buckethead

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #20 on: May 27, 2017, 06:36:13 AM »
Nice project!!!

Im in for two partial kits :)


noulou

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #21 on: May 29, 2017, 06:32:07 AM »
This looks great! Well done.
Any chance of getting partial kits without the front panel? I would like to build a +-6db pair.

Nikos

elskardio

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #22 on: May 29, 2017, 08:53:29 AM »
This looks great! Well done.
Any chance of getting partial kits without the front panel? I would like to build a +-6db pair.

Nikos

No sorry

living sounds

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #23 on: May 29, 2017, 11:17:57 AM »
Looks great, I'm in for 2-4 kits.

What about the center tapped pots, though? I don't think those can be bought at mouser....

elskardio


Tungstengruvsten

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #25 on: May 30, 2017, 01:39:16 PM »
2 full kits here please!
Is that a real poncho or a Sears poncho?

elskardio

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #26 on: May 30, 2017, 01:58:08 PM »
2 full kits here please!

Hi Tungstengruvsten,
I will make partial kits only. Are you still interested in 2?
thanks

AudioHammer

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #27 on: May 30, 2017, 04:10:31 PM »
I will take 2 partial kits.

Looks great !!

AudioHammer

Tungstengruvsten

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #28 on: May 31, 2017, 02:23:17 PM »
Hi Tungstengruvsten,
I will make partial kits only. Are you still interested in 2?
thanks
I'm in Canada so i'm fine with partial or full kits -
Is that a real poncho or a Sears poncho?

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #29 on: May 31, 2017, 03:54:36 PM »
I'll take 2! ;D


Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit Feeler**
« Reply #30 on: June 01, 2017, 12:18:12 AM »
I would be interested in 2 if it's still open.


elskardio

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #31 on: June 01, 2017, 10:03:22 AM »
First post updated  ;)

Vac11

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #32 on: June 01, 2017, 11:26:04 AM »
One question: how did you calibrate this EQ?

elskardio

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #33 on: June 01, 2017, 11:35:11 AM »
One question: how did you calibrate this EQ?

By calibration, do you mean the frequency selection?

Vac11

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #34 on: June 01, 2017, 02:06:01 PM »
There are few trimmer resistors on the PCB... What are they used for?

elskardio

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #35 on: June 01, 2017, 02:32:36 PM »
There are few trimmer resistors on the PCB... What are they used for?

There's a Bias adjustment for the NE5534 on each band. Near the Input/Summing section, there's another trimmer to cancel the noise on the Bypass switch and another one to adjust the output level of the EQ.

The calibration is pretty easy. There's Test points on the pcb. All you need is a Digital Multimeter.
Cheers

aCr

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #36 on: June 02, 2017, 06:44:12 PM »
I'm in for 2 partial kits

buckethead

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #37 on: June 08, 2017, 06:06:12 AM »
Payment sent :)

elskardio

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #38 on: June 08, 2017, 07:47:02 AM »
Payment sent :)
Payment received
Thanks

Re: CA-250 EQ // 3 band Sontec in 500 format **Partial Kit** UPDATE
« Reply #39 on: June 09, 2017, 01:24:13 AM »
Payment sent.


 

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