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  1. keithp

    High Fidelity

    This budget contains tax increases to raise an additional R15 billion in 2024/25, predominantly through personal income tax by not adjusting tax brackets, rebates and medical tax credits for inflation. Tax revenue for 2023/24 is R56.1 billion less than estimated in 2023. This shortfall is...
  2. keithp

    OMA / 15" electrodynamic field coil woofers.

    The special combination of transducers used in the Ironic- a 15" electrodynamic or field coil woofer used in Juke Boxes from the 1930's, of which we have 20 restored examples, and the bleeding edge custom ribbon tweeter, which is 110db at 10khz, 1m, combine to make an open baffle speaker of...
  3. keithp

    Autoformer? isolation is a 'transformer' Why?

    Her' 'GrandMasters' Point of question is why would a modern manufacturer of class-AB amps introduce a 'primary secondary' windings to then load? Of course there's an inefficiency factor or loss in energy transfer is not an issue in respect to resultant 'load impendence balancing' we also see...
  4. keithp

    Could some of Heaven exist on Earth?

    Might just be so in the form of rather a large shoppe that does something very different, Americans truly do live in a different space.. do proceed with caution, should invoke deep emotional sensations. OUR PROCESS We don't "flip" equipment. We add value though our lengthy test and acceptance...
  5. keithp

    ARC LS16 MKII valve/hybrid Pre-Amp ?

    Hello gents, May i ask would this brand/model of 20 years old built with the highest grade parts back then still be today 'high space performer' or 'relevant' regards performance bar being able to afford a newer Reference3/5 type model within 10 years of age? Most know of this brand but very...
  6. keithp

    SEAS H1515 5.5" drivers?

    Morning Gents Would anyone perhaps be familiar with these drivers apparently are used on Jamo R 907's, can't find a thing on the internet for H 1505/h1505/h1505-08 or 04/06 Just using the word driver AI thinks i'm talking about HP inkjet software or weather, AI will be the death of us all one...
  7. keithp

    What on Earth is a 'Sealed Bruiser' ?

    REL HT/1510 Predator II Subwoofer 99Lbs is 44.9Kg Suitable 3000~5000 cubic feet is 89~141 cubemeter *REL acclaimed to be 'fast & tight" $1900 no DSP but AV sub-out can be applied or maybe also properly with DSP/R5k solution like DEQ2496 if in AES/SPDIF chain only to achieve some aphile level...
  8. keithp

    M&K Subwoofer Reintroduced Into Market? vs Value

    Hello GrandAudioHeads Context here is any speaker that can reproduce low frequency 'properly' could be the correct word is regarded as 'real-estate' -obviously because of weigh & high power requirement yet super expensive particularly in ZA for us. Why is this, well i'm trying learn by example...
  9. keithp

    FiiO IEM cable accessories from where?

    Hello Audioheads. I thought i would never get to this point where i can no longer purchase a FiiO IEM accessory cable in SA. To the point can anyone recommend from which site &courier/carrier has been used please? Below a re-spawned post if you are a owner of FH5/FH7 is a specific grade of...
  10. keithp

    Adam S-Series DSP Monitors

    Unable to find anything on this forum related to active monitors classified as studio monitors, has much to do with hi-end fidelity incorporating active symmetry DSP time phase alignment etc has it's place from Audiophiles to music production, same family. Discovered today there are few S-Series...
  11. keithp

    Vinyl - a mis experience in life?

    I often become heartfelt with the thought i lost through storage an Ortofon cartridge if i remember correctly was marked MMC, long slim around 60degree was a combination of MM & MC topology, had a hollow sapphire cantilever with appropriate industrial diamond from the 90's era, an OEM device to...
  12. keithp

    MMCX Loose Connection FiiO FH5 IEM Solved

    MMCX Loose Connection FiiO FH5 IEM Solved with 50cent ID4mm O-ring This subject pertains to the following cable replacement: FiiO-LC-2.5B-MMCX-2.5MM BALANCED When i installed this i noticed a 0.7/0.8mm gap vs the stock unbalanced cable, but the connector swiveled loose, i tried a ID3mm (1mm...
  13. keithp

    Boston HD7 Surround Replacement in SA?

    Hi Gents, Are there any services/surrounds that can replace the foam in SA? I could do the repair myself generating a LF signal to align the coil but have never attempted this before. I'd prefer to send the drivers to someone with experience, as these are not mine. Surround outer 6.625" 168mm...
  14. keithp

    Pentacon 4.4mm Male Jack

    Good Day AudioHeads, Anyone have knowledge of where i can purchase these connectors from overseas and which courier was used. Thankyou in advance. Keith.
  15. keithp

    HEDDphone in ZA

    >Thought this may be pertinent for some Audioheads in ZA. I was fortunate to receive the HEDDPhone/s from Germany SA dealer of HEDD studio products. Concept Open over ear headphone with Air Motion Transformer Efficiency 87 dB SPL for 1 mW Impedance 42 Ω Connector Mini XLR >Don't fright when you...
  16. keithp

    AES 110ohm twisted pair shielded cable in SA?

    Good Day Gents & Ladies, In short: Looking for AES 110ohm twisted pair shielded cable in SA. I only need 10m or two 4/5m lengths either made-up or i can solder myself. ____ Simply need to connect DAC AES/EBU-AES3 out 4m lengths. *I only require genuine 110ohm twisted pair+shielded not the...
  17. keithp

    PS Audio New Speaker Designs

    Super informative four part series by Paul, design building on late Arnie Nudell's legacy. PS Audio new speaker designs, these blokes like servo feedback driven subs like used in the Infinity RS5's https://www.youtube.com/watch?v=pqVQQZMfsaQ
  18. keithp

    McIntosh C70 vs PS-Audio BHK Hybrid

    Interesting interview from those privileged in Canada. Takeaway is the C70 appears far more dynamic, larger and a more articulated sound stage they describe. https://www.youtube.com/watch?v=xe2fz1zwBK4
  19. keithp

    FiiO Q1 MK-II DAC-OTG Mic Usage?

    Hi Has anyone had the opportunity to use this portable DAC with 'on the go' cable+Mic 3.5mm TRRS 4-pole/segment 2 standards exist? |Gnd|Mic|R|L |Mic|Gnd|R|L Not a Win10 issue, OS just says no 'mic' detected. It's a portable compliant device meant to connect to IOS/Android or Windows PC...
  20. keithp

    Digital Audio on VHS in 1981:The Technics SV-P100

    https://www.youtube.com/watch?v=WVDCxTtn4OQ Before the CD came out, you could record your own digital audio - on video tape. Have a look at a HiFi unicorn, the Technics SV-P100 - the first integrated digital audio tape recorder. In this video you'll get a demo and hear about the history of PCM...
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