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Mic Preamp SC-1 with Cinemag input/output transformers

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Total Posts: 87
This Year: 24
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Comments: 9

SC-1 Mic Preamp NOW ON SALE!!!!

After many months of development, testing, troubleshooting, frustration, problems, and accomplishments... the SC-1 mic preamp kit, PSU-1848 power supply kit and power transformer kits are now available for sale!

Click here to ORDER

Photo of a finished SC-1 mic preamp kit!  (Note: XLR jacks and wires shown on picture not included in the kit.)

Features:
- Low-Noise, transformerless, High-Quality Mic Preamp
- All solid-state design, using chipsets from THAT Corp and Burr-Brown
- Soft-start, slow ramp-on +48V phantom power
- Crystal clear Red LED indicator for phantom power
- Electronically balanced input and output stages
- 12-position Grayhill gain selector switch
- Gain range from +6 to +72dB, in 6dB increments
- Input RFI protection
- Input clamping protection
- Output surge protection circuit
- Output RFI protection
... read more...

Download PDF file of Assembly Guide/Kit Instructions

Related products like the PSU-1848 Power Supply Kit, Power Transformer Kit, Power Control Kit are also available for sale. Click here.

 Thursday, March 20, 2008
Thursday, March 20, 2008 3:54:00 PM (Central Standard Time, UTC-06:00) ( )
Yes!... got some time to do some electronics work today... away from the purchasing role.

Finally built and tested the final, final, FINAL prototype of the IO-module. And it's great.

Man, I love the sound of the Active DI going through the input transformer. Actually, love the sound of anything going through it.

Some pics:



Now, I haven't sent the PCB out for mass production yet, but I have (4) prototype PCBs left. I'm keeping (2) so that leaves (2) extra ones...

I know somebody out there is waiting for this patiently... you're getting these PCBs way in advance of the others.

I'd need to drill some square cutouts first on it... like this


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