Dynacord CLS 222 Leslie Simulator clone - Page 3 - diyAudio
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Old 14th December 2012, 06:36 PM   #21
diyAudio Member
Join Date: Sep 2005
Default About eBay TDA1022 from Hong Kong

Originally Posted by DEQ+TheEnd View Post

CA3280 and TDA1022 are still available in small quantity for hobbyist from eBay. But not knowing what exactly are delivered under the label it make sense trying to do this with more “modern” components.
At least one of the Hong Kong firms on ebay selling TDA1022 chips are ignorant of ESD packaging and handling precautions and sent me some with the pins inserted into white styrofoam put inside a sealed envelope. I sent them some information to educate them about not removing the ICs from the tubes, that inserting the ICs in styrofoam ruins them, etc., but they wanted the mispackaged ICs back (to sell to some other poor soul that doesn't know any better, I suppose?). Caveat Emptor!!!

I haven't tried replacing the TDA 1022 with a MN3007 at double the clock rate, but I think it will work.

mr coffee
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Old 16th April 2013, 12:27 AM   #22
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Join Date: Apr 2013
Location: Dublin
Hello all newbie here

Sorry from resurrecting this thread but i am a long time CLS 22 user and recently it gave up the ghost in the middle of a gig...one of the lads in the band is a sparks and had a look at it for me..he thinks it might be the bridge rectifer as we tested it and were getting some voltage readings but the unit is dead and but i don't know anyone here who could repair an old unit like this...

I saw a post from a person who said he designed this unit and seems to be based in Ireland and was hoping he might be able to help me get it back up and running as i really miss it in my rig...i use it for guitar and have been using the line 6 leslie simulation in the pod xt pro i have but it doesn't have the same depth to it

Any help appreciated

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Old 9th May 2013, 07:01 PM   #23
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Join Date: Jan 2013
Hello all.

If anyone is interested,
I build handcrafted, on request, replica "carbon copy"
of CLS 222, rotary speaker simulator effect.
Schematic and layout of electronic components are identical to the original.
The circuit is fully analog as original.
All components are NEW and NOS from reliable sources.
Metal box of 60 mm in height (approximately 1.5 rack units)
with brackets for mounting in 19" rack.
Speed settings Trebble and Bass on the front panel.
Inscriptions on panel are printed on adhesive and protected.
Inputs and outputs are on the back, with 230V socket.
I give also the dual pedal suitable for remote STOP/SLOW/FAST
in metal box with jack cable of 3 meters.
On request I can send a photo of the "prototype zero", not for sale,
but indicative of the aesthetic final product.

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Old 19th May 2013, 12:04 PM   #24
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Join Date: Jan 2010

I am the one who designed this unit. Although I often stayed in Ireland I live most of the time in Germany.
If you want to post the CLS22 to my German address I can check the circuit with a good chance to fix it as long as I do not have to replace some obsolete chips like tda1022 or ca3280.
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Old 4th March 2014, 07:58 PM   #25
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Join Date: Feb 2014
I downloaded the schematics that you posted, but it seems that some of the circuit is missing. I was wondering if you could post the entire complete schematic. I would like to try and build the circuit from your original schematics and just wondered if you could scan the rest. Thank you so much!

Hope it's ok I'm posting to this old thread, thanks.

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Old 10th March 2014, 11:24 PM   #26
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Join Date: Jan 2010
oops, I scanned the schematic, all in all one single page, months ago and forgot to upload.
Quality is poor, due the fading original sheet from 1982 or so.
I will try to re-scan, maybe with better results.
Attached Files
File Type: pdf cls222-01.pdf (285.5 KB, 63 views)
File Type: pdf cls222-02.pdf (265.3 KB, 52 views)
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Old 11th March 2014, 04:53 PM   #27
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Join Date: Jan 2010
I did some scans today - hope this helps to complete the circuitry
Attached Files
File Type: pdf cls222_01.pdf (266.0 KB, 87 views)
File Type: pdf cls222_02.pdf (277.5 KB, 60 views)
File Type: pdf cls222_03.pdf (301.9 KB, 58 views)
File Type: pdf cls222_06.pdf (266.0 KB, 56 views)
File Type: pdf cls222_07.pdf (277.5 KB, 60 views)
File Type: pdf cls222_08.pdf (350.7 KB, 55 views)
File Type: pdf cls222_09.pdf (301.9 KB, 58 views)
File Type: pdf cls222_10.pdf (196.3 KB, 61 views)
File Type: pdf cls222_11.pdf (357.8 KB, 65 views)
File Type: pdf cls222_12.pdf (186.9 KB, 64 views)
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Old 11th March 2014, 04:56 PM   #28
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Join Date: Jan 2010
more uploads
Attached Files
File Type: pdf cls222_13.pdf (240.4 KB, 64 views)
File Type: pdf cls222_17.pdf (409.7 KB, 61 views)
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Old 11th March 2014, 07:57 PM   #29
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Join Date: Feb 2014
Thank you very much for the scans and for your time! I really appreciate it.
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Old 14th March 2014, 03:24 PM   #30
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Join Date: Feb 2014
I just noticed that the pc board and component layout sheets were cut off at the very end in the scan. cls222_10.pdf is the component layout and cls222_11.pdf is the pc board layout. Could you please scan the part that is missing? All of the circuitry is complete besides that. After this, everything will be complete.

Big thanks once more!
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