[1087] SSM2166 Compressor Project

Date: December 16th, 2011 | Comments : [6] | Categories: DIY.

ssm2166 compressor

Update: The parts needed for this project arrived and the pcb is populated and ready to test. The ssm2166 adapter is mounted in the socket on the right.

ssm2166 compressor pcb

Prototype pcb for the SSM2166 Compressor

I am in the process of revising the compressor project that is based on the SSM2166 chip from Analog Devices. The DIP version of the chip is out of production but Small Bear has assembled a large number of the SMD chips onto an adapter, which is shown the foreground. More news on this project once I test the redesigned circuit.

Also, in the package of prototype pc boards that I just received were these two items that I made for switches. The one on the right is for true bypassing with the 3PDT, while the board on the left is an adapter for a mini rotary 1P6T switch. This allows 6 capacitors to be selected by turning the knob, and I intend to use it on the input of a treble booster.

1P6T switch


6 Responses to “SSM2166 Compressor Project”

[2533] Brenton Says: 10:50 am, December 29th, 2011

That 1p6t switch with pcb looks perfect for a vari-tone drop in for a guitar tone.

[2534] admin Says: 4:11 pm, December 29th, 2011

It would be good for a varitone, but I plan on using it to switch capacitors at the input of a Rangemaster-type circuit.

regards, Jack

[2656] Ken Says: 11:08 am, February 22nd, 2012

When do you anticipate the SSM2166 pcb to be ready for shipment? … I built your SSM2165 and it was a little too noisy but seemed very promising. I’m hoping this would be an improvement over the 2165.


[2664] Ben N Says: 8:11 am, February 26th, 2012

Any options on the compressor? I’d love to be able to separate the signal and control inputs, for example.

Thanks, Jack.

[2667] admin Says: 9:47 am, February 28th, 2012

Not sure what options will be available as it is still in the works. This project is behind a few others at the moment but I hope to work on it again soon.

regards, Jack

[3712] BJ Says: 9:58 pm, December 27th, 2012

I’m just getting into some mods for some friends of mine and in school for electrical engineering. I’m curious about the terminal board for the 1t 6p rotary switch. I looked on small bear and they only offer board kits you have to make on your on. Is there any place you can order the circuit board for the switch?


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