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Ken Arrowsmith

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    Australia
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    Perth

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  1. Great to have all your feedback, I originally posted this as I am trying to help out a friend on this project. I had better let him know and if he is amenable I will provide a lot more detailed information, I appreciate it is difficult to help out without all the info.. Cheers, Ken
  2. Brian, thanks for taking an interest.. As I recall you are correct the measurements were taken 1m on axis to the tweeter.. are you implying the measurements should be on axis for each driver? That would make sense to me. How then do we measure the two paralleled mids....? On the tweeter axis would be equidistant from the centre of the two cones...? Any advice appreciated. Ken
  3. @Brian, the miking was 1 m on axis, 2.83 volt signal. @davewantsmoore, this confirms my interpretation thanks. How would this come across aurally compared to in phase...? Reversing the woofer contacts and then smoothing out the summed response should put the two drivers back in phase? Thanks, Ken
  4. The snapshot that hopefully appears with this post is a work in progress for a WMTM tower loudspeaker. Any constructive feedback on the frequency response would be appreciated. I am a little concerned that the curve for the mids runs higher than the total response perhaps indicating cancellation with the woofer. Is this a big problem? Thanks Ken
  5. Welcome Jens, plenty of vinyl enthusiasts here...
  6. Hi, The tubes are 6C19Pi, the amplifier topology is "Output Transformer less" ie: No output transformer at all. The valves couple directly to the output. I do not think "single ended" is relevant in these circumstances. You can read all about Bruce Rozenblitz designs on the Transcendent Sounds website. Kind Regards, Ken
  7. Item: Transcendent Phono Stage Location: Attadale, Perth WA. Price: $500 Item Condition: 9/10 no obvious blemishes Reason for selling: No Longer Required Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: Approximately seven years old and used on rotation with others in my main system. Strongly prefer to sell as a package with the grounded grid preamplifier and OTL power amplifier (see my other ads). This is suitable for MM cartridges or high output MC (as I use), I may not be too disappointed if no one buys this unit, I really love it. Prefer a local sale and will demo for interested buyers. Will ship at buyer's expense. Pictures:
  8. Item: Transcendent 1.5 W OTL power amplifier Location: Attadale, Perth WA. Price: $500 Item Condition: 9/10 no obvious defects Reason for selling: No Longer Required Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: Approximately seven years old and used on light rotation in my main system. Very quiet and incredibly transparent this amplifier rocks the room with my 103 dB/1W/1 metre speakers. Strongly prefer to sell as a package with matching phono stage and grounded grid preamplifier (see my other ads). Prefer local sale and will demo for interested buyers. Will pack and ship at buyers's expense. Pictures:
  9. Item: Transcendent Grounded Grid Preamplifier Location: Attadale, Perth WA. Price: $500 Item Condition: 9/10 I cannot find any blemish. Reason for selling: No Longer Required. Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: Approximately seven years old and lightly used on rotation with others in my main system. Strong preference to sell as a package with the matching phono stage and OTL power amp (see my other ads). Prefer local sale and can demo for interested buyers. Could ship at buyer's expense. Pictures:
  10. Welcome Paul, I fear the downsizing issues are in my near future too! Enjoy the forums.
  11. Hi George, Lots of very informative content available here, enjoy..
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