boothroyd

Responses from boothroyd

Voltage mode vs current mode phono stages
lewm, I would reach out to PL for clarification. FWIW, he was using a Loco with one of his LOMI pickups when he indicated the results were very encouraging as long as proper cables were used.  
Voltage mode vs current mode phono stages
@lewm  My question was more about the effect of MI inductance on cartridge output impedance as frequency increases and how that affects the efficiency of current drive. Seems like a question for PL. I would pose a similar inquiry for J Carr to... 
Voltage mode vs current mode phono stages
@lewm "Suitable" = very low capacitance, I assume.  Please excuse my ignorance and technical understanding, but I have a strong opinion that the + & - cartridge signal paths should be as similar as possible. Such a belief shuns any use of... 
Voltage mode vs current mode phono stages
@lewm  Have you tried to drive a current mode phono stage with an SS LOMI? While I have not, Peter explained to me that he is quite impressed with the results as long as suitable phono cables are utilized - something which I’ve often tried to ... 
Voltage mode vs current mode phono stages
SoundSmith  
Cartridge Loading.....Part II
Sort of makes a good argument for transimpedance as the initial stage of a phono preamp . . .  
Voltage mode vs current mode phono stages
Maybe some CH Precision owners could join in? Their reference phono stage allows for both voltage or current gain situations by featuring an array inputs which are easily user optimized. From the info I’ve gathered, the 10 ohm or lower LOMC Curr... 
At33ptg II perfect straight out the box
@sandthemall , as it has been thankfully stated elsewhere: “. . . your direct experience counts of course.” 👍  
VPI unipivot tonearm and AS Smart Tractor
On VPI unipivots, I like to remove the armtube and align the jig directly to the unipivot point.   Use painters tape to secure platter etc. from any movement before removing the pointer beam (?) and reinstalling the armwand for cartridge alignmen... 
Every day I see another turntable recommendation...
Very true @pindac and well stated!  
Every day I see another turntable recommendation...
+1 @photomax  I see the same thing with Technics tables: some forum guys will completely dismiss modern DD Technics tables because of their experience with “cheap DJ tables” from when they were in college 40 years ago… I realize many are repul... 
At33ptg II perfect straight out the box
Listening to a fresh AT33PTG/II running into a Sutherland Loco right now. Works very well as a 10 Ohm impedance cartridge with plenty of gain and drive. With a new out of the box setup, I‘ve got a Jelco TK850S headshell that’s fairly parallel and ... 
Help me pick a new turntable
+1 👍 The cartridge is a dumb vibration measuring device. It can not distinguish vibration from the record versus vibration from anything else like the truck driving down your street. The plater, tonearm and cartridge need to be totally isolated ... 
recommendation for phono pre amp and mc cartridge, around 1000$ each
is there any advantage to a low output Mc compare to high, or mid? With a transimpedance or current input phono stage such as Sutherland’s TZ Vibe, the lower output MC cartridges typically exhibit a lower internal coil generator impedance which... 
recommendation for phono pre amp and mc cartridge, around 1000$ each
Audio Technica AT33PTG/II with Sutherland TZ Vibe 🎶 Run with twisted pair cable terminated with RCAs is ideal even though the latest Locos use RCA inputs which even accept Rega wiring schemes.