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Full Range

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Everything posted by Full Range

  1. Full Range
    Inside the port tube from the front - so if the mod did not work, the air bags would be easy to remove At first tried to roll 3 of them together but only 2 would fit So in the end I placed 2 rolled together and placed in length wise snugly and the other one followed across and delicately squeezed in so it fitted snugly The previous owner had made some foam disks to fit inside the port tubes - they were reused Here are a couple of photos to view
  2. Full Range
    Hi mdross and welcome Let me introduce myself - I am the current owner of these speakers I have made some tweaks to the bass box to suit my components and the listening room Let me just answer a question you posted above regarding the access hole in the dog box - as you are building a custom cabinet you will still require the hole as it's your only way to fit and remove the bass driver And if you want a listen you need to come to Australia I proceeded to rework the insulation inside the bass cabinet section The previous owner Sootshe had it fully lined with fabric covered fibreglass insulation This was carefully removed and vacuumed cleaned to give me a blank canvas to work with Sound testing without insulation was first tried to get a ball park idea of what was required and it displayed some reverberations in bass output I used my go to motor room insulation that I have had success with on my other speaker builds The only sections that were insulated was the - sides, back and top ceiling area with the bottom and front left bare Also a couple of insulation strips at the port pipe entrance and finally added recently some 400mm X 200mm plastic air balloons 3 per tube The diference this mod has done to bass delivery and definition is nothing short of amazing I dont have any testing equipment My ears and senses tell me that it easily gets to below 30 htz ( The Crites bass driver is rated @ 26 htz ) However after the cab tweaks - the bass produced is so crisp & fast, very defined without muddiness Hope that helps
  3. Full Range
    Welcome and stay a while P.S. I am a newb as well
  4. Full Range
    I won't disappoint you on this question Yes I still have my Nakamichi 480 cassette player that I purchased new in the late 70s And will post a photo when I can I will also get one of the 3 turntables set up for its modelling debut
  5. Full Range
    This thread is placed in personal music systems The heading and intention of this thread was to showcase your system If the mods want to move this thread then they can do so If not how about posting a photo and showcase your system
  6. Full Range
    In the photo above it shows the Volti type braces but at a later stage the side walls and back were doubled in thickness and the Eliptrac 400 installed My tube amps are hand made by Earle Weston of Weston Acoustics in Australia Both carry the serial number #1 The top unit is the amp - This amp is called the Tweaker because it is purposely made to be tube rolled It can operate with 4 deferent tube types and is biased manually for each tube type All transformers are hand wound and also operates in switchable pentode & triode modes Internal wiring is silver Max A class watts is 14 W pc using the KT88 Tubes The lower unit is the pre amp - it is the only one in existence It's a Prototype 6SN7 Tube pre amp and TDA 1541 NOS DAC Earle's description in a nutshell it is a Tube preamplifier running a directly coupled 6SN7 driving an output transformer with a OEM TDA1541 DAC board on one of the 4 selectable inputs. The pre-amplifier acting as a gain stage and buffer for the DAC. It runs three RCA inputs, then the digital section with momentary toggle switch and LED's that allow you cycle through USB, Optical, SPDIF and I2S inputs. Specs on the tube section are Distortion at full volume > 0.06%. Frequency response +/- 0.25db 20hz to 50khz. Signal to noise ratio >90db. Hum at zero volume 0.15 millivolt. Output impedance 80 ohms
  7. Full Range
    Although I have been building speakers for over 20 years these are not my work They were purchased from another member - However I have contributed to his work by fine tuning & tweaking Here is some of the build details if your interested https://community.klipsch.com/index.php?/topic/108425-la-scala-bass-reflex-mod/
  8. Full Range
    The ALK crossovers have attenuators that are used to fine tune the system Having tried the tweeters is several positions the best sound is from a slight downward angle at the rear of the mid horn box
  9. Full Range
    Taking the opportunity to start a new thread Showcase you're system as it stands now Nothing stoping you from posting regular updates as new equipment is installed My system as it stands now ( I do apologise that the turntable was not ready for these photos )
  10. Full Range
    Thank you A lot of credit should go to the previous owner and KC member My contribution is some fine tune tweaks inside the dog box and bass box, also crossovers and hookup wire Just today I installed some Duelund cast silver resistors on the crossovers
  11. Full Range
    Now those are some right proper knobs, if you ask me. Although easy to find volume skirt knobs You have no idea how hard it is to get those knobs with an arrow to be used as a select switch Found some in England after looking on and off for 2 years
  12. Full Range
    I like the flying man in the background Would like to see how much water splash that belly flop created
  13. Full Range
    Yes it is currently 3 way
  14. Full Range
    And sounds great
  15. Full Range
    That will fit nicely on the La Scalas Just wondering if any side by side testing has been done of the 400 & 240 If so - Can you share your impressions Would it suit larger or smaller rooms or all room types I will be reusing the current GPA 399 mid driver - not the one you noted earlier in the thread
  16. Full Range
    A couple of photos of the ALK Crossovers First the pimped out universals - ( not my work but the previous owner ) And below the AP12 split system .
  17. Full Range
    Taking some snaps of the system I have changed and matched on both amps the volume / select knobs
  18. Full Range
    Congrats I currently own and use two ALK crossovers 1) The Universal - a little pimped out 2) The AP12-600 + AP15-6000 Crossover Networks ( gental slope ) I like the fact that one can use the attenuators ( both mid range and tweeter ) to fine tune the driver output for best outcome
  19. Full Range
    I like how this photo of a toy turned out Simple but sharp
  20. Full Range
    I can see the difference in the 2 sizes What are the actual measurements for fitting into the box casing I am seriously contemplating getting the larger size if it's available in kit form, as an upgrade to the 400 Should also compliment the designer and maker of this horn type as it gives me so much listening pleasure
  21. Full Range
    In the crossovers I currently use The capacitors are a combination of Sonicap & Jensen Superior However I just ordered 2 of the new Duelund cast hand made 10r10W resistors to give them a try
  22. Full Range
    Jupiter Capacitors also make wax in paper and are highly thought of in audio circles You will need to see if they make value you require http://jupitercondenser.com/Audio-Series-Capacitors/audio-series-capacitors.html
  23. Full Range
    These are the drivers that are paired with the 400 Eliptrac horn on my separate La Scalas http://www.greatplainsaudio.com/downloads/399series.pdf .
  24. Full Range
    Exposure time is important in night photography In these shots I tried to get emphasis on the glass and the inner light assisting
  25. Full Range
    On a similar note I purchased an SD card - one of those fast SDXC -128 gb Computer would not read the card no matter what I did or tried I eventually found a fix on the Windows site - all that was needed ? A driver or a recognition patch From then on all worked fine
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