Introducing the Phono Cartridge Measurement Library

[aaaakkkk]

KOPBET-108 (Korvet-108)

Notes

Cartridge: KOPBET-108 (Korvet-108)
Stylus: FGII
Cantilever: Berillium Rod
Stylus condition: unknown over 300hrs, very worn, front profile - chisel.
Contact spot: 11x40mkm
The stylus manufacturer claims a service life of about 3000 hours
Test record: CA-TRS 1007
Turntable: SONY PS-X800
Tracking force: 1.4g
Phono stage: PSII
Capacitance: 130pF

 

[aaaakkkk]

Empire 1000 ZE/X + Astatic 0,2x0,7

Cartridge: Empire 1000 ZE/X
Stylus: Elliptical 0,2x0,7 (Astatic)
Cantilever: Aluminium
Stylus condition: New.
Test record: Ortofon-TR + adjusted to CA-TRS 1007
Turntable: SONY PS-X800
Tracking force: 1.6g
Phono stage: PSII
Capacitance: 130pF

 

[VinyLuke]

Can you share a plot there the true channel balance is shown

How to do that?

 

[Thomas_A]

Shure V15 III with Jico SAS/B

View attachment 343469

Notes:

• Shure V15III L-M in wooden housing
• Turntable: Technics SL-1210GR with KAB Fluid Damper
• Headshell: Technics TPBAA201 (stock)
• VTF: 1.25gr
• Phono stage: HusaRIAA v2 (http://tinyurl.com/45ke55cx)
  • ~240pF (set at 147pF)
  • 42kΩ
• Cable capacitance
  • 85pF (measured total tonearm+interconnect)
• ASUS PRIME B660M-A Line In and Audacity
• Clearaudio CA-TRS-1007

I don't know why Crosstalk is like that @1kHz. I can provide files if someone wants to investigate.

Looks like a large pop.

 

[JP]

I can provide files if someone wants to investigate.

Please.

 

[VinyLuke]

Please.

Link: https://we.tl/t-fd4l9RNFOW

 

[JP]

It looks like your files are made incorrectly - under 240p, V15-III-L-TRS1007, why is the right channel pilot tone occurring at the same time as the sweep in the left channel?

EDIT - you included the 1k pilot tone and that shouldn't be there. Also the channels weren't swapped for the right channel plot file.

 

[Balle Clorin]

How to do that?

somewhat cryptic but 1 means both files will be plotted relative to the firsts file (0 file LEFT), so that file 0 (left presumably ) will be plotted at 0db at 1000 hz, if file 1 (right has lower level at 1000hz- the red line will be below..0db... The channel difference will show up as a deviation of the red and blue line at 1khz


Just use File0norm=1

 

[VinyLuke]

Empire 4000 D/I

Notes:

• Original D/I stylus
• Turntable: Technics SL-1210GR with KAB Fluid Damper
• Headshell: Analogis HS10
• VTF: 1.20gr
• Phono stage: HusaRIAA v2 (http://tinyurl.com/45ke55cx)
  • ~310pF (set at 220pF)
  • 94kΩ
• Cable capacitance
  • 85pF (measured total tonearm+interconnect)
• ASUS PRIME B660M-A Line In and Audacity
• Clearaudio CA-TRS-1007

 

[VinyLuke]

I tried also the 0 capacitance setting for Shure V15 III 42kOhm and 48kOhm load:

 

[Thomas_A]

I tried also the 0 capacitance setting for Shure V15 III 42kOhm and 48kOhm load:

View attachment 343672

View attachment 343673

Pretty good I would say.

 

[VinyLuke]

And 48kOhm loading for Empire 4000 D/I:

 

[Balle Clorin]

I tried also the 0 capacitance setting for Shure V15 III 42kOhm and 48kOhm load:

View attachment 343672

View attachment 343673

Much more to my preference than the 240pF version, this indivates that I have to redo my Puffin Measurement at low pF

 

[DSJR]

The Shure V15 III, era 4 body and V15V in original form, all used laminated pole pieces which gave a flatter response (like the slit pole Ortofon 'Super' bodies). later on, Shure changed the body to the standard more dated type (V15XMR and I think, the VST-V) which downtilted the response a bit with a subjective 'warmth' rather than dullness as Rega's UK made MM's usually have.

There was a chap on VE who is/was an ex-Shure engineer. He pondered the possibility of resurrecting some of the better designs but sadly, nothing ever came from this. No idea why Shure just walked away from this side as there are thousands of cartridges out there needed decent replacement styli

No means of measuring it, but I have a '6S skeletal body with aftermarket N91-ED stylus fitted (not sold as such but visually that's what it is). Lower compliance than the original,the moving magnet behind the 'hinge' is cylindrical rather than 'diamond shaped' in profile tracking is 1.75g if sibilance is to be avoided but the diamond itself is a delightful elliptical shape (I think it's naked too but need to check as it's some years since I last used it).

You know, the AT 540 and especially 740 are so good and well priced I think it's not a bad idea to consider an upgrade to these? I'm also a fan of the Ortofon 2M Bronze as it's so good in a Rega RB arm and the shape even matches the headshell profile

 

[melloncolliecat]

You know, the AT 540 and especially 740 are so good and well priced I think it's not a bad idea to consider an upgrade to these? I'm also a fan of the Ortofon 2M Bronze as it's so good in a Rega RB arm and the shape even matches the headshell profile

Curious to hear what you find better about the 740 vs the 540...

Introducing the Phono Cartridge Measurement Library

@USER or @mackat What tonearm was used with that Denon DP-80?

www.audiosciencereview.com

Introducing the Phono Cartridge Measurement Library

Is this one frame or a stacking? Stacked 60 images. Bit tedious manually rolling the microscope stage. Worked better than I thought it would.

www.audiosciencereview.com

 

[DSJR]

I know the 120E and 440MLa, but less so the replacements. The German Lowbeats site has measurements and soundbites of these two AT models and it seems the mount is the only real difference (same stylus used in both), th ebody internals rather 'posher' than the VM95 body. The 540 is a lively thing very much like its predecessor but maybe tamed a touch sonically but the 740 seems a touch more 'restrained,' the metal mount I suspect not going to set less rigid tonearms off up top I suspect and the measured responses are in fact slightly different (i thought I could hear this in the soundbites too). the responses of each are slightly different (top model Rega tonearm used in I think a Planar 9). Lowbeats don't seem to measure much if at all any more, but up to this point, they were a good source of objective and fair subjective reviews too I thought. Text is in German but readable if translated

 

[narud]

Stanton 680eee ii-s

-Stanton 680eee ii-s
-stereohedron ii stylus with unknown hours. the top down pic suffers from some pretty bad light flare. contact points looked much smaller through the eye piece.
-2.3 grams with brush down
-str 100
-technics sl-q2
-art dj pre (set to 100pf) 230pf total with cables.
-tascam 1x2

 

[aaaakkkk]

Lyra Delos restored cantilever installation from AT-150MLX

Lyra Delos restored cantilever installation from AT-150MLX
The repair was not made by me.
Cartridge: Lyra Delos
Stylus: Microline
Cantilever: Boron
Stylus condition: unknown, like New.
Contact spot: 3,6x31mkm
Test record: CA-TRS 1007
Turntable: SONY PS-X800
Tracking force: 1.8g (~75mkm)
Phono stage: PSII
Capacitance: 130pF

 

[Thomas_A]

Lyra Delos restored cantilever installation from AT-150MLX
View attachment 344826View attachment 344827View attachment 344828View attachment 344825

Lyra Delos restored cantilever installation from AT-150MLX
The repair was not made by me.
Cartridge: Lyra Delos
Stylus: Microline
Cantilever: Boron
Stylus condition: unknown, like New.
Contact spot: 3,6x31mkm
Test record: CA-TRS 1007
Turntable: SONY PS-X800
Tracking force: 1.8g (~75mkm)
Phono stage: PSII
Capacitance: 130pF

Odd result. Among the lowest distortion I’ve seen but where is third harmonic?

 

[aaaakkkk]

Odd result. Among the lowest distortion I’ve seen but where is third harmonic?-

third harmonic - present on the graph, a little lighter, you can zoom in and it will be very clearly visible.