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Here is a diagram showing resistor and woofer connections You are looking for R1a and b and the green and white wires. On the far

The sub harmonic synth may have damaged the woofer by causing it to try to reproduce frequencies below what it is capable of. It could be a bent or misshaped voice coil or maybe the surround has torn

Thanks for the suggestion. ?I will try.

Thank you for the offer. ?I will first try the suggested 180 rotation.

Woofer rotation solved my similar?problem with a Bozak B302a.? So certainly good advice.? I have DQ-20 too and never had to rotate but Bozak was probably ten years older? Sent from the all new

If you need an original woofer with new surround, DM me [email protected]> wrote:

Just a thought… Unscrew the woofer, rotate it 180 degrees and reinstall. These are old drivers and if you have some sag in the woofer this might resolve it. It costs nothing to test it.

Many of us have original spares. It would not take much to get your hands on one.Sent from my Verizon, Samsung Galaxy smartphone

I've been experimenting and adding a few dbx components in order to improve dynamic range of cassette and vinyl playback.? Component include sub-harmonic synth (120X-DS and Dynamic Range Expander

One56Way was Jon’s next door neighbor. I was able to hunt her down from a msg she posted on a forum. Finally found her through Etsy. She also owns or runs a Gentleman’s club on Long Island I

Thanks for this information. My first exposure to the 10's was in high school and I saved every nickel to buy a pair. Many years pass....but when I heard about the back story of Jon it stuck with me.

Thanks for this information. My first exposure to the 10's was in high school and I saved every nickel to buy a pair. Many years pass....but when I heard about the back story of Jon it stuck with me.

How about Carl M? [email protected]> wrote:

Here’s the eBay messages from April: A quick story I love to tell... When I purchased my dental practice in 1998, one day Jon was in the schedule for a cleaning. The staff pulled me aside and warned

The listing was on EBay. I did not bid on it. I don’t know if it’s in messages. I have the Grado engineers number saved from ten years ago. I’ll check my messages. They were maybe 450 dollars or

Pete, I have communicated with the Woman called ?One56way in the above mentioned thread. She confirmed that Jon was still alive. This was some time ago- Sept 2022. She said : Message: ”Sorry I

Jon has been discussed on Audio Karma in the last 5 years or so, IIRC he was living on LI at that time. See post #5 and

Well I ended getting the Alon IV.? Arranging shipment.? Now I have to see if I'm going to use the old mc2500 to run them or look for a different amp.? I'll listen to them with what I have now which

Hi, ?I have owned 10's, 20's and now have the Alon IV Mark 2's. They are fantastic speakers with no need for a subwoofer in my application. Carl was in on the design of the Dahlquists, and the Alons

OK, now I'm really interested. Not in the speakers but the Jon update. I spent many hours trying to track him down years ago with no luck. Pretty certain I found his sister and sent an old-fashioned