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  Review: DCM TimeWindow 1 Speaker
This review covers the orignal DCM Time Windows. Not the subsequent versions.

I remember the first time I heard these. Their unique shape and sound where unlike anything I had heard before. Here was a speaker that really delivered the promise. It was driven by a PS Audio Amp and PS Audio LCC PreAmp. At the time I had the Large Advents,and while those speakers were very good indeed, the Time Windows were clearly superior. The music just seemed to come alive in a way that's hard to describe. There was just a seamless transparency to them. Not overly bright or accentuated on the bass. The balance was right on. It didn't really matter what the program material was, the Time Windows clearly and with authority brought the music to life. If they had any real weakness is for some peoples taste the bass may have been on the light side. But for my taste it was as it should be. The orginals used Philips drivers using a transmission line and the cabinet construction contributed to the overall sound. In the late 70s these were not cheap at about $800.00 but were indeed worth the price of admission. I was finally able to acquire a pair of these and have them to this day. Few things one purchases in life have enduring value and the Time Windows truly are in that category. Of all the reviews I have read on these speakers not one reviewer has clearly defined the sonics of this fabulous speaker. Use all of the adjectives you want and one will still come up short in the description. Best way to describe them, if you love music and have better than average components connected to them, the Time Windows will deliver the music with a verve that will astound you.

Now these speakers are some 20 years or more in age and continue to deliver the music. And that's what this hobby is all about. DCM no longer produces the Time Windows,having opted for the HT route. This is a true shame as these speakers deserve continued production. Timeless design is just that.


  • Dimensions:36"H x 14 3/4"W x 11 3/4"D
  • Weight:32 Pounds
  • Power Requirements:10 Watts Minimum per channel 89 dB/watt at one meter;200 Watts Maximum
  • Impedance:5 Ohms minimum/6-8 Ohms nominal
  • Frequency Range:25Hz to 18 kHz
  • Dispersion:180 degrees horizontal/60 degrees vertical.

    Specifications do not tell the whole story,listening does. The Time Windows due to their configuration can be literally tuned to any room. That is due to their shape. This was a brilliantly executed design that has remained faithful all these years.

    Associated gear
    Click to view my Virtual System

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    Polk SDA 2,Large Advent,Infinity,Boston Acoustic.

    by Ferrari on 09-15-02 

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    Click title to read one, or click date to read all below it.

    09-15-02   I used to own a pair of the original timewindows. they ...   Slowhand

    09-15-02   I had a pair of time windows in 1978.i loved them drive ...   Sherod

    10-31-02   I also upgraded from large advents to the time windows ...   Joe_b

    11-15-02   I to had the original dcm time window 3's and still hav ...   Jmsoul

    02-02-03   I am an original owner of dcm time windows. i used to u ...   larpatmoss@

    02-03-03   Do any of you know what dcm stands for??? ann ar ...   Audiotomb

    02-03-03   I too am an original owner of a pair of tw1s and tw3s. ...   Rel2

    02-04-03   The time windows were a little lacking in the extreme u ...   Sherod

    03-16-03   I have two pairs of the original dcm timwindows and not ...   geraldgasser@

    04-29-03   Gerald, i just picked up a pair of time windows and ...   Royalty

    01-26-04   Well, mine after many years of service (driven with apt ...   peterdlederer@

    01-27-04   Mine are in the basement. i hooked them up to my old lu ...   Jetstream

    01-28-04   Nice to see some conversation about these wonderful spe ...   Mstap42

    02-11-04   I had a pair of these before buying vandersteen 2ce's. ...   Mikebalto

    03-20-04   Ah, the time windows. i still own and use my original p ...   Mikelballinger

    03-31-04   I bought mine in 1981. still have them and have just n ...   hardyman@

    04-01-04   I bought my tw1s in 1982 and they were in "main&qu ...   Kdl_pe

    04-27-04   I am very happy for there are still so many people love ...   Wyhch

    05-07-04   I owned a pair of 1a models from 1981 until a home burg ...   halhollis@

    05-17-04   I purchased a pair of time window 3's in about '82. my ...   thegallofamily@

    06-06-04   I love my time windows. they are part of my dts system. ...   waltlang2000@

    06-20-04   I still have my tw's purchased in early 1979 and also h ...   Islandbird

    06-21-04   You can contact dcm directly, they're still around. if ...   Kkm

    06-27-04   Has anyone re-coned their time windows? was it worth ...   donensco@

    06-30-04   I spent three decades in the audio business and i consi ...   waynejane4@

    07-03-04   In 1978 i bought my first pair of tw1. i didn't know a ...   Mjm2424

    07-07-04   Anyone have a source for exterior replacement foam cove ...   sparky5@

    07-07-04   A respondent to this ad has some foam coverings. check ...   Ferrari

    08-06-04   Dcm corp. 670 ann arbor michigan, 48108. phone# (734 ...   wschuck@

    08-06-04   Phone dcm at (734)994-8481. they sill send you new spea ...   wschuck@

    08-06-04   I gave you the wrong info. dcm loudspeakes is at: 28 ...   wschuck@

    08-17-04   I own a pair of the original time windows and i absolut ...   edman50@

    08-18-04   A friend of mine has the aerial 7 and they are fabulous ...   Ferrari

    08-24-04   Any recommendations for ss amplification to drive a pai ...   patrick_h_kim@

    11-09-04   I was lucky enough to recieve a pair of these speakers ...   gl_drummer05@

    12-25-04   I also have a pair of time windows and also a pair of d ...   indycar_89@

    01-11-05   The original tws had hexagonal woofers and 1" dome ...   Mstap42

    01-12-05   Say, i'm finally getting a surround system--got a denon ...   sgarlock@

    01-12-05   Any suggestions for getting a voice match for my c. '84 ...   sgarlock@

    02-05-05   After reading these posts, i felt motivated to re-conne ...   Thejapelvis

    02-21-05   I have tw ia's...dcm was bought out! and drivers are no ...   wobbie64@

    02-22-05   Just curious. since the original time window used phili ...   Thejapelvis

    02-27-05   I have been even more impressed with the performance of ...   Thejapelvis

    02-27-05   Thejapelvis - try using a class a output preamp along w ...   Ferrari

    02-27-05   Thanks for the tip, ferrari. what might be a good deal ...   Thejapelvis

    02-27-05   Ferrari, i have just seen the review of the forte class ...   Thejapelvis

    03-04-05   Just put spikes under my dcm 1as, and though this may h ...   Volumepot

    03-05-05   The dcm time windows original and 1a used philips drive ...   Ferrari

    03-11-05   Dcm stands for "dreps crone maze" i ha ...   Hauser

    03-11-05   Amen to the last post. i was earlier thinking i might w ...   Thejapelvis

    04-09-05   Hello all was sold on the sound of the time windows ...   mark.s@

    04-18-05   Like previously stated, mcmaster is the source for the ...   Hedgehog

    04-21-05   I'll be attempting that and more. my grills were dea ...   mark.s@

    04-23-05   Mark, in the floorstanding speaker section of e ...   Hedgehog

    04-23-05   Thanks boss, just bought a pair from 79 on ebay ebay ...   mark.s@

    05-07-05   Just a quick update...intalled the floor spikes in the ...   Hedgehog

    05-14-05   Please excuse two dumb questions, but what is a good so ...   Danclarkwcp

    05-14-05   Not dumb questions at all. i bought mine at www. ...   Hedgehog

    05-15-05   attention gerald gasser. i need some of your speaker g ...   Sherod

    05-26-05   Hi all,just found this interesting site,so must let u k ...   rod15@

    05-27-05   Rod, unless you don't intend to mount the rodgers on st ...   Hedgehog

    05-28-05   I have a pair from 1978 and they are still wonderful. ...   slevent911@

    05-28-05   Hi hedgehog,the rodgers will be up on my shelf,running ...   rod15@

    05-31-05   No, i have not heard the ls3/5as. sounds like a very un ...   Hedgehog

    05-31-05   Has any other timewindow-fan heard the rogers ls3/5as'? ...   rod15@

    05-31-05   The guy who originally sold me my pair of time windows ...   Thejapelvis

    05-31-05   Be careful on the rogers ls3/5a. if memory serves me co ...   Ferrari

    06-01-05   Yes, ferrari, the ls3/5a is a 16 ohm load. personally i ...   Thejapelvis

    06-21-05   Hello, i had to chime in this blog as i could not help ...   mylowestprice@

    06-24-05   Btw, there's a pair of low-hour 1a'a on e-bay ri ...   After_hrs

    06-27-05   I bought a pair of time windows at a garage sale for $1 ...   hal_dekker@

    07-13-05   Well, this is a fun site to run across; lots of other t ...   rolando@

    07-24-05   Home theater and time windows does anyone know i ...   cwheh@

    07-24-05   My time windows are still going strong after 24 years o ...   Stevenk

    07-30-05   I'd welcome recommendations for placement in a large l- ...   wrmason@

    07-31-05   I have added my comments much earlier in this thread. b ...   Thejapelvis

    08-02-05   Ok guys, i actually work for dcm - or more to the point ...   apanthropy@

    08-02-05   has anyone tried to tighten the drivers on these spea ...   Mmakshak

    08-04-05   Thanks to anthropy for the updated info on dcm in its c ...   Thejapelvis

    08-06-05   I have now been listening again to the time window for ...   Thejapelvis

    08-06-05   Cwheh, the timewindows do very well in a 5.1 set ...   Hauser

    11-01-05   I have one pair of these boxes in germany...from my fat ...   gdodo20@

    11-14-05   Interesting thread! i came accross it as i am looking f ...   jay-k@

    11-15-05   I was a very happy listener of my 1984 dcm timewindow 1 ...   paultkane@

    11-15-05   from what i recall, when i was selling the time ...   Sherod

    11-22-05   I bought a pair in the 70's and used them happily into ...   Moguls

    12-09-05   I have a pair in my garage (in the original boxes) wait ...   dbeacco@

    12-18-05   I'd like to connect a pair of time windows to my onkyo ...   pullfinger@

    12-18-05   Nominal impedance for the time windows is 6 ohms. not r ...   Ferrari

    12-20-05   Just discovered this forum. i've been a tw 1 owner sin ...   sjmott@

    12-21-05   Called the number for dcm listed elsewhere in these pos ...   sjmott@

    12-22-05   if someone wants to order a roll of this foam from mcm ...   Sherod

    12-23-05   i haven't read all the responses here, but i recently ...   Mmakshak

    01-04-06   Does anybody know the tweeter/woofer crossover frequenc ...   selby@

    01-04-06   i'm not sure of the crossover frequencies(and, hence, ...   Mmakshak

    01-08-06   i owned a pair of the original time windows in 197 ...   Johnnyvegas

    01-08-06   just another good example why audiophiles should avoid ...   Sherod

    01-19-06   In the late 70's and early 80's my system included my o ...   rolando@

    01-20-06   Remember that pioneer sx 1250 very well, one of pioneer ...   Ferrari

    01-23-06   Yep to all. i used to lust for an sx 1980. i'm not even ...   rolando@

    01-23-06   If your going to keep the sx 1250 i would definitely ha ...   Ferrari

    01-24-06   I intend to do that. unfortunately i live in missoula, ...   rolando@

    01-24-06   You might want to check out this fellow audiogon member ...   Ferrari

    01-28-06   After 30 years of using my pair of original time window ...   luna5@

    01-30-06   Ditto on that. i've had my time windows for 20+ years a ...   audioarcher@

    02-06-06   I'm getting a little off subject, but, this digging out ...   rolando@

    02-16-06   Help! i bought my time windows in 1979 and they are the ...   paul.reardon@

    03-11-06   I have reconnected my time windows after three or four ...   Thejapelvis

    03-13-06   The best i ever got my time windows to sound was in a p ...   rolando@

    03-13-06   I have a much more confined listening space but i also ...   Thejapelvis

    03-14-06   Oh yeah. once, when i first got my time windows back in ...   rolando@

    04-03-06   Time frame series? dcm-250 picked up cheap-ish and soun ...   andre4999@

    04-05-06   If remember correctly the time frame 250 were the start ...   Ferrari

    04-14-06   this is all great bs. i am interested(since i have t ...   Mmakshak

    04-14-06   I 1st heard the timewindows a few years ago at a friend ...   Tagyerit

    04-15-06   yep, those original time widows are truly classics. i ...   Sherod

    04-18-06   I have time frame 350's hooked up to a mid level surrou ...   pcutin@

    04-23-06   Slowhand, look in ebay under time windows, theres a bl ...   dannyeatsdogs@

    04-23-06   Wasn't slowhand, was my initial review of the time wind ...   Ferrari

    04-24-06   i just read the ebay ad. this aussie copied your revie ...   Sherod

    04-23-06   Yes, i also have a response buried waaay back there som ...   Islandbird

    04-27-06   Islandbird and i must have read the same comment, regar ...   rolando@

    04-27-06   I can't help but think that the current owners of dcm h ...   Ferrari

    04-28-06   Amen! i'd be camped in line to buy a pair along with my ...   rolando@

    05-06-06   islandbird, i really appreciate your comments on dcm' ...   Mmakshak

    05-08-06   maybe i should e-mail dcm about this, but just moving ...   Mmakshak

    05-12-06   Mine are now in my downstairs system about 8 feet apart ...   Islandbird

    05-13-06   islandbird, i appreciate your response. i was hoping ...   Mmakshak

    05-16-06   I've got timewindow 3's & 7's and they're irreplaceable ...   Argonaut

    05-17-06   I am using concrete locks sandwiched above and below a ...   Thejapelvis

    05-17-06   I mistakenly kept a subtitle on previous post. the time ...   Thejapelvis

    05-20-06   i probably should e-mail dcm about this, as they are ...   Mmakshak

    05-20-06   I've just recently finished a custom center speaker bas ...   Hauser

    05-31-06   this is just slightly off subject. i'm really a horn ...   Mmakshak

    06-01-06   Try some time window 3s. they can be a little more easi ...   rolando@

    06-27-06   rolando, have you read the avs forum on dcm's? there ...   Mmakshak

    06-28-06   Mmakshak, what problems have you head of? can you provi ...   Hauser

    06-30-06   I lived in ann arbor in the 80's, but couldn't afford t ...   pcurtin@

    06-30-06   No, i haven't read it, but i will. i have both the 3's ...   rolando@

    06-30-06   Houser, exactly. i really prefer the sound of th ...   rolando@

    06-30-06   I found a pair of original dcm time windows 15 years ag ...   lizardking472001@

    07-01-06   Pcurtin, i might have mention before, in the timewi ...   Hauser

    07-04-06   I picked up a second pair of original timewindows and t ...   formfactor44@

    07-04-06   If mine i would take to a quality cabinent shop and see ...   Ferrari

    07-06-06   Well, i hate to differ, but the tw 3s have an 8 inch wo ...   rolando@

    07-07-06   Rolando, are you disagreeing with my statement that the ...   Hauser

    07-07-06   I just talk to steve for a better explanation on the tw ...   Hauser

    07-10-06   So, do the mid-range and dome tweeters cross over at th ...   rolando@

    07-11-06   Yeah, that's a pretty interesting design concept. it mu ...   rolando@

    07-11-06   What do you guys think about dcm's time frame evolution ...   formfactor44@

    07-27-06   For 20 years now ím still the lucky owner of my dcm tim ...   arnold@

    07-28-06   hauser, i may have been mistaken about the tw3's. it ...   Mmakshak

    08-01-06   I have a question about my just arrived timewindows (or ...   arnold@

    08-04-06   Hi everyone, i just found this forum a few days ...   junkkling@

    08-11-06   Downsizing sucks! my family has had to move to a smalle ...   kaganlmf@

    08-11-06   kagalmf, we took off the foam outer covers many years ...   Mmakshak

    08-28-06   It's interesting for me to read through posts in this t ...   hsitz@

    08-29-06   Does anyone know if they used the same drivers on both ...   Kkm

    08-29-06   Dunno for suer, but the guy i got my windows from also ...   Tagyerit

    08-31-06   Arnold, only the timewindow three's and seven's were mi ...   Hauser

    09-02-06   hsitz, i has the original 3200 driving the original d ...   Mmakshak

    09-10-06   i contacted dcm, asking them about tightening the dri ...   Mmakshak

    09-24-06   Re: mmakshak question on 9/10/06--i had to replace a dr ...   paulhbenson@

    10-20-06   picked up my tw's from the factory a long time ago.lov ...   2dhunt@

    10-27-06   thanks, paulhbenson. it looks like my bass drivers a ...   Mmakshak

    10-29-06   Thanks ,i read your post about the sound quality withou ...   2dhunt@

    11-11-06   Does anyone have a pair? and is there speaker parts sti ...   thurwow@

    12-09-06   Got advise to get mcmaster carr foam filter material to ...   cehands@

    12-31-06   i don't know if i've stated this. i have my time win ...   Mmakshak

    12-31-06   i have to repeat this. the time-windows sound better ...   Mmakshak

    03-15-07   I bought a pair of 1a's in '79 and have used them ever ...   heckja@

    03-24-07   after listening to wilson alexandria's, i wonder abou ...   Mmakshak

    03-24-07   Speaker driver technology has come a long way since the ...   Sherod

    04-05-07   only $135,000 a pair. i agree about the drivers' tec ...   Mmakshak

    11-19-07   I have a pair of time window 3s i bought new in the ear ...   Sanlanman

    04-15-08   Whats the key to the versioning? 1, 1a, 7. from what ...   Scramman

    10-12-08   I still have a pair of dcm time windows that i use in m ...   Tjkoch1999

    05-24-11   I still have a pair of original time windows. they prob ...   Horswispr

    06-07-11   When i was a kid, my neighbor had a pair of these. he k ...   Bonhamcopeland

    11-22-11   I have a pair of dcm time windows(they do not have any ...   Bkk

    11-25-11   I bought a pair in the late 70s from fat julian's audio ...   Princeoftides

    08-15-12   All due respect to the pr fellow from the new owners, b ...   Gannon

    01-08-13   I have a pair of the dcm time windows too. i think the ...   Carnotcycler

    05-23-13   Does anyone know how to decipher the year of manufactur ...   Philtheda

    04-14-14   I live in south africa, and own a pair of ard time wind ...   Helmutr

    04-15-14   As a salesman then manager for the #1 dcm dealer in the ...   Roundmoundofsound

    04-21-14   I have read several postings regarding the timewindows ...   Scaballero

    01-15-15   Imho, these are keepers. you can get 3x4 foot foam shee ...   Wzort

    01-28-15   i have been reading up on the tw and tw1s, considering ...   Wzort

    06-28-15   I have a pair of timewindow 3. i listen to them to or t ...   Musiclover1963

    09-02-15   I just picked up 2 pairs of time windows at an estate s ...   K730292

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