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#247610 - 2016-03-02 18:14 M10 program plugs wiring?
Registered: 2013-01-03
Posts: 94
Zygmunt Offline
Hitchhiker
Zygmunt Offline
Hitchhiker

Registered: 2013-01-03
Posts: 94
Loc: Cambridgeshire, UK
M10 program plugs, they are 5-pin DIN plugs, does anyone here know how they are wired?

Then it would be straightforward to make up new sets, as the plugs and tools, like the speaker grill support is one of the components that goes missing over the years ...

(On behalf of the M10/M100 Preservation Society smile


- Zygmunt

Living Room: Michell Focus One/Focus/AT30E 101B M2 (from new in 1983-85). G91A-DAB (family friendly).
Office: rMB12 596 504 502 M30
Other office: AD88
Studio: 104 101B M100 - For Radio 3 Choral Evensong !
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#247916 - 2016-03-12 16:37 Re: M10 program plugs wiring? [Re: Coeno]
Registered: 2016-02-22
Posts: 25
Gerard Offline
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Gerard Offline
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Registered: 2016-02-22
Posts: 25
Loc: High River, Alberta, Canada
Hi,

I was the bidder and winner of the M10 plugs [on eBay], not to worry though am working with fellow forum member to have a look how they are wired and he may then make new sets.

Will know more in the next couple of months as plugs are received tested and ease of modelling new ones.

Gerard


Home Theater - LG 4K C7, HD 621, G61RSL, oppo 203, MS600, DSP3100 L & R, 2x3100's centers and 4 DSP33's surrounds. 2 x REL S3 SHO and 2 x REL habitat1 subwoofers.

Music & TV, Samsung UHD 55", oppo 203, HD621, G68D, Sooloos 15, 588, 518, M10, M 20's, m33's,

MD600, 2 x Twinstores..
Shunyata Hydra 8, Shunyata power cables.
Monster AVS 2000
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#247922 - 2016-03-12 21:23 Re: M10 program plugs wiring? [Re: Gerard]
Registered: 2013-01-03
Posts: 94
Zygmunt Offline
Hitchhiker
Zygmunt Offline
Hitchhiker

Registered: 2013-01-03
Posts: 94
Loc: Cambridgeshire, UK
That's brilliant news. I may be able to help. There was an auction on eBay in the US for the amplifier modules from an M10, and from the photos posted I have traced *part* of the wiring of the M10 program plug.

The M10 amplifier socket, is a 5 pin DIN socket, and is wired as follows (pins numbered 1-4-2-5-3, left to right, facing the socket)

Pin 1 - not connected
Pin 4 - red wire, which connects to the crossover
Pin 2 - not connected
Pin 5 - green wire, which connects to the crossover
Pin 3 - not connected
Screen - looks like the screen is connected to the chassis ground

One option is that pins [4,5] are wired [high,low] to give the three program plug combinations and one for no plug. But there may be some circuitry inside the program plug ...

Good luck

I do have the copies of the M10 amp photos. PM me if you want them. (I didn't take them, so I can't just ask Duncan to post them).


- Zygmunt

Living Room: Michell Focus One/Focus/AT30E 101B M2 (from new in 1983-85). G91A-DAB (family friendly).
Office: rMB12 596 504 502 M30
Other office: AD88
Studio: 104 101B M100 - For Radio 3 Choral Evensong !
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#247924 - 2016-03-13 00:39 Re: M10 program plugs wiring? [Re: Zygmunt]
Registered: 2016-02-22
Posts: 25
Gerard Offline
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Gerard Offline
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Registered: 2016-02-22
Posts: 25
Loc: High River, Alberta, Canada
Hi,

Thanks for the information, the M10 amps came from the same unit although I did not look at the pictures as closely as you did, please have Duncan post them so that as we get started on figuring this out and we have some information to go by.

Unfortunately it is the sad end of another set of M10 speakers although before being de-constructed they were in rough shape.

Still have not been able to get my hands on a user manual but will keep on looking.

Gerard


Home Theater - LG 4K C7, HD 621, G61RSL, oppo 203, MS600, DSP3100 L & R, 2x3100's centers and 4 DSP33's surrounds. 2 x REL S3 SHO and 2 x REL habitat1 subwoofers.

Music & TV, Samsung UHD 55", oppo 203, HD621, G68D, Sooloos 15, 588, 518, M10, M 20's, m33's,

MD600, 2 x Twinstores..
Shunyata Hydra 8, Shunyata power cables.
Monster AVS 2000
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#247928 - 2016-03-13 10:13 Re: M10 program plugs wiring? [Re: Gerard]
Registered: 2013-01-03
Posts: 94
Zygmunt Offline
Hitchhiker
Zygmunt Offline
Hitchhiker

Registered: 2013-01-03
Posts: 94
Loc: Cambridgeshire, UK
I have made arrangements (thanks Ian) for the M10 photos to be uploaded.

It is sad that people seem to let old M10s/M100s get into a state and then break them up instead of getting them repaired. Because new and shiny.


- Zygmunt

Living Room: Michell Focus One/Focus/AT30E 101B M2 (from new in 1983-85). G91A-DAB (family friendly).
Office: rMB12 596 504 502 M30
Other office: AD88
Studio: 104 101B M100 - For Radio 3 Choral Evensong !
Top
#247930 - 2016-03-13 11:20 Re: M10 program plugs wiring? [Re: Zygmunt]
Registered: 2012-09-20
Posts: 232
Coeno Offline
Hitchhiker
Coeno Offline
Hitchhiker

Registered: 2012-09-20
Posts: 232
Loc: Tilburg, Netherlands
I just had my M10 revised, it costs a bit but for my budget it's hard to find a better speaker.

I do think the bass is a bit lacking in low volumes, so that is why I am very interested in the outcome of this plugs investigation. So I could use the more bass settings.

Btw during the revision I made some pictures of the interior. Is this interesting for Duncan site?


861v4, HD621, DSP5200 (2X), DSP5200HC, MS200, 2x M10, 2x M2 (rears), RoonLabs, Source:One (core), F80
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#247932 - 2016-03-13 11:27 Re: M10 program plugs wiring? [Re: Coeno]
Registered: 2004-07-21
Posts: 1,746
MI' Offline
Knows where his towel is
MI' Offline
Knows where his towel is

Registered: 2004-07-21
Posts: 1,746
Loc: United Kingdom
Hi,

The photo's could be useful.

PM sent

Regards I


Under review
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#247939 - 2016-03-13 15:32 Re: M10 program plugs wiring? [Re: Coeno]
Registered: 2013-01-03
Posts: 94
Zygmunt Offline
Hitchhiker
Zygmunt Offline
Hitchhiker

Registered: 2013-01-03
Posts: 94
Loc: Cambridgeshire, UK
.. Bass at low volumes.

I have a pair of M100s, which I usually listen to at quite low volume setting (3-4 on a 101B). However, for the organ solo which comes at the end of choral evensong, I find turning the volume up substantially (8-9) makes a great difference. It doesn't affect the human voice that much, but you can hear the difference in the lower notes on the organ and the reverberation. It sounds and feels much more like being in a chapel or cathedral.


- Zygmunt

Living Room: Michell Focus One/Focus/AT30E 101B M2 (from new in 1983-85). G91A-DAB (family friendly).
Office: rMB12 596 504 502 M30
Other office: AD88
Studio: 104 101B M100 - For Radio 3 Choral Evensong !
Top
#250674 - 2016-05-30 14:01 Re: M10 program plugs wiring? [Re: Gerard]
Registered: 2012-09-20
Posts: 232
Coeno Offline
Hitchhiker
Coeno Offline
Hitchhiker

Registered: 2012-09-20
Posts: 232
Loc: Tilburg, Netherlands
Hi Gerard,

any updates on the plugs - I am very interested as M10 user.

Kind regards


861v4, HD621, DSP5200 (2X), DSP5200HC, MS200, 2x M10, 2x M2 (rears), RoonLabs, Source:One (core), F80
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#250675 - 2016-05-30 14:08 Re: M10 program plugs wiring? [Re: Coeno]
Registered: 2004-07-21
Posts: 1,746
MI' Offline
Knows where his towel is
MI' Offline
Knows where his towel is

Registered: 2004-07-21
Posts: 1,746
Loc: United Kingdom
PM sent

Regards I


Under review
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#250687 - 2016-05-30 20:57 Re: M10 program plugs wiring? [Re: MI']
Registered: 2016-02-22
Posts: 25
Gerard Offline
Harmless
Gerard Offline
Harmless

Registered: 2016-02-22
Posts: 25
Loc: High River, Alberta, Canada
Hi Guys,

Have not forgotten but have had to deal with a family situation will get info to Ian when I get back to Canada in a couple of days.

Gerard.


Home Theater - LG 4K C7, HD 621, G61RSL, oppo 203, MS600, DSP3100 L & R, 2x3100's centers and 4 DSP33's surrounds. 2 x REL S3 SHO and 2 x REL habitat1 subwoofers.

Music & TV, Samsung UHD 55", oppo 203, HD621, G68D, Sooloos 15, 588, 518, M10, M 20's, m33's,

MD600, 2 x Twinstores..
Shunyata Hydra 8, Shunyata power cables.
Monster AVS 2000
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#251203 - 2016-06-15 16:54 Re: M10 program plugs wiring? [Re: MI']
Registered: 2004-07-21
Posts: 1,746
MI' Offline
Knows where his towel is
MI' Offline
Knows where his towel is

Registered: 2004-07-21
Posts: 1,746
Loc: United Kingdom
An update on M10 program plugs, still need more information though.

Each plug consists of a resistor and capacitor. I can determine the resistor values and believe capacitor(s) are 63V

If any one can help further, please add to this thread.

Regards I


Under review
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#254130 - 2016-10-06 21:56 Re: M10 program plugs wiring? [Re: MI']
Registered: 2012-09-20
Posts: 232
Coeno Offline
Hitchhiker
Coeno Offline
Hitchhiker

Registered: 2012-09-20
Posts: 232
Loc: Tilburg, Netherlands
Hi Did anybody have an update on the plugs. I am still interested.


861v4, HD621, DSP5200 (2X), DSP5200HC, MS200, 2x M10, 2x M2 (rears), RoonLabs, Source:One (core), F80
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#258754 - 2017-02-02 21:01 Re: M10 program plugs wiring? [Re: Zygmunt]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
Me too! 😩


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#258760 - 2017-02-02 22:14 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2012-09-20
Posts: 232
Coeno Offline
Hitchhiker
Coeno Offline
Hitchhiker

Registered: 2012-09-20
Posts: 232
Loc: Tilburg, Netherlands
Me three


861v4, HD621, DSP5200 (2X), DSP5200HC, MS200, 2x M10, 2x M2 (rears), RoonLabs, Source:One (core), F80
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#258812 - 2017-02-03 16:38 Re: M10 program plugs wiring? [Re: Coeno]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
It's snowballing!


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#258813 - 2017-02-03 16:48 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2011-02-02
Posts: 2,252
Hector Offline
Senior Shouting Officer
Hector Offline
Senior Shouting Officer

Registered: 2011-02-02
Posts: 2,252
Loc: Midlands, UK
Fortunately not an avalanche warning yet, but surely someone here can help the two of you.

Hector


AV: Thorens TD160B, SME, ShureV15MK2, 500, 598, 861v4, DSP7200.1LR, DSP3300HC Samsung UE55, SkyHD.
DINING: MS600, AC200, DSP5200SLLR.
STUDY 504, SB Touch, 2x MD600, C15, 808.6, 5200SE, Mac & PC, Explorer v1, Prime+PS Grado GS1000i
HORIZONTAL: M80, MS200, Red Rose Spirit + Sonus Faber Toys
A capella to Zydeco
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#258814 - 2017-02-03 16:59 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2010-12-09
Posts: 3,473
Ratbert Offline
Ravenous Bugblatter Beast of Traal
Ratbert Offline
Ravenous Bugblatter Beast of Traal

Registered: 2010-12-09
Posts: 3,473
Loc: Europe
Have you tried emailing Meridian to see if you are able to purchase one or if not maybe they will provide you with the wiring diagram so you can get one made or make it yourself?

Russ


Always learn from the mistakes of others. You can never live long enough to make them all yourself.
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#259252 - 2017-02-09 22:01 Re: M10 program plugs wiring? [Re: Ratbert]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
I have asked them. I'll post back anything I find out.


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#259283 - 2017-02-10 13:48 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
And I quote from a reply:
Originally Posted By Meridian Support
Unfortunately we no longer have this information (or the parts) available for the M10 loudspeakers.


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#259285 - 2017-02-10 15:26 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2010-12-09
Posts: 3,473
Ratbert Offline
Ravenous Bugblatter Beast of Traal
Ratbert Offline
Ravenous Bugblatter Beast of Traal

Registered: 2010-12-09
Posts: 3,473
Loc: Europe
Have you contacted Chris at Meridian repair shop. he is ex Meridian staff and very helpful, I find Meridian's reply disappointing but sadly not surprising.

Russ


Always learn from the mistakes of others. You can never live long enough to make them all yourself.
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#259320 - 2017-02-11 08:21 Re: M10 program plugs wiring? [Re: Ratbert]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
Chris serviced my M10s recently - I forgot to ask at the time 😃


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#259321 - 2017-02-11 08:35 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2010-12-09
Posts: 3,473
Ratbert Offline
Ravenous Bugblatter Beast of Traal
Ratbert Offline
Ravenous Bugblatter Beast of Traal

Registered: 2010-12-09
Posts: 3,473
Loc: Europe
He serviced my M100's too, very nice work.

Russ


Always learn from the mistakes of others. You can never live long enough to make them all yourself.
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#259325 - 2017-02-11 09:43 Re: M10 program plugs wiring? [Re: Ratbert]
Registered: 2007-02-06
Posts: 713
Jon Raines Offline
Paranoid android
Jon Raines Offline
Paranoid android

Registered: 2007-02-06
Posts: 713
Loc: Peterborough, UK
Originally Posted By Ratbert
I find Meridian's reply disappointing but sadly not surprising.
I had a query on the 551 and got the same response from Meridian... Where has all the old knowledge gone!


596, 504, 568.2mm, 562v2, 551, DSP5Ks smileys+3dB, DSP5.5kHC smiley, DSP420's, DSP33s, DSW1500, LG C8 OLED,
Sky Q silver v2 +2x mini’s, 3xKef ceiling speakers, 2xMSR+custom keys, Mac Mini, Modded Edge v1.6, ATV2, vMSR, Amazon FireTV4k,Mc200 1tb,
Ms200.
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#259535 - 2017-02-13 21:29 Re: M10 program plugs wiring? [Re: Jon Raines]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
A pair of m3s just sold on fleabay, they had one of the program plugs installed.

Anyone here buy them?

Are they likely to be the same?

Ian


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#259540 - 2017-02-13 22:09 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2004-07-21
Posts: 1,746
MI' Offline
Knows where his towel is
MI' Offline
Knows where his towel is

Registered: 2004-07-21
Posts: 1,746
Loc: United Kingdom
Hi,

M3 plugs are different and account for stand mounting or shelf mounting and are specific to M3's

Regards I


Under review
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#264826 - 2017-05-29 19:15 Re: M10 program plugs wiring? [Re: Jon Raines]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
So, the yellow plug:




Are these good enough for someone to make one?

Larger images in the gallery.

Ian


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#264840 - 2017-05-30 09:51 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2013-01-03
Posts: 94
Zygmunt Offline
Hitchhiker
Zygmunt Offline
Hitchhiker

Registered: 2013-01-03
Posts: 94
Loc: Cambridgeshire, UK
Originally Posted By MoreCoffee
So, the yellow plug. Are these good enough for someone to make one?
This is great, we are nearly there. To make a replacement we need to know the circuit inside the plug and how it is wired. From the photos the circuit is a simple filter with two components. (D'oh moment). Now we need the values of the components.

1. Resistor - from your photo we now have the info. (The resistor is the brown cylinder with the coloured bands). From your second photo, the resistor is 39 KOhm, 5%. (Orange/White/Orange with a gold 5% tolerance band.)

2. Capacitor - we need a clear view of the writing on the capacitor to know its value. (The capacitor is the glass component with foil inside.)

3. Wiring - yes we now have most of the info. It is a DIN 5-pin 45 degrees/180 degree male plug (DIN 41524 - the standard audio connector from the 1980s). From your photo, pins 1 and 3 are floating, pin 2 (top centre) is wired to the shield, and pins 4 and 5 are connected via the RC network. What I can't see clearly from the picture is whether pin 2 (top centre) is also wired to pin 5 (the resistor).

Need two more high res photos, please.

A. Showing all the writing on the capacitor

B. Showing all the pins from the component side so we can see if any pins are wired together.

Thanks


- Zygmunt

Living Room: Michell Focus One/Focus/AT30E 101B M2 (from new in 1983-85). G91A-DAB (family friendly).
Office: rMB12 596 504 502 M30
Other office: AD88
Studio: 104 101B M100 - For Radio 3 Choral Evensong !
Top
#264858 - 2017-05-30 19:50 Re: M10 program plugs wiring? [Re: Zygmunt]
Registered: 2017-01-27
Posts: 23
MoreCoffee Offline
Harmless
MoreCoffee Offline
Harmless

Registered: 2017-01-27
Posts: 23
Loc: West Malling, Kent, UK
That might be all the pics we get - I asked the person selling the M10s on eBay currently, if he would sell the plugs separately, and he said he'd send me pics instead. He went dark after those photos.

Nice guy to make the effort though.

Ian


Meridian M10s,M20s,562,565,501, Ariston rd11s/ittok/mc15 superII, Mac Minis, 4x IMF Studio
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#264861 - 2017-05-30 20:38 Re: M10 program plugs wiring? [Re: MoreCoffee]
Registered: 2013-01-03
Posts: 94
Zygmunt Offline
Hitchhiker
Zygmunt Offline
Hitchhiker

Registered: 2013-01-03
Posts: 94
Loc: Cambridgeshire, UK
I think it's enough, with a bit of mental effort. The plugs are to shape the room response (frequency) and we now know from the photos they are implemented as a simple RC network.

It's a long time since I last did this, but a few minutes with Horowitz and Hill should be enough to work out what the circuit must be.

Prod me if I don't post an answer in the next few days ...


- Zygmunt

Living Room: Michell Focus One/Focus/AT30E 101B M2 (from new in 1983-85). G91A-DAB (family friendly).
Office: rMB12 596 504 502 M30
Other office: AD88
Studio: 104 101B M100 - For Radio 3 Choral Evensong !
Top
#265016 - 2017-06-05 21:15 Re: M10 program plugs wiring? [Re: Zygmunt]
Registered: 2012-09-20
Posts: 232
Coeno Offline
Hitchhiker
Coeno Offline
Hitchhiker

Registered: 2012-09-20
Posts: 232
Loc: Tilburg, Netherlands
Hi Zygmunt,

Any updates?

I am Still very interested wink

Kind regards
Coeno


861v4, HD621, DSP5200 (2X), DSP5200HC, MS200, 2x M10, 2x M2 (rears), RoonLabs, Source:One (core), F80
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#274769 - 2018-04-04 12:46 Re: M10 program plugs wiring? [Re: Coeno]
Registered: 2018-03-31
Posts: 1
Banix Offline
Harmless
Banix Offline
Harmless

Registered: 2018-03-31
Posts: 1
Loc: Alsdorf, Germany
Hi,

I'm a new hitchhiker with a M10 ... smirk

... and for shure, I'm looking for the program plugs.

My Idea: if someone is able to lend the three different plugs to me, I will produce 8-10 pairs (or more, if needed) of them all and offer them here to the M10 owners.

To the one, that owns the plugs: please think about it, You would help the rest of half mankind.. cool

Regards
Banix

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#274931 - 2018-04-08 16:14 Re: M10 program plugs wiring? [Re: Banix]
Registered: 2016-02-22
Posts: 25
Gerard Offline
Harmless
Gerard Offline
Harmless

Registered: 2016-02-22
Posts: 25
Loc: High River, Alberta, Canada
Hi Everyone,

Been out of the loop for a while, I have a set of the program plugs of the M10's as discussed in a post last year, if someone wants to replicate them please advise.

I have tried high resolution photo's but close to impossible, it may be wiser for someone with the technical knowledge to copy from the originals it can be out own cloning project.

Regards Gerard


Home Theater - LG 4K C7, HD 621, G61RSL, oppo 203, MS600, DSP3100 L & R, 2x3100's centers and 4 DSP33's surrounds. 2 x REL S3 SHO and 2 x REL habitat1 subwoofers.

Music & TV, Samsung UHD 55", oppo 203, HD621, G68D, Sooloos 15, 588, 518, M10, M 20's, m33's,

MD600, 2 x Twinstores..
Shunyata Hydra 8, Shunyata power cables.
Monster AVS 2000
Top
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