need schematic for acoustat mk131/nt

moray james · 10th August 2005, 06:56 AM

nt

bear · 14th August 2005, 02:59 AM

moray,

131/nt??

What's "nt"??

I have the Acoustat 131 MkII interface schematic around here somewhere... it's pretty simple, and if you have the box, and I think you do, then it is right in front of you - no surprises.

I can probably answer specific Q's from memory... probably.

_-_-bear

moray james · 14th August 2005, 04:45 PM

Bear: sorry no text (nt). The units I got have been played with so I wanted to know what the cap value of the stock crossover is. Would be glad to have a copy of the schematic if you have one though. Thanks for the reply regards Moray James.

Dick West · 15th August 2005, 01:35 AM

I can scan and upload here the schematic for the MK-121, Don't know how similar it is to the MK-131. Perhaps Bear can comment on this.

Let me know if the MK-121 schematic will help?

moray james · 15th August 2005, 04:42 PM

Thanks Dick: I have a copy of the Mk 121 schematic. Sounds like the Mk 131 uses a 220 uf cap which was later changed to a 47 uf cap with the Medallion mod. But I would still like to have a copy of the Mk 131 schematic if anybody has one. Thanks again. Regards Moray James.

Dick West · 16th August 2005, 04:20 AM

Aha . . . You are dealing with a medallion box. It made for a big difference in the components. There used to be a web site that had info about all of this and offered to do updates -- for a fee. Have you done a good GOOGLE on this? Also, post your questions at the Madisound board. Some bright professionals hang there and I'll bet you'll find someone who can answer your questions and point you to the info you need. Good luck. I enjoyed a pair of Acoustat IIa for years. They really were something. Even had a nice chat with Bob Strickland at the Chicago CES back in the late 80s.

Brian Beck · 16th August 2005, 10:25 PM

Might have been Bob's alter ego, Jim, the real Acoustat guru

Dick West · 17th August 2005, 04:54 AM

You are correct. It was a long time ago.

VivaVee · 18th August 2005, 05:56 AM

I have them all at home. I'll try to scan it tonight and send to you tomorrow. What is the forum file size limit?

VivaVee · 18th August 2005, 08:46 PM

Here are the two MK131 schematics that I found last night

10th August 2005, 06:56 AM	#1
moray james diyAudio Member Join Date: Aug 2003 Location: Calgary on the Bow	need schematic for acoustat mk131/nt nt __________________ moray james

14th August 2005, 02:59 AM	#2
bear diyAudio Member Join Date: Apr 2002 Location: New York State USA	moray, 131/nt?? What's "nt"?? I have the Acoustat 131 MkII interface schematic around here somewhere... it's pretty simple, and if you have the box, and I think you do, then it is right in front of you - no surprises. I can probably answer specific Q's from memory... probably. _-_-bear __________________ _-_-bear http://www.bearlabs.com ...ur feeback please - like/dislike my what I have written? PM/email tnx. --

14th August 2005, 04:45 PM	#3
moray james diyAudio Member Join Date: Aug 2003 Location: Calgary on the Bow	Mk 131 Bear: sorry no text (nt). The units I got have been played with so I wanted to know what the cap value of the stock crossover is. Would be glad to have a copy of the schematic if you have one though. Thanks for the reply regards Moray James. __________________ moray james

15th August 2005, 04:42 PM	#5
moray james diyAudio Member Join Date: Aug 2003 Location: Calgary on the Bow	Mk 121 Thanks Dick: I have a copy of the Mk 121 schematic. Sounds like the Mk 131 uses a 220 uf cap which was later changed to a 47 uf cap with the Medallion mod. But I would still like to have a copy of the Mk 131 schematic if anybody has one. Thanks again. Regards Moray James. __________________ moray james

16th August 2005, 10:25 PM	#7
Brian Beck diyAudio Member Join Date: Dec 2004 Location: South Florida, USA	Might have been Bob's alter ego, Jim, the real Acoustat guru __________________ Brian


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15th August 2005, 01:35 AM	#4
Dick West diyAudio Member Join Date: Aug 2004 Location: Illinois	I can scan and upload here the schematic for the MK-121, Don't know how similar it is to the MK-131. Perhaps Bear can comment on this. Let me know if the MK-121 schematic will help?

16th August 2005, 04:20 AM	#6
Dick West diyAudio Member Join Date: Aug 2004 Location: Illinois	Aha . . . You are dealing with a medallion box. It made for a big difference in the components. There used to be a web site that had info about all of this and offered to do updates -- for a fee. Have you done a good GOOGLE on this? Also, post your questions at the Madisound board. Some bright professionals hang there and I'll bet you'll find someone who can answer your questions and point you to the info you need. Good luck. I enjoyed a pair of Acoustat IIa for years. They really were something. Even had a nice chat with Bob Strickland at the Chicago CES back in the late 80s.

17th August 2005, 04:54 AM	#8
Dick West diyAudio Member Join Date: Aug 2004 Location: Illinois	You are correct. It was a long time ago.

18th August 2005, 05:56 AM	#9
VivaVee diyAudio Member Join Date: Jun 2004 Location: Auckland, NZ	I have them all at home. I'll try to scan it tonight and send to you tomorrow. What is the forum file size limit? __________________ Alan

18th August 2005, 08:46 PM	#10
VivaVee diyAudio Member Join Date: Jun 2004 Location: Auckland, NZ	Here are the two MK131 schematics that I found last night __________________ Alan

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