bobsdevices

Responses from bobsdevices

Audio Research PH5 Phono Preamplifier Input Clipping Problem
Using a step up transformer of 1:20 will give you an output from the cartridge of 5.2mV, about the same as that of a MM cartridge.  The PH5 overloads at 70mV and typically if you allow for about 10x the input voltage for peak overloads, you have e... 
VPI MOTOR PULLEY ??
and you don't even have to log in.  you can email bob@bobsdevices.com or call at 910-612-8666.   I will just need a photo of your pulley. 
VPI MOTOR PULLEY ??
HI This is Bob from Bob's Devices.  I don't remember getting an email recently about a pulley, but typically I only need a photo to make sure you get the right part.  VPI is not standard on their parts, even on the same table.  If someone emails o... 
Koetsu RSP Sound Problem
I have personally owned a Rosewood Signature Platinum (RSP) along with several other Koetsu Cartridges.  I loved the sound of the RSP.  After considerable use, I needed to retip it and sent it to Soundsmith for repair.   I was extremely pleased wi... 
Naked Classic Platter
I don't use a mat. Mine is naked. 
VPI 3-D tonearm
I have use a Koetsu Azule on a 12-inch 3D arm. It sounds amazing. Prior to that, I had to use Damping fluid in a 12-inch metal VPI arm to get it to sound right. 
Table setup/help in SE WI
The first thing you should do is make sure the surface the turntable and motor is on is level. Then make sure the turntable is level by putting the level on the platter and rotating it to make sure it is level in all directions. Then, the VPI jig ... 
Matching Koetsu Stone Body Platinum Cartridge
The Denon 103 version of the A23, I Believe, uses HAUFE T-7883 transformers which have a 1:10 step up ratio. http://www.haufe-uebertrager.de/Daten/Datenblaetter/Datenblatt%20T7883%20013120.pdf 
Matching Koetsu Stone Body Platinum Cartridge
I have personally used the Azule and Tiger Eye, along with the Rosewood Signature Platinum. My favorite is the Azule. Having also listened to several of the rosewood signature platinum cartriges, I find each one to sound slightly different. So I w... 
VPI Scout Zu DL 103
It should work well with the Jolida set to MC LOW. You might need a heavier counterweight on the tonearm but won't know until you mount it and see if it will balance correctly. 
Automatic return arms - still produced ?
I am currently using a Yamaha PX-2 Turntable at home. It is automatic and that way, some of my family members feel comfortable playing records. It also is an excellent performer with linear tracking. I am using a Koetsu Rosewood Signature cartridg... 
VPI JMW 12.7 Spindle/pivot distance
I Didn't read all the responses, but it is 299.5 mm. 
I can't get a wood bodied Benz anymore
Cardas myrtle wood is a benz ruby in a myrtle wood body. It is still available. 
Any step up transformers recommendations for MC's
What is the internal impedance of the cartridge. That information is needed to get a good calculation of the step up ratio needed to reach 6.0mV output. 
Soundsmith dl103r vs. Dynavector 17d3 ruby ?
I compared a ZU DL 103R with a ruby cantilever and line contact stylus retip from Soundsmith to a Dynavector 23R with Ruby Cantilever. I have not heard a 17D2 with a ruby cantilever. I must say that the ZU DL-103r with the soundsmith ruby cantilev...