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https://www.decware.com/cgi-bin/yabb22/YaBB.pl EQUIPMENT FORUMS >> CSP3 >> Headphone Calibration Controls https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1438181921 Message started by JohnnyB on 07/29/15 at 15:58:41 |
Title: Headphone Calibration Controls Post by JohnnyB on 07/29/15 at 15:58:41 Hi All, I just procured one of Steve's CSP3's and am going to use it as a preamp for a newly built Dynaco-70. The question I have is in regards to the Left and Right headphone calibration controls, what setting should those be on when using as a preamp? The documentation says to turn the main volume to about 1/2 and then adjust the Left and Right Output controls but nothing about how to set the headphone controls along with the Output controls. Any help would be great!!!! :D |
Title: Re: Headphone Calibration Controls Post by Archie on 07/29/15 at 16:55:28 JohnnyB -- I use a CSP3 in front of a ZMA. If you refer to the product page and the lettered picture I use the following settings. Part of this comes from Steve and part from my experience with the amps. Master Volume (H): Just slightly back from full Headphone Cal Controls (B): Full on Output Controls (C): 2 o'clock to 3 o'clock. Also used to balance speakers if imbalanced. These can be set between clicks. I use the volume control on my ZMA between about 9 o'clock and 12 o'clock. I find if I use the ZMA at full and the CSP3 Master Volume to control the listening level I get more HUM from my speakers. I added knobs to the posts on the CSP3 to help with making adjustments easily. |
Title: Re: Headphone Calibration Controls Post by Tripwr1964 on 08/02/15 at 17:52:14 In my system I like the output at 1-2 o'clock and headphone cal at 2-3 o'clock. For speaker listening. Play around with it for a month or so.... You'll figure out what u like. Love those little knobs :) |
Title: Re: Headphone Calibration Controls Post by JohnnyB on 08/03/15 at 15:59:41 Thanks for the suggestions, i really do appreciate it. I now have a starting point to begin my quest for the perfect settings :D Archie, What type of knobs did you add to the posts? It would be easier if they were a little bigger. |
Title: Re: Headphone Calibration Controls Post by Archie on 08/03/15 at 16:41:18 JohnnyB, I bought my knobs from Digikey. The link shows their smaller knobs which I used on my CSP3 input and output posts. I bought a taller knob for the Master Volume. Search their sight and you'll see lots of options. Stick with the 1/2 inch diameter knobs though so you'll have enough space between the knobs and the tubes. I also put these knobs on my ZMA bias posts and master volume. I like the clean black look, the index line and the ability to grab with my fat fingers! http://www.digikey.com/product-search/en?pv91=329&pv183=6711&pv73=37&pv76=469&pv752=4&pv37=105&FV=fff40020%2Cfff80019&k=kilo&mnonly=0&newproducts=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=25 |
Title: Re: Headphone Calibration Controls Post by JohnnyB on 08/03/15 at 18:24:33 Thanks Archie!!! These will help immensely, especially if putting the CSP3 in a cabinet. :) |
Title: Re: Headphone Calibration Controls Post by JohnnyB on 08/05/15 at 17:23:38 Archie, Did the 1/2" diameter knobs fit around the Master Volume knob or did you need to change that one to 1/2" as well to make everything fit? Thanks!! :) |
Title: Re: Headphone Calibration Controls Post by Archie on 08/06/15 at 16:52:49 I took off the stock knob and replaced it with a 1/2 inch diameter knob. You need to get knobs that fit over a 1/4 inch post. I'm not sure why Steve doesn't put index lines on his wood knobs. Originally I put a line on the wood knob but I like the look of the 1/2 inch black knobs better. My master volume knob is taller than the input/output knobs too. |
Title: Re: Headphone Calibration Controls Post by Archie on 08/06/15 at 21:02:13 I looked at my CSP3 and the stock wood knob would work with 1/2 inch knobs on the other controls but it would be a little tight. |
Title: Re: Headphone Calibration Controls Post by JohnnyB on 08/12/15 at 16:56:50 Archie, I placed an order from Digi-Key yesterday for (5) .50" knobs to replace the master and get something i can grab on the other 4 controls. Thanks for the suggestion!!! :) |
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