http://www.dpsinsider.com/forums/forum/ihome-ip1 Bongiovi Acoustics DPS Community en-US Fri, 10 Feb 2012 13:02:41 +0000 http://bbpress.org/?v=1.0.2 q http://www.dpsinsider.com/forums/search.php http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1322 Tue, 20 Sep 2011 17:46:39 +0000 classmaker 1322@http://www.dpsinsider.com/forums/ <p>Listening for crossover... </p> <p>Listening up close to a tweeter, with something like a light baroque piano piece, the program material in the tweeter sounds distorted... maybe clipping? ((Just my old, naked ears, I haven't tried it with a signal generator and oscilloscope...)) But, backing away, it seems to blend well enough with the mids from the woofer, so I'm imagining that perhaps the crossover cutoff ramps must be fairly steep. Whatever it is, it seems to work well enough. </p> <p>Once again, I have to say, from a few feet away...or across the room...it works for me. </p> <p>So, IMO, you guys succeeded in creating a convenient, enjoyable dock at a fair price for casual listening...<br /> Now even better with the new, lower pricing! at <a href="http://www.ihomeaudio.com/iP1C/" rel="nofollow">http://www.ihomeaudio.com/iP1C/</a> </p> <p>Thanks again, from an iP1C junkie! </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1321 Tue, 20 Sep 2011 17:35:02 +0000 classmaker 1321@http://www.dpsinsider.com/forums/ <p>A few observations about iP1 hiss and hum... </p> <p>With no program material, and the volume at max, the 'B' models do -- on average -- seem to be a little quieter than the 'A' models. That could be due to the different shielding on the wires to the iPod/iPhone dock. Each iP1 example varies a bit from the next, so it could be due to cable routing and/or tolerances of individual parts, bias, whatever... just guessing. </p> <p>At max volume, un-muted, and no audio input, the tweeters present some audible hiss, and the woofers hum. Of course, the DPS processing accentuates those, bringing some detail and nuance of hiss and hum to the foreground, LOL! </p> <p>On mute, all of that goes silent. So if the muting is implemented in the preamp stage, then the power amps are indeed, very quiet! If you listen very closely, you can hear some "chop" crosstalk into the signal paths during volume slewing. </p> <p>But, from across the room, it's all good! ;-) Most homes (never mind offices) aren't really that quiet. </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1201 Thu, 08 Sep 2011 18:00:07 +0000 Joseph Beaty 1201@http://www.dpsinsider.com/forums/ <p>Hey Classmaker! This is a very interesting thread. Thanks for all the input and details that you have shared here. </p> http://www.dpsinsider.com/forums/topic/ihome-iw1#post-1151 Fri, 02 Sep 2011 13:27:34 +0000 Joseph Beaty 1151@http://www.dpsinsider.com/forums/ <p><a href="http://www.ihomeaudio.com/iW1BC/" rel="nofollow">http://www.ihomeaudio.com/iW1BC/</a></p> <p>Who's got one already? Who's getting one? Thoughts on this DPS enable product? Let's discuss. </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1121 Fri, 19 Aug 2011 21:02:37 +0000 classmaker 1121@http://www.dpsinsider.com/forums/ <p>PS, I set the iP1's on a heavy table in the middle of a very large room, with the back end of the woofer cans puffing out into space over the back edge of the table. The iP1's ducts are high, and that helps keep them off the surface too. </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1120 Fri, 19 Aug 2011 20:47:52 +0000 classmaker 1120@http://www.dpsinsider.com/forums/ <p>Woof, woof! Ferro's vs Neo's ;-) In a homegrown, side-by-side comparo of my iP1-A-A models, using my "naked ears" (no spectrum analyzers) and a variety of musical material playing out from iTunes on Windows (no signal generators) into a "Y" cable. Here's what I heard: My ferrite "heavyweight" iP1 sounds a little cleaner in the low end than the neodymium "lightweight" iP1's. I ran them with and without the DPS (B) engaged. The neo's seem to add a bit of color--just a hint of a boomy peak--somewhere in the low registers...more noticeable while listening to group with an upright bass, for example. </p> <p>My simple hunch is that the massively-smaller magnets have left a bunch of extra airspace unoccupied inside the cans, and the larger volume drops the resonant freq. The woofer cans and ducted ports look identical from the outside...and I'm assuming only the magnets have changed (probably same coils and cones). Anyway, it's just a hunch. And I'm not complaining either. They all sound pretty good. </p> <p>BTW, I think the "neo" super-magnets are great, and a "featherweight" dock is easier to lug around. No sweat! ;-) </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1115 Fri, 19 Aug 2011 04:56:26 +0000 classmaker 1115@http://www.dpsinsider.com/forums/ <p>So # 10H0F0 "died" of infant mortality after a few minutes of low-level play, dock/undock and power on/off cycles. Returned. it. # 30F0F0 seems to be playing well. </p> <p>The iP1's with Service No. iP1-B-A have a newer printed circuit board...<br /> IP1 MAIN PCB<br /> P/N: BG0260531-Q32<br /> APR.02,2010</p> <p>Still curious about the patterns of letters and digits in the serial numbers (17J9U1, 01J0U3, 23H0U3, 30F0F0)...<br /> I don't have a "secret decoder ring" yet, LOL ;-) </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1090 Sun, 14 Aug 2011 19:31:52 +0000 micahtc 1090@http://www.dpsinsider.com/forums/ <p>@classmaker, there were no electronic changes. the main difference in weight was caused by a change to the woofer to neodymium from ferrite magnets. The neodymiums were significantly lighter. Discerning ears may notice a change to bass performance, but subjective listening tests were non-conclusive, so the original DSP profile was retained, unmodified. The change was made in concert with a change in production partner, which also gave iHome the opportunity to slightly modify the tweeter housing's construction to improve it, structurally. </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1080 Fri, 12 Aug 2011 18:16:21 +0000 classmaker 1080@http://www.dpsinsider.com/forums/ <p>"iP1-*B*-A" units found... </p> <p>So, I found two presumably newer units with Service No. iP1-B-A (-B-A rather than -A-A). Picking up 10H0F0 for example, the front buttons feel different (shallower, lighter press). The circuit board looks different, but I haven't spotted the rev #'s yet peeking through the vents. Wondering... what differences to expect? </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1079 Fri, 12 Aug 2011 18:09:28 +0000 classmaker 1079@http://www.dpsinsider.com/forums/ <p>MORE #'s, LOL ! ;-)<br /> Peeking through the vents underneath my "heavyweight" (17J9U1)<br /> and one of my "lightweight" iP1-A-A's, the board legends show...<br /> ip1-main_B7 board<br /> 2009-05-20 REV:B7<br /> P/N 1008-0000640<br /> There is a "V6.5.1" sticker on the Avnera signal processing chip on both.<br /> So, I'm guessing the electronics are the same across the iP1-A-A units. </p> http://www.dpsinsider.com/forums/topic/ip1s-old-and-new-one-heavyweight-in-my-collection#post-1074 Fri, 12 Aug 2011 07:23:58 +0000 classmaker 1074@http://www.dpsinsider.com/forums/ <p>I was wondering about the differences between earlier and later iP1's. I'm curious! ;-) Mine are all Model iP1, Service No. iP1-A-A. One of mine (17J9U1) is much heavier than the others! (17H0U3, or 23H0U3, for example.) So how do we decode those numbers? What's different inside the woofer cans? (Magnets, frames, or deadening ballast?) I also noticed the heavier one also has slightly smaller, more tapered tweeter cans than the others, with a slight difference in the sculpting of the tweeter bezels. Were there engineering changes to the production units? What are the expected differences in acoustical performance? What about the DPS parameters...any differences? </p> <p>Cheers, and<br /> Curiously yours,<br /> classmaker ;-) </p> <p>BTW, The heavier iP1 also came with the big blue "features" sticker on the upper half of the faceplate. It looks kinda cool to me, so I've left it in place as a "badge" distinguishing my odd-duck iP1 (collector's item!). Maybe I should take a couple photos of it. </p> http://www.dpsinsider.com/forums/topic/airplay-support-for-ip1#post-589 Thu, 03 Feb 2011 13:30:24 +0000 Joey Butera 589@http://www.dpsinsider.com/forums/ <p>That feature will be available in the iW1. Check it out: <a href="http://ihomeaudiointl.com/discover/airplay/" rel="nofollow">http://ihomeaudiointl.com/discover/airplay/</a> </p> http://www.dpsinsider.com/forums/topic/airplay-support-for-ip1#post-583 Wed, 02 Feb 2011 21:31:58 +0000 Lg315 583@http://www.dpsinsider.com/forums/ <p>Will the iP1 be upgraded any time soon to support AirPlay - otherwise the Audyssey South of Market gets my $ </p> http://www.dpsinsider.com/forums/topic/g4-attack-of-the-show-ip1-review#post-553 Thu, 27 Jan 2011 17:07:48 +0000 Joseph Beaty 553@http://www.dpsinsider.com/forums/ <p>So this is over a year old and I am not sure how I missed this but this is a great review of the iHome iP1 with Bongiovi DPS. Everyone should check this out. Olivia Munn is in it...so if nothing else...watch her...lol</p> <p><a href="http://www.hulu.com/watch/95947/attack-of-the-show-ihome-ip1-studio-series-ipod-dock-review" rel="nofollow">http://www.hulu.com/watch/95947/attack-of-the-show-ihome-ip1-studio-series-ipod-dock-review</a> </p> http://www.dpsinsider.com/forums/topic/getting-the-most-from-an-ip1#post-356 Mon, 23 Aug 2010 20:21:06 +0000 Joey Butera 356@http://www.dpsinsider.com/forums/ <p>Here is Tony's reply to your post:</p> <p>Richard,</p> <p>You will be pleased to know that the iP1's Digital Power Station technology was tuned in an environment very similar to the ideal you have discovered. This was in a control room at Power Station Studios that I designed. All of the Power Station control rooms are the exact same dimensions and use a slotted absorber technology that is very effective in controlling both low and high frequencies. The ceilings are made up of a low absorption coefficient material and the floors are hard wood. The reverberation time of these rooms is less than 250ms which emulates a standard living room in which music will be listened to.</p> <p>It was an excellent observation on your part that the low frequency component was better with the iP1 on the bench grinder stand. This is due to the fact that the grinder stand has a greater mass than the iP1. During the final calibration of the iP1, we placed it on the recording console in the same position as the studio monitors we used as a reference. This combination exhibits the same acoustic/mechanical characteristics as your bench grinder stand. An isolation plate may also improve this effect by mechanically de-coupling the iP1 from the stand and further decreasing possible resonance. </p> <p>This same resonance is why the low-mass wood coffee table is not a good choice as the vibrations generated by the iP1's speakers are mechanically coupled to the surface of the table. The table absorbs this vibrational energy, converts it into heat and causes some low frequency cancellation. </p> <p>Your observation of better low frequencies away from the wall is also sound. Low frequencies are omni-directionally radiated and will reflect off of wall, floor and ceiling surfaces. This changes the low frequency response of the iP1. This effect intensifies as you approach a surface and is sometimes referred to in acoustics as "corner effect". In fact, some speakers have been designed to take advantage of this.</p> <p>Here is a link to the history of the studio: <a href="http://www.avatarstudios.net/aboutus/history.html" rel="nofollow">http://www.avatarstudios.net/aboutus/history.html</a></p> <p>If you have any other questions in regards to the Digital Power Station or the recording studio please don't hesitate to ask.</p> <p>Sincerely,</p> <p>Tony Bongiovi </p> http://www.dpsinsider.com/forums/topic/getting-the-most-from-an-ip1#post-353 Sun, 22 Aug 2010 14:27:32 +0000 Joey Butera 353@http://www.dpsinsider.com/forums/ <p>I'm glad you are enjoying your iP1! Tony Bongiovi read your post and would like to reply to your technical findings. I will post his reply when I get it. </p> http://www.dpsinsider.com/forums/topic/getting-the-most-from-an-ip1#post-351 Thu, 19 Aug 2010 12:45:11 +0000 finger55 351@http://www.dpsinsider.com/forums/ <p>After waiting a while for my IP1 to be delivered I was looking forward to seeing just what it was able to do. And after receiving it and living with it for just 2 weeks now I am astounded how good it can sound. The instruction manual said "place on a stable surface", but made no mention of positioning in the listening environment. So much experimentation took place.<br /> My usual listening room measures 5m x 8m with a 2.5m ceiling, hard floor and a mixture of hard and soft furnishings with a minimum of parallel reflective surfaces. Experimentation with positioning showed a marked low end hump with the IP1 anywhere near the rear wall and moving away from the wall in 0.25m increments allowed a more natural bottom end with the ideal being effectively open field i.e. equidistant from the rear and side walls.<br /> As to the "stable surface", once again I experimented with a selection of stand configuration, from coffee table to high end isolation equipment stand but the best by far proved to be the cheapest. A bench grinder stand! Basically a 75mm x 900mm steel tube with a 350mm x 250mm cast iron top plate and splayed 380mm cast bottom plate. The basic design weighed in at 20kg but adding sand ballast to the tune of an extra 15kg really firmed up the low end.<br /> I intend to try isolation plates on top of the stand in the near future and will post my findings.<br /> I spent a few years working for a company in England making studio monitoring speakers for the BBC and having access to some VERY hi end equipment in their listening room the nearest comparison I can make is to my IP1 is the LS3/5a, for the clarity of mid and high range but with a more serious bottom end leaning in the direction of a pair of Rogers AB1 teamed with the LS3/5a's.<br /> In short, I am seriously impressed with the IP1!!<br /> Richard Taylor </p> http://www.dpsinsider.com/forums/topic/doing-an-audio-mix-down-through-the-ip1#post-236 Wed, 31 Mar 2010 16:27:23 +0000 Joseph Beaty 236@http://www.dpsinsider.com/forums/ <p>I am working on a fun electronic thing at home and I plan on using the IP1 for mix monitoring...along with my Tapco S-8s...What a great tool for this...thanks for thinking of that guys! </p> http://www.dpsinsider.com/forums/topic/doing-an-audio-mix-down-through-the-ip1#post-230 Tue, 30 Mar 2010 15:12:14 +0000 flafilmmaker 230@http://www.dpsinsider.com/forums/ <p>That's awesome to hear - it really helped me out. Could really differentiate the voices from room tone, sfx and music, etc.</p> <p>I think a lot of mixers should give it a try! </p> http://www.dpsinsider.com/forums/topic/doing-an-audio-mix-down-through-the-ip1#post-224 Mon, 29 Mar 2010 14:40:43 +0000 Rob Roy 224@http://www.dpsinsider.com/forums/ <p>Joe, check with your dad... We got a letters from some well known Mastering Studios about how they were using the iP1 as a "real-world" listening platform when mastering different projects. Maybe we can share some of them here on the forum???? </p> http://www.dpsinsider.com/forums/topic/doing-an-audio-mix-down-through-the-ip1#post-215 Thu, 25 Mar 2010 13:59:00 +0000 Joey Butera 215@http://www.dpsinsider.com/forums/ <p>I'm sure lots of folks will we listening to the stereo mix through devices just like the iP1. A totally valid monitoring platform if you ask me! It is the "Studio Series" after all... </p> http://www.dpsinsider.com/forums/topic/doing-an-audio-mix-down-through-the-ip1#post-214 Wed, 24 Mar 2010 20:10:20 +0000 flafilmmaker 214@http://www.dpsinsider.com/forums/ <p>Hey, guys.</p> <p>I'm doing something crazy here. The distributor is going to an HD cam tape master of the last film I directed; and for my 2.0 foldown (from the 5.1 mix) - I'm monitoring through the IP1!</p> <p>I guarantee this is the first it's been used in that respect!</p> <p>This thing has so many uses - and sounds so amazing :-) </p> http://www.dpsinsider.com/forums/topic/interview-with-tony-bongiovi-at-ces-2010#post-147 Wed, 10 Feb 2010 16:03:31 +0000 Joey Butera 147@http://www.dpsinsider.com/forums/ <p>Here is an interview with Tony at CES 2010 as he explains the DPS technology in the iHome iP1:</p> <p><a href="http://www.youtube.com/watch?v=X7mxnXvi7s4" rel="nofollow">http://www.youtube.com/watch?v=X7mxnXvi7s4</a> </p> http://www.dpsinsider.com/forums/topic/some-good-links-to-pro-reviews-of-the-ip1#post-5 Thu, 10 Dec 2009 20:47:05 +0000 Joey Butera 5@http://www.dpsinsider.com/forums/ <p>Repost from the old iP1 forum by RCopt:</p> <p>for those interested in learning more about the iHome iP1 or looking for some input from the pros.</p> <p><a href="http://www.iprong.com/interviews/review-ihome-ip1/" rel="nofollow">http://www.iprong.com/interviews/review-ihome-ip1/</a></p> <p><a href="http://www.ilounge.com/index.php/reviews/entry/ihome-ip1-studio-series-speakers-for-ipod-iphone" rel="nofollow">http://www.ilounge.com/index.php/reviews/entry/ihome-ip1-studio-series-speakers-for-ipod-iphone</a></p> <p>I also really need to post this non-review just because the puns are so bad/funny/cheesy/awesome that I just can't resist.</p> <p><a href="http://craziestgadgets.com/2009/05/16/ihome-ip1-bongiovi-studio-series-audio-system/" rel="nofollow">http://craziestgadgets.com/2009/05/16/ihome-ip1-bongiovi-studio-series-audio-system/</a> </p>