Can anyone help me with this please. In the video is my G80 with a rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you. IMG_4667.MOV <https://drive.google.com/file/d/1N1Wo3b6o0sPdx98nQ8GGDPYtfcbPlPp-/view?usp=drive_web>
On Sat, Aug 09, 2025 at 08:27:23PM -0400, Jamie McElroy via Jukebox-list wrote:
Can anyone help me with this please. In the video is my G80 with a rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you. IMG_4667.MOV <https://drive.google.com/file/d/1N1Wo3b6o0sPdx98nQ8GGDPYtfcbPlPp-/view?usp=drive_web>
I assume this cable / cartrige set is removed from another juke (the F80 mentioned in the subject) and you're trying it on the G80 to see what's wrong? I'm just guessing, but the GE cart might require the grounded metal tone arm on the top side to complete the shielding, you could try adding a grounded piece of foil as a substitute and see if it makes a difference. Or, maybe the shell needs to be grounded and that's not happening out of the tone arm. Do you get the same buzz when plugged into something else, e.g. a stereo receiver's phono pre-amp? It could also be a problem in the cable. Can you sub the cart in place of the one without hum in the G80 and see if it follows the cart? Just thoughts... --> Steve Wahl -- Steve Wahl steve@5wahls.com
The ge stylus is garbage. On Mon, Aug 18, 2025, 4:22 PM Steve Wahl via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
On Sat, Aug 09, 2025 at 08:27:23PM -0400, Jamie McElroy via Jukebox-list wrote:
Can anyone help me with this please. In the video is my G80 with a rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you. IMG_4667.MOV < https://drive.google.com/file/d/1N1Wo3b6o0sPdx98nQ8GGDPYtfcbPlPp-/view?usp=d...
I assume this cable / cartrige set is removed from another juke (the F80 mentioned in the subject) and you're trying it on the G80 to see what's wrong?
I'm just guessing, but the GE cart might require the grounded metal tone arm on the top side to complete the shielding, you could try adding a grounded piece of foil as a substitute and see if it makes a difference. Or, maybe the shell needs to be grounded and that's not happening out of the tone arm. Do you get the same buzz when plugged into something else, e.g. a stereo receiver's phono pre-amp? It could also be a problem in the cable.
Can you sub the cart in place of the one without hum in the G80 and see if it follows the cart?
Just thoughts...
--> Steve Wahl
-- Steve Wahl steve@5wahls.com
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On Sat, Aug 09, 2025 at 08:27:23PM -0400, Jamie McElroy via Jukebox-list wrote:> Can anyone help me with this please. In the video is my G80 with a
rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you.
I gave this same answer to your post on Facebook: It looks like the cable connected to the GE cartridge is a simple patch cord, not a shielded pickup cord.
Thank you. I appreciate it. On Mon, Aug 18, 2025 at 6:35 PM David Breneman via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
On Sat, Aug 09, 2025 at 08:27:23PM -0400, Jamie McElroy via Jukebox-list wrote:> Can anyone help me with this please. In the video is my G80 with a
rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you.
I gave this same answer to your post on Facebook: It looks like the cable connected to the GE cartridge is a simple patch cord, not a shielded pickup cord.
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On Mon, Aug 18, 2025 at 10:35:12PM +0000, David Breneman via Jukebox-list wrote:
On Sat, Aug 09, 2025 at 08:27:23PM -0400, Jamie McElroy via Jukebox-list wrote:> Can anyone help me with this please. In the video is my G80 with a
rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you.
I gave this same answer to your post on Facebook: It looks like the cable connected to the GE cartridge is a simple patch cord, not a shielded pickup cord.
Ah, yes, David has better eyes than I did on this. Proper shielding and grounding is very important with the wiring for phono cartridges, especially for magnetic cartridges, which the GE is! --> Steve -- Steve Wahl steve@5wahls.com
On 8/9/2025 8:27 PM, Jamie McElroy via Jukebox-list wrote:
Can anyone help me with this please. In the video is my G80 with a rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you. IMG_4667.MOV <https://drive.google.com/file/d/1N1Wo3b6o0sPdx98nQ8GGDPYtfcbPlPp-/view?usp=drive_web>
Swap the cartridge into the tone arm and see if it hums. -- Tony Miklos Tony's Jukebox Repair
Thank you all for your help. On Mon, Aug 18, 2025 at 7:55 PM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
On 8/9/2025 8:27 PM, Jamie McElroy via Jukebox-list wrote:
Can anyone help me with this please. In the video is my G80 with a rebuilt amplifier. It plays beautifully. However, the other cartridge a when plugged into the amplifier makes a continuous humming noise. It will play fine but still hums. I cannot figure out why it continues to do this. Can you please help with this question. Thank you. IMG_4667.MOV < https://drive.google.com/file/d/1N1Wo3b6o0sPdx98nQ8GGDPYtfcbPlPp-/view?usp=d...
Swap the cartridge into the tone arm and see if it hums. -- Tony Miklos Tony's Jukebox Repair
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participants (5)
-
David Breneman -
Ed Liss -
Jamie McElroy -
Steve Wahl -
Tony Miklos