Die schönen alten Dynacords...

Hallo liebe Dynacordler,
klinke mich mal hier ein, wenns erlaubt ist.
Neben diversen Orange-/Ampeg-Boliden stehen bei mir auch Bassmaster/Mustangs v. Echolette und ein 60er Dynacord Bass King.
Leider ist seit 2 Wochen der Treble-Regler ohne Wirkung.
Ist jem das Problem bekannt, wer könnte das ev reparieren?

Gruß
Bernd
 

Anhänge

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Hallo Bernd,

Das Problem ist zumindest mir und bei diesen Potis nicht bekannt.
Aber wenn es urplötzlich gekommen ist, könnte es nur das Poti selber sein oder die Lötstelle vom Schleiferausgang zur Platine.

Da es die Originalpotis mW so nicht mehr gibt, ists zwar etwas Bastelei aber der Amp ist nicht verloren.

Wo ist der Amp-Standort?

Norbert
 

I'm sorry I'm not writing in German; it's been many years since I heard it in school. It's better this way.

My Bass-King T needs a friend in a suitable cabinet (I already have a ported 1x15 cabinet with a new Jensen that sounds good but I'm insane). I believe in things being used as they were used to be used. So I modeled, 3d printed (1:10 scale) and ran through WinISD a model of a D50 cabinet, closed, with Eminence Beta 12A s. My parents have a crack carpenter in their town who has already said he would join the insanity.

I would call it the Dynacord-Ilin-Mistral-xxx(carpenter name) project. Thought of with great help from the Mistral AI. It was all done in TinkerCAD.

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i only had a clear photo of a D520 front, but the end product should correctly have D50 written on it. Accuracy on the printing (especially on the grill cloth) is not important at this point. This was just to get my bearings around something i'd never seen before.

dynac_3d.png


and this is how it looks in the cabinet, according to WinISD.

3spks.png





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Since my collaborator Mistral Le Chat skews towards the Eminence Beta 12A, I will not argue with him. Is there anything else I should be looking out for? Is there anything better?

Thanks.
 
I would not look at the bass response alone but on the high mid/treble section, i.e., the breakup characteristics of the speaker. Which IMHO is the cause of the following:

Depending on your sound idea the Emi Delta 12 might be better (or not). Or some Oberton 12L300 (clone of the EV12L). But anyway, the Beta 12 is a good speaker with a warm sound, relatively mellow. Good also as a speaker for jazz guitar clichee sound. The Delta 12 is a lot more agressive and can be used even as a "rock" guitar cab where the Beta 12 ist not well suited.
(I am using both, the Beta 12 and the Delta 12, and i like them both for their differend sound characteristics).
 
Oberton 12L300 (clone of the EV12L)

Vielen Dank ! I did not know that :bier:. Oberton is just over the border - i'm Romanian and they're from Bulgaria. This is awesome. Somehow i always thought of them as more of a brand people were referring to for PA speakers, not specifically bass guitar applications.
Just a few days ago i was searching (this was for my regular cabinet), if anyone makes clones of the JBLs like the K140 or the Goodmans (which - correct me if i'm wrong - were also sometimes found in these Dynacord cabinets). To hear that someone makes clones of the old EVs is just as good.

My tone goes from mellow to full on overdrive/distortion with liberal use of feedback, sometimes in the same song. I don't remember why i gave up on the Delta 12 - i'll model it again and see what it does.

I'm also researching the possibility of having an adjustable vent on these cabinets. I get good results tuning the whole thing to ~42Hz so i've been thinking of something like the vents in a TL806 style cab.

LE: we had this discussion before 😳. Gave up on the idea of a 2x12 cabinet back then, the Hellborg went out of stock, etc etc. I also did not know many things i do now, including carpenters :rolleyes:
 
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I'm also researching the possibility of having an adjustable vent on these cabinets. I get good results tuning the whole thing to ~42Hz so i've been thinking of something like the vents in a TL806 style cab.
Its a common practice to use a different tool then WinISD for proper port dimensions cause this tool is well known for its erroneous outcomes.

You may use Boxsim to get way more reliable results for port and cab dimensions. With Boxsim its even possible to predict shelf ports such as is for any TL806 style cabs.
 
Boxsim to get way more reliable results for port and cab dimensions. With Boxsim its even possible to predict shelf ports such as is for any TL806 style cabs.

Thank you. I knew i'd forgotten something :bier:. I was aware of the wild port data WinISD sometimes gives, but in the end i was going to install and learn to use Boxsim anyway.
 
A suggestion: combine two TL806 to a 2x12 cab with ports on one side. The side walls of the original 806 now will become top and bottom, and they have pretty much the correct size to carry a dynacord headshell. The use the speakers of Your choice - all speakers discussed above will work, although the simulations look a bit weird. Even the Beta 12 works very reasonably (although it actually performs better in, say 45l instead of 35.)
You will always be able to lower the tuning frequency according to the needs of the room by (partially) closing the vents.

I did that with 2 Emi Delta 12 (shown somewhere earlier in this thread) and i ran an Beta 12 in a 35l cab with an 806 like bass tuning. Usually with partially closed ports which gives a deeper, less pronounced but cleaner bass response. And it is nice to have that freedom.
 

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