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VoltMan
If you don’t have a grounding wire, do something to make one. You should have a ground between the receiver and the turntable. Sorry, I’m a bit sporadic. I’m driving at the moment hehe.
VoltMan
Something like that. It’s probably overkill. But I like the fact that it has solid state versus switches which can get dirty and noisy.
VoltMan
2/2 update ….The Denon has the ability to turn off the equalizer. It’s in the instruction manual, but I don’t know where the SWITCH is as I don’t have physical access to a turntable like that. You might have to remove the platter and poke around a lot to find it. But in any case, that seems to be the issue, as by default, it is turned on.
J
joshualizer
That’s crazy thanks! So it’s a separate switch from the pre amp switch on the Denon? I do know where that is it’s under the platter. But I wasn’t sure if you can disengage the eq separately from the pre.
VoltMan
1/2 update - Look in the manual for the Denon, there is an equalizer switch that you need to turn off, and then you can use it with the phone input on your Mac 1700. I had a look at the schematic, you would have to modify the Mac by removing two resistors. I don’t recommend that actually.
VoltMan
The 1700 has an old style phono input so I don’t think it’ll work with the Denon preamp in line. I suppose you could modify the 1700, but don’t you have another input besides aux? Perhaps tape? I will look at the schematic tonight. Newer , integrated amps and preamps just have line inputs, so it isn’t really a problem these days. Worst case scenario you could use a line switch.
VoltMan
Try plugging your Denon directly into AUX because it apparently does have a built in preamp according to Denon product page.
J
joshualizer
Ok ..... boom. I turned on the pre amp inside the Denon 300f and then I plugged it into the aux and it sounds great. Very clear and clean. So that's good!

This tells me a couple things. 1. I don't need a transformer. 2. The problem lies with my phono inputs on my Mac1700. In LA the phono section worked great.

Do you think it could be a grounding issue?
THEWEREWOLF
I am in Towson, Maryland. Unfortunately I do not drive so my ability is limited to the immediate Towson area. Here are pictures of some of my children. LOL!

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cheep607
Hey! I recently got a SUV98 with this remote control (see photo), do you have any idea which VCRs are copatible with the controler. And my last question is about the remote control from the EQ SH 8057 from the 88'; it has a remote in and out plugs, any idea if I can control the EQ by following the whole control system (deck, tuner, amp, etc). I'm trying to build the SC A870 Technics Rack from US around 88-89!

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SVI2004A
SVI2004A
Hiya… the USA vtr models differ from the Oceania PAL machines (our ones had NV as a model prefix) but have found a list here… I’d look at the HiFi Stereo ones from the 88 era…

Panasonic - VCR_Wiki

vcr.wikidot.com vcr.wikidot.com

some EQ you could use remote for a few things - that remote doesn’t have EQ options on it… the systems like that ran off the tuner remote sensor… tho the cd players had their own
cheep607
cheep607
EQ options such as? Just curious, wait so there was multiple remote controllers for the same amp/tuner? For the VCR I was interested in one with 6 heads, found this in my local area: Compatible or maybe not

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J
Hi Mcaddie7-

I was reading your HK 930 restoration thread with interest. I have a 930 that is new to me. I am unable to set the bias. I have the left channel set to ~15 mV. But the right channel is between 50-60 mV regardless where I set (VR621). I see in the thread that you changed VR601 and VR624 potentiometers to new ones. What potentiometers did you use to replace VR601/621 and where did you source them?

Thanks
mcaddie7
mcaddie7
Hi! I had an old matched pair I used. Try to find a multi turn pot so you can really adjust it finely. Something like this would work well. Not sure what wattage is needed but 1/2 should be enough given the rest of those resistors are in the same range https://a.co/d/22mUDkX


Don’t forget to maybe change that temp diodes that were suggested in my thread as well, that I think helped as well

Good luck!
S
Hello. I just bought a pair of 322c and am designing a box for them based on the 2.4cu. ft. from the matched JBL product. This volume seems a bit big. Did you have any luck on this project? Any insights are appreciated. Thanks.
S
Hello. I just bought a pair of 322c and am designing a box for them based on the 2.4cu. ft. from the matched JBL product. This volume seems a bit big. Did you have any luck on this project? Any insights are appreciated. Thanks.
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