Playing with a 4. Me again with one of my quarterly vintage audio posts. I snagged this big guy a few months ago. UltraQuiet 120mm fans. So no one else is having this trouble That would be bad. The issue is mainly in Word and Live Messengerkeys repeat uncontrollably, and randomly. Me again with one of my quarterly vintage audio posts. I snagged this big guy a few months ago. This is a 41 year old Dahlquist subwoofer Indeed, subwoofers did. Logitech Gaming Software 8.46' title='Logitech Gaming Software 8.46' />This is a 4. Dahlquist subwoofer Indeed, subwoofers did exist back in 1. Makes me wonder just what kind of a life this old beast had back in the day. Was it installed in a theater, delivering that seat shaking rumble during the mother ship scene in Close Encounters Or was it pumping out dance classics such as the Sleeping Lions Sound of My Heart at a discotheque Unfortunately, Ill never know. I had this bad boy on my workbench fully expecting the driver to need a refoam, but to my amazement it was still in very good shape. Speaking of the driver, its a downright massive 1. By the way, this is a passive subwoofer, as most were before the late 1. I/41AlGDQNcoL._SL500_AC_SS350_.jpg' alt='Logitech Gaming Software 8.46' title='Logitech Gaming Software 8.46' />To power a subwoofer like this, youd need an external subwoofer amplifier or a passive crossover module hooked up to your main amp. As I didnt have a subwoofer amp, I used the latter. Casas Vistas De San Juan Privadas De Santiago more. Now, a stiff 1. 3 driver requires serious amounts of power. I tested the subwoofer passive crossover module with three different amplifiers a 1. Sony Pro Logic AV receiver typical home theater product of the 9. Marantz SR5. 00. 8 home theater receiver from 2. Denons flagship AVR X7. WA. In each test, the crossover module was hooked up to the receivers front LR speaker outputs, and the receivers were configured to output full range audio. I set the passive crossover module to 6. Hz. The results from the first two receivers didnt exactly inspire confidence. The old Sony stereo receiver was easily driven to distortion with the subwoofer and crossover wired in. While it never went into protected mode, I feared that running it too long would cause the amp ICs to go up in flames. The Marantz SR5. 00. AVR, fared a bit better. I was able to get some decent volume out of the system, although listening at high volumes 1. Let me guess. youre looking for some hot Amazon products to make money from Well weve made it easy for you with these 76 hot sellers. Just click here. Should I remove ZTE Handset USB Driver by ZTE The ZTE Handset USB Driver comes with various handset models and provides a utility and device drivers used to connect. Hey Toms, every time I boot my PC now, Windows visual transitions screen fades, maximizingminimizing, openingclosing windows, etc go at like 14 speed. Its. Finally, I hooked the subwoofer to my Denon X7. WA, a much heavier unit with a far more robust power supply and amp section. As expected, this receiver had no problem handling the additional load. I spent a couple hours listening to music as loud as my ears could handle without any signs of trouble. However, I did notice that the Denons two internal fans were running. Those fans never run when an active subwoofer is used This old skool subwoofer delivered an impressively tight and deliciously powerful low end. As most acoustic suspension designs are, this is a very musical subwoofer. I played a few tracks from Hiromi Ueharas Move and was very pleased with how nimble the speaker was, especially in the 5. Hz region. You may be wondering how an old, sealed passive subwoofer handles the ultra low frequencies found in many action movies. The answer is surprisingly well, for what it is. The train derailment scene in Super 8 had my sofa shaking, although the subwoofers response dropped off significantly below 3. Hz. As expected, my duo of SVS PC1. Plus active subwoofers easily outperformed the old passive unit, effortlessly sending gobs of pant leg flapping energy throughout the entire room. TL DR Perhaps one of the original home subwoofers, this passive unit still holds up well and is actually more musically adept than many of the active subs youd see at Big Electronics Stores. Its not exactly friendly with entry to mid level receivers, as it draws so much current that most cheap receivers simply overheat andor go into protected mode.