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Re: DQ-10 Impedance

Ed Lindsey All Messages By This Member #5538 开云体育 Samuel and Andy, ? Attached are the system impedance, measured this morning, on two charts, one is highlighted at 60Hz and the other at 120Hz.? As expected there is one impedance rise at the woofer resonant frequency. ??Impedance minima is outside the reproduced arrange at 20Hz.? Overall, the system is nominally an 8 ohm impedance with phase angle between ±30°.? IMHO and experience, aside from the efficiency issues, the DQ-10 is a rather easy load for any 8 ohm rated amplifier. ? Ed ? toggle quoted message Show quoted text From: [email protected] <[email protected]> On Behalf Of Ed Lindsey Sent: Sunday, September 20, 2020 10:38 PM To: [email protected] Subject: Re: [DahlquistSpeakers] DQ-10 Impedance ? No problem.? You'll be able to see it clearly. ? ? ? Sent from my Verizon, Samsung Galaxy smartphone ? ? -------- Original message -------- From: Samuel Crider <dieseldude1@...> Date: 9/20/20 10:18 PM (GMT-07:00) To: [email protected] Subject: Re: [DahlquistSpeakers] DQ-10 Impedance ? Interesting! If possible Ed make a notation of what it is at 60hz and 120hz. ? Thx, DD ? On Sun, Sep 20, 2020, 8:52 PM Ed Lindsey <sealindsey@...> wrote: I'll measure and post the impedance tomorrow, after I measure it.? Because the woofer is a sealed design there will only one rise at bass resonance. ? ? ? Sent from my Verizon, Samsung Galaxy smartphone ? ? -------- Original message -------- From: Andy Heckl <andyheckl@...> Date: 9/20/20 6:21 PM (GMT-07:00) To: [email protected] Subject: [DahlquistSpeakers] DQ-10 Impedance ? I need some advice. The DQ-10 has a published nominal impedance of 8 Ohms. I understand this to be an average number.? Somewhere along the line, I’ve picked up that the actual impedance of the DQ-10 varies greatly. Is this correct?? Can you share your knowledge of impedance measurements of a DQ-10 vs frequency? I’ve attached a stock example from an unknown speaker as an example of what I’m looking for. Please excuse my finger scribbling the word “example”.? Dahlquist DQ-10 Impedance 60Hz.pdf Dahlquist DQ-10 Impedance 60Hz.pdf Dahlquist DQ-10 Impedance 120Hz.pdf Dahlquist DQ-10 Impedance 120Hz.pdf

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#5538

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