to Tri‑Amp. Instructions: Remove the six screws securing the input plate and carefully flip it over.
ZonePro Fuse Replacement
Published April 10th, 2026 by Guillermo Gutierrez
Brand: dbx Models: ZonePro 640/640M ZonePro 641/641M ZonePro 1260/1260M ZonePro 1261/1261M Overview: The fuse on a dbx ZonePro should be replaced if the unit does not power on while connected to a confirmed working power source. When replacing the fuse, it is critical to use the exact same type and rating—T 4A, 250V (high‑breaking capacity)—to prev
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