spinorama

  1. ambition

    question about spinorama——the effect of the high frequency

    When I used spinorama to evaluate the sound quality of the speaker, I found a problem, when the lower the high-frequency response of a device, the higher the LFX, and the higher the SM , which leads to some high-frequency obviously defective devices, using spinorama can evaluate higher scores...
  2. ambition

    How to understand Narrow Band Deviation?

    Can anyone tell me how to understand Narrow Band Deviation? I've been studying this paper recently:"A Multiple Regression Model for Predicting Loudspeaker Preference Using Objective Measurements: Part II - Development of the Model",authored by Sean E. Olive. In this paper, there is a formula...
  3. AsciLab

    Differences in Klippel NFS Measurements Based on Enclosure Thickness and bracing

    I plan to compare measurement differences using the Klippel NFS based on wood thickness and the presence or absence of bracing. Three different boxes will be used for the test. The drivers to be tested are the SB Acoustics SB17nbac and the test boxes are currently complete, and measurements will...
  4. AsciLab

    AsciLab speakers are about to launch

    We are about to launch a new line of speakers designed using Klippel NFS. The initial lineup is as follows: AsciLab C5B Specification - 2-way Bookshelf Speaker - Dual Passive Radiator - 1" Alumina Ceramic Dome Tweeter with Custom Waveguide and Phase Plug - 5" Alumina Ceramic Woofer - LW 4th...
  5. TasTinker

    DIY spinorama turntables

    With discussion in various development threads on DIY spin turntables I'm picking up on Rick Sykoras suggestion and starting a thread for DIY turntable build ideas. Most use one of the various furniture dolly offerings. Here's a different approach I took using a bolt on front wheel bearing...
  6. Blumlein 88

    Spin-o-rama for synthetic Bipole and Dipole speakers?

    So we don't have many spins for dipoles and bipoles. Panels more or less don't fit in the Klippel. So I am wondering if some of you folks can take the data from Amir's tests and show the resulting directional plots and response for in room results along with what Harman score such a thing...
  7. sigbergaudio

    Sigberg Audio SBS.1 Active speakers: Full measurements (Spinorama)

    Disclaimer#1: Klippel measurements from us (the manufacturer), not independent measurements. Disclaimer#2: Cleared with moderators that it would be okay to post this thread for specific discussion around the measurements and technical aspect of the speakers. For discussions related more...
  8. mfaughn

    SPINORAMA vs Subjective

    I'm guessing this has been discussed before here but my search Kung-Fu is apparently not up to snuff. I'll frame this question as follows: The spinorama.org rankings show that, with EQ and Sub, the $100 Polk XT15 and $75 Micca RB42 perform slightly better than the $5000 Dutch Dutch 8C. I'm...
  9. M

    Paradigm Millenia LP 2 Review & Measurements

    I had been looking for a low-profile center channel for a while. The Kef T301c was very disappointing, though the Revel C10 looks good--it's simply deeper than I was targeting. The Paradigm Millenia LP 2 retails for $549. The speaker is solid feeling and only 1.75" deep. It has the...
  10. M

    JBL Control X Wireless Measurements & Review

    The passive version of this speaker was measured and reviewed here: https://www.audiosciencereview.com/forum/index.php?threads/jbl-control-x-review-indoor-outdoor-speaker.24852/ I noticed JBL made a wireless version of this speaker and thought it would be interesting to measure. It is now...
  11. P

    Spinorama and data analysis of FBT Promaxx serie

    Data analysis of FBT Promaxx serie FBT Promaxx are PA speakers which are optimised for high output. They are active, relatively cheap, easy to get and have an internal DSP. FBT is nice enough to provide a lot of datas for these speakers. Typical use cases are small gigs, your garage, your garden...
  12. P

    Spinorama for the brand new JBL PRX900 serie

    JBL PRX900 are PA speakers which are optimised for high output. They are active, relatively cheap, easy to get and have an internal DSP. JBL is nice enough to provide a lot of datas for these speakers. I used the data to generate the spinorama and derive some information. Here is the...
  13. sweetchaos

    Wharfedale 12.1 Bookshelf Speaker Review (by EAC)

    This is the 5" woofer version that retails for US$450/pair. Erin's review: https://www.erinsaudiocorner.com/loudspeakers/wharfedale_12_1/ Update: Video review --------- Yes, this the same model that Amir reviewed...
  14. sweetchaos

    ELAC Debut 2.0 B6.2 Bookshelf Speaker Review (by EAC)

    These retail for US$300/pair. Erin's review: https://www.erinsaudiocorner.com/loudspeakers/elac_db62/ update: video review --------- Yes, it's the same one Amir reviewed previously...
  15. sweetchaos

    Focal Alpha Twin Evo (spinorama by SoundAndRecording)

    SoundAndRecording today posted the spin for Focal Alpha Twin Evo: Which retails for US$650/each. It has dual 6.5" woofers. I appreciate that SoundAndRecording started posting the CEA-2034-A graph along with their normal graphs: The rest of their graphs: Discuss!
  16. M

    Deciphering Ascendo CCRM10P CEA2034 Measurements

    Can someone tell me if this speaker measures well; and based on directivity index, will it EQ well? Considering these for front LCR’s behind AT screen. Thank you
  17. sweetchaos

    Polk Monitor XT speaker reviews (posted by Erin)

    Thanks to @hardisj for reviewing Polk Audio XT speakers. XT35 center: US$300/ea Preference Score (according to Erin) is 3.9 Preference Score (according to Pierre) is 3.8 XT30 center: US$200/ea Preference Score (according to Erin) is 3.6 Preference Score (according to Pierre) is 3.4 XT20...
  18. dominikz

    Genius SP-HF3000A (discontinued) powered PC loudspeaker measurements

    This is a quasi-anechoic spinorama measurement + internal amp measurements of the Genius SP-HF3000A (discontinued) powered PC/multimedia loudspeaker. It is quite an old product and there's not a lot of data available about it online anymore - here's one link with some very basic information. 10...
  19. dominikz

    Revel M16 - quasi-anechoic spinorama and misc measurements

    This is a quasi-anechoic spinorama measurement of the Revel M16 passive bookshelf speaker. Although this speaker was one of the relatively early ones measured in high precision using Klippel NFS in a review by @amirm (link), I figured it is always nice to have another independent data point so I...
  20. dominikz

    Neumann KH 120A - spinorama and misc measurements

    Hello all, This will be a summary of (many :)) measurements I did with the Neumann KH 120A that I recently purchased. The pair were manufactured in 2013 and sport the older, IMO slightly industrial looking finish: A few notes on measurement methodology: The loudspeaker has been measured at...
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