Search found 103 matches

by SeventhCircle
Fri Jul 12, 2013 11:47 am
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

will you still have not-counter-bored sub panels available to match the ones I already have?
Probably for a while yet. Let us know your preference when you place an order.
by SeventhCircle
Thu Jul 11, 2013 7:02 pm
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

Seventh Circle Audio - CH02 Chassis Now Shipping

http://www.seventhcircleaudio.com/CH02/images/CH02_Med01.jpg New and improved CH02 chassis kits are now shipping! Just some of the many improvements include: New power supply, PS04, mounted on right side of chassis. Fuse easily accessible on back panel. Illuminated logo indicates power supply healt...
by SeventhCircle
Tue Apr 23, 2013 4:13 pm
Forum: Buy/Sell/Trade
Topic: Seventh Circle Audio - Scratch and Dent Sale
Replies: 1
Views: 868

All gone in a bit more than 2 weeks, thanks everybody!
by SeventhCircle
Fri Mar 29, 2013 4:52 pm
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

Seventh Circle Audio - OneShot Single-Module Chassis

After many requests, we're happy to introduce the rugged, compact, convenient, and affordable OneShot chassis. Designed primarily for easy tabletop operation, the OneShot can also be rack mounted. Just remove the feet and screw up to four OneShot chassis directly to a Raxxess UNS-1 as shown. No othe...
by SeventhCircle
Fri Mar 29, 2013 8:52 am
Forum: Buy/Sell/Trade
Topic: Seventh Circle Audio - Scratch and Dent Sale
Replies: 1
Views: 868

Seventh Circle Audio - Scratch and Dent Sale

We've rounded up the last few beige CH01 chassis and are selling them cheap. Front panels and top covers are in like-new condition, but the chassis themselves may have a few scratches, blemishes, extra holes, etc. PS03 power supplies and wiring harnesses are also deeply discounted until they're gone...
by SeventhCircle
Tue Oct 18, 2011 2:44 pm
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

Seventh Circle Audio A12b Preamp

http://www.seventhcircleaudio.com/A12/A12R17/images/A12b_Small_01.jpg A12b Microphone Preamp The A12b is a simple, single stage preamp module that evokes classic American designs of the early '70s. Using exactly the same circuit as our modular SC25 op-amp, the A12b offers all of the performance of ...
by SeventhCircle
Wed Oct 05, 2011 4:30 pm
Forum: Creative Recording
Topic: NEW SCA B-16 Compressor
Replies: 1
Views: 1702

by SeventhCircle
Wed Oct 05, 2011 2:58 pm
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

Seventh Circle Audio - New B16 Compressor Kit!

http://www.seventhcircleaudio.com/B16/B16R12/images/B16R12_Small01.jpg The B16 is an inexpensive, easy to build and easy to use VCA compressor compatible with our CH01/PS03 chassis and power supply. On-board regulators and high voltage supply rails along with a switchable input pad allow the module...
by SeventhCircle
Fri Jul 30, 2010 9:48 am
Forum: Creative Recording
Topic: recapping PS - cap size discrepancies?
Replies: 9
Views: 2064

Looks like the original is crimped on both ends and marked "BP" for bi-polar. Your polarized replacements won't be happy for long if they need to withstand sizable reverse voltage. Bipolar electrolytics are generally much bigger because they have double the insulating oxide layers. You can substitut...
by SeventhCircle
Fri Jul 30, 2010 9:33 am
Forum: Creative Recording
Topic: Electronics Classes.
Replies: 26
Views: 5963

Get a used copy of The Art of Electronics and, just as important, a copy of the Student Manual . Download a free spice simulator. I like Micro-Cap , but there are many others. Work the problems! Will it be challenging? Yes. Is it always a ton of fun? No. Is there any other way to learn the fundament...
by SeventhCircle
Thu Jul 29, 2010 6:10 pm
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

Less work, easier assembly, same low prices! All chassis kits now ship with soldered and crimped lamp and switch assemblies http://www.seventhcircleaudio.com/images/lamp_01.GIF http://www.seventhcircleaudio.com/images/switch_01.GIF No more MOLEX crimping! All module kits now ship with tapped XLR con...
by SeventhCircle
Thu Jun 03, 2010 5:34 am
Forum: Creative Recording
Topic: CineMag Responsiveness?
Replies: 14
Views: 3223

They always answer when I call and have always been great to work with.
by SeventhCircle
Mon Dec 07, 2009 7:23 pm
Forum: Creative Recording
Topic: 990 op amp in line input circuit
Replies: 1
Views: 893

These things are hard to beat for balanced line inputs: http://www.thatcorp.com/1200-series_Hig ... r_ICs.html

Much better CMRR than a simple one op-amp diff amp.
by SeventhCircle
Mon Dec 07, 2009 7:14 pm
Forum: Creative Recording
Topic: Available kits for DIY assembly
Replies: 82
Views: 154558

Although we've been working hard on very interesting new products, we haven't forgotten about our very popular kits. We've made some improvements to make kit assembly even easier, plus we've reduced the lead time and lowered prices on assembled modules. All complete kits now ship with a Production D...
by SeventhCircle
Wed Feb 06, 2008 12:33 pm
Forum: Creative Recording
Topic: SCA N72 Questions (I just built one)
Replies: 5
Views: 1529

I get a noise floor of about -85db. This is a meaningless measurement without specifying the reference level. If it's -85 dBFS on your converter, you first need to find out what actual input voltage produces 0 dBFS. If, say, +4 dBu equals -22 dBFS (like an Apogee), then you may have a noisy N72. If...