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About 1995Tercel

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    Junior Member
  • Birthday 07/01/1989


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    SW Utah

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  1. 1995Tercel

    Bass track thread!

    My short list for bass is... Bass Mekanik - Make It Drop 0:48-1:17 and 2:25-2:45 good luck to your subs Truth - come with me (heard Truth in concert, rig was 36!!! dual 18s and 4 26 inch servo drives, and they blew the servos out after his set, freaking changed my life, I was just kneeling in front of a huge pillar in the middle of the venue, constructive interference was making me gag, and I couldn't breath, had to take frequent breaks. LOUD) Truth- madman ft. flowdan Abstrakt sonance- dem vibe (would have uploaded this, but the FLAC file by itself is larger than the 48MB limit Savant- keep it gangsta Savant- no time for p**y (same with this one, I only have it in FLAC) Bass Mekanik - Make It Drop.mp3 5464841_Come_With_Me_Original_Mix.mp3 5464842_Madman_feat__Flowdan_Original_Mix.mp3 keep it gangsta.mp3
  2. Yeah I definitely have to look up what all the abbreviations mean. Almost none of them match the units on the Sundown Spec sheet for the sub. Ah makes sense. I'll try to keep this project simple. By cabinet shop, do you literally mean kitchen cabinet place? Would I supply the wood?
  3. Thank you for your response. I downloaded hornresp, there is a learning curve to say the least. The batting wont help with any of the harmonics below a certain Hz? Even thought my sub box will have a low pass filter (i think thats what it's called) won't it still produce multiples of the 39hz Fs that are problematic? I am currently trying to find a woodworking shop (or audio shop) that will rent me their space on the weekend to work on the box, still no concrete dimentions. I'll try to document my progress once I start. So would your box be a modified horn, because it has the chamber behind the sub? From my elementary understanding, doesnt the parallel wall directly behind the sub load it with air and create many resonances? Beautiful finish on that box, what kind of wood/stain/sealant/wax? What's the box underneath the subs? Mid drivers in an enclosure?
  4. Vehicle : 2000 Honda Insight Location in the vehicle: Terminus output behind driver seat, subwoofer facing rear of the car, under the package shelf Space available (Length x Width x Height): Depends on what design I end up with, I'm going to try and fit the box we come up with. Subwoofer make and model: Sundown Audio SA-8 V3 Subwoofer Size: 8inch Number of Subwoofers: one Amplifier make and model: Sundown Audio SAE-600D Type of Port (Kerfed, Slot, Aero, etc.): circular What type of music do you like?: all Is your goal SPL or Everyday Music?: Goal is maximum extension (minimal Db taper past 20Hz), zero resonance, perfect bass. How loud the system gets is not a concern for me. Complete focus on quality. Tuning Freq (Hz): I'm not sure, but the FS Hz for the subwoofer is 38.29 Volume : Also not sure Questions: So, I'm attempting to make a straight tline box, but I just don't know where to begin. It is difficult to find practical information on this style box, as almost every single box i see, is done incorrectly. I also cant rely on calculations for those boxes, for the same reason. Many boxes I see have a parallel wall opposite the subwoofer (on top of zero sound deadening, with all parallel walls) which is all very poor design. Just so people helping me are on the same page, Tline boxes exist to reduce or eliminate resonant frequencies, should be tapered wall, terminus output port 1/3 to 1/4 the area of the subwoofer radiating surface area, the first half of the transmission line lined with TL (not sure what this acronym stands for) second half filled with BAF Wadding. (If I'm wrong on this, please correct) I will also attempt to fit the box without compromising the design, so no internal turns or baffles, just straight. 1a. I think I need a bass chamber, that is 1/5th the wavelength distance, but I'm not sure what bass chamber means, what wavelength I need to use, or how to calculate volume of the box. Do I use the 38.29Hz of the subwoofer FS value? (Using that value I get a 1/5th wavelength distance of 69.40in at the calculated yearly average temperature of 50 degrees f where I live.) 1b. What is a bass chamber in a Tline box? Is "bass chamber"just referring to the overall structure of the box? 1c. I have read that I need to add a small distance to the overall length of the sub box to accommodate "end correction." How do I calculate this distance? This is another critical aspect, as the proper amount greatly increases low end extension. 1d. How do I cancel out the 3rd fundamental harmonic? the 5th one is done with the proper calculation of 1a. 2. What is the radiating surface area of my sub? I contacted Sundown audio, they just told me its 50.24 square inches, which is simply using a full 8 inch radius. I am very skeptical of this, as I've read this can be significantly different actual area among different subs. I need the exact area, because the port on the opposite end of the box needs to be between 1/3 and1/4th the area. 3a. How do I know what volume to use for the entire box? 3b. How do I calculate this volume? 3c. Are there separate volumes I need to calculate? Or is does this box simply taper from the subwoofer to the port? Thank you for your assistance and expertise.
  5. 1995Tercel

    300dollar amp and (self) install budget recommendations

    Welp, thanks for your help everyone, just pulled the trigger on Rockford Fosgate Prime R400-4D $162, RFK4 $63, and NVX XIV46 $22, will I need to order anything else? I have 50 dollars left over. I think I need some butt connectors or something, I don't want to redo my door speakers.
  6. 1995Tercel

    300dollar amp and (self) install budget recommendations

    Welp, thanks for your help everyone, just pulled the trigger on Rockford Fosgate Prime R400-4D $162, RFK4 $63, and NVX XIV46 $22, will I need to order anything else? I have 50 dollars left over. I think I need some butt connectors or something, I don't want to redo my door speakers.
  7. Anyone hear from this person? No response, yet. Add says local pickup only, but how hard is taking something to a post office, or even dropping it off at ups, they pack it, buyer pays shipping/packing costs. Oh well, guess Ill be buying a new one.
  8. I think he said he got 155 or 156 or something like that, but I do remember him saying he's putting too much power to each sub, just after my short demo, he's pointed out some smell I couldnt recognize, and he said that was the subs. Whatever db level, its nuts lol
  9. Yup. You know him? He was saying its loudest to match box tuning to free air hz of the subs. I don't know enough to disagree, and it makes sense that the resonant frequency of the subwoofer should be taken advantage of.
  10. Y'all crazy. It's 6 hours later, and my f*****g eardrums still hurt. It was "only 150db" Sorry, no video. https://www.facebook.com/marketplace/item/2152043461724897/ Exhilarating to say the least. the first song he played, the windows were up, and I felt all the pressure in my eardrums, it was very uncomfortable, and even plugging my ears didn't prevent them from slamming back and forth. Second song he played was much more enjoyable, he rolled his window down a bit, and the pressure changed to my body, I could really feel the air moving, and I had a lot more fun. Both songs, I just... really couldn't believe what was happening. The rest of the day, I've felt a 50/50 mix of "omg I want more of that" and "wtf I should run away and never do car audio again lol" Truly the definition of awesome. And he's shooting for 170db in his next vehicle, iirc a walled 6 x 15, each sub getting 12 THOUSAND watts. cuh razy. I do not want to sit in that. Ok, maybe.
  11. What would you do shipped for the RF 300x4 to 84721?
  12. Those wattages are rms? What does EQ the hell out of it mean? Like play with the amp and head unit settings? And for the sealed box, i just go with the volumn the subwoofer specs tell me?
  13. Hello, I listen to bass music, all the way to country, classical, solo instruments, acapella... So I want clear (not loud) textured, effortless bass response, from 23hz up. I have seen graphs of flat bass response (curve is literally a horizontal line from tuning freq up to 150hz) but I don't know if I can achieve this in my space restrictions, nor were the box designs made public. I am new to car audio, and Ive been reading a lot about theory, terminology, and basic anecdotes from people about their setups. What I am struggling to find is information about the practical application of the science of design and tuning a box, picking a specific sub, how to adjust for the volume and dimentions of vehicle cabin, location, and style of enclosure mounting... I have a 2000 honda insight, there is no trunk. The enclosure must be completely hidden. There is a space underneath the parcel shelf, and behind the battery pack, the dimentions are... Width- Left to right 21.5in x Height- top to bottom 10in x Depth- front to back 14in There is a small amount of leeway to squeeze the enclosure in, say an inch all around, if i have to, and 5 more inches available top to bottom if I remove the spare tire. Are there some complicated box designs, say with tube ports I can snake around and keep hidden, or special baffles, or compartments, that will produce the freq response I want in the space I have? I have not chosen any equipment yet. Im sorry if this is a bothersome question to answer, but I just dont know enough about the topic to know if I am wasting my time trying to learn, if what Im asking for is impossible. Thank you.
  14. I'm looking at this setup to complete my budget build... It almost exactly fits my available dimensions. https://www.sonicelectronix.com/item_43397_Rockford-Fosgate-Punch-P300-10.html Many songs I like have bass that is all under 35hz. Does this disqualify the P300-10 since it has a frequency response of 35-150 Hz? Im not looking for loud, just looking for good clarity that can be heard over road noise on the highway. Vehicle is a 2000 Honda Insight, location is behind the battery pack, under the package shelf, and above the spare tire. Thank you
  15. 1995Tercel

    300dollar amp and (self) install budget recommendations

    Is there a sound quality deficit going with a boosted rail amp? This is the punch series, and really small, but I don't want to have any worse clarity than I have now (its not great, especially in mids) and I've read that caps can be bad for sound quality. https://www.sonicelectronix.com/item_34758_Rockford-Fosgate-Punch-PBR300X4.html