dover

Responses from dover

SUT - electrical theory and practical experience
My point about conjugating the imaginary (reactive) impedance of the cart is to cancel out any inductive or capacitive reactance so the cart sees a purely resistive load which will give the flatest frequency response with no peaking at high frequ... 
SUT - electrical theory and practical experience
For some years in my system the active high gain phono stage came with a 100 ohm input resistor and through all those years I had not any single trouble ( that I been aware of. ) with several and different LOMC cartridges that I owned and own. ... 
Best Alignment Protractor?
@cleeds  As I said I have an Eminent Technology set up jig ( protractor ) that locks to the turntable spindle and bearing housing on the arm. It has a scribed line to set the stylus tip to. It is very accurate. http://www.eminent-tech.com/techsu... 
Best Alignment Protractor?
Parallel tracking arms also require alignment. Azimuth, VTA/SRA, overhang. No overhang on a linear tracker. My Eminent Technology "protractor" is clealy more accurate than for any pivoted arm I have seen - you align the stylus to a very fine s... 
SUT - electrical theory and practical experience
@pindac  You do realise that everything can be demagnetised , including the phono, preamp stages and power amps - all with subtle gains. If you are going down that road, to the nth degree, - have you checked all your electronics for polarity ( r... 
SUT - electrical theory and practical experience
@intactaudio  One "gotcha" many people run into is dynamically overloading the input of the phono.   With the current trend of higher output cartridges like the Atlas being paired with the typical 1:20+ SUT intended for LOMC's I see this type d... 
Grado Epoch 3
@dogberry  Well done - my philosophy is if one has made no mistakes, then one only knows half of what they should. It's a good reminder that the cutting angle of records can be all over the place - hence pays to use a few well known records to d... 
Dynavector XV-1s What is the REAL story?
@labpro  Well done - a great example of just chipping away rather than throwing the baby out with the bathwater. The most rewarding systems are built with careful matching and set up rather than wholesale changes.  
High Performance Low Mass Tone Arm Suggestions Needed
Moerch DP6 is the obvious arm if you want low effective mass - the 9" green dot arm tube is 4.5g effective mass and the red dot arm tube is 7.5g effective mass.    
Grado Epoch 3
I asked Grado about the proper load. Their position is that MM and MC settings are false and foolish. That the only way to set the cart is to try different settings to find which sounds best. Quite right. It has nothing to do with MC or MM -... 
Grado Epoch 3
The resistive loading is pretty much like a tone control that tries to flatten the response curve. 47kΩ lets the high notes predominate, so the cartridge is detailed but scratchy. Only in your system. At 47k the cartridge is flat - so you eithe... 
TechDAS Reliability vs SME
@chauncey  I've had both the Sota and SME 20 in house. The SME 15 would be a downgrade, the Sota is on a par with the SME 20. If you want SME you really want at least the 20/3 or a 30. The Techdas is a rehashed Micro Seiki 8000 - which some stil... 
Grado Epoch 3
@audiofun  Great review. I do have some suggestions for you to consider - The technics will hold the London Reference and is having the bearing replaced with lab grade saphires. In my view you would be better off with silicon nitride balls. T... 
Dynavector XV-1s What is the REAL story?
@labpro According to the dealer, it’s best to have a cartridge with a lower direct current resistance (DCR) than the SUT. The XV1s is 6 ohm and the T2 SUT is 15 ohm (the A23 T1 is 2 ohm). That being said, no harm in trying the T1. Thanks for th... 
Dynavector XV-1s What is the REAL story?
after careful set up ( Smartractor for alignment and microscope for VTA)  I have 50 hours on a new Dynavector XV1s. Using TW Acustic Raven and TW Acustic 10.5 arm. SUT is an Auditorium 23 T2, the correct SUT for this cartridge according to the d...