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Conference tekvax::audio

Title:The Emperor's New Audio
Notice:for sale: 1456 wanted: 1467
Moderator:BUSY::SLABD
Created:Tue Feb 04 1986
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:4122
Total number of notes:38634

1902.0. "Isobarik subwoofer design" by ISTG::MEISELL () Tue Nov 01 1988 13:30

T.RTitleUserPersonal
Name
DateLines
1902.1DELNI::MCGORRILLIts your turn anyway..Tue Nov 01 1988 14:137
1902.2Isobarik Design ConsiderastionsTIS::GRUHNWed Nov 02 1988 09:3619
1902.3Push-pull explanationVIA::GLANTZMikeWed Nov 02 1988 11:1015
1902.4The idea's not newBAHTAT::SALLITTDave @ ICI,0642432193Thu Nov 03 1988 08:366
1902.5VIA::GLANTZMikeThu Nov 03 1988 10:457
1902.6Some Advantages and referencesCIMAMT::CHINNASWAMYdo 75mph, DUKES indirect taxThu Nov 03 1988 14:0927
1902.7DELNI::MCGORRILLIts your turn anyway..Thu Nov 03 1988 14:5514
1902.8Isobarik secrets revealed!TIS::GRUHNFri Nov 04 1988 09:1546
1902.93 or 4 driver Isobarik???ISTG::MEISELLTue Nov 08 1988 16:2329
1902.10in vs. out phase and directionISTG::MEISELLTue Nov 08 1988 16:276
1902.11Isobarik DesignTIS::GRUHNThu Nov 17 1988 13:1067
1902.12DELNI::MCGORRILLIts your turn anyway..Thu Nov 17 1988 15:5815
1902.13Isobarik ExperimentsTIS::GRUHNTue Nov 29 1988 13:1856
1902.14Old notes have something to offerWOOF::DRIGIANWed Dec 06 1989 10:1450
1902.15Correction to 1902.14WOOF::DRIGIANWed Dec 06 1989 10:166
1902.16all drivers in phase??GUESS::MEISELLThu Dec 07 1989 15:1413
1902.17In phase please!WOOF::DRIGIANFri Dec 08 1989 12:088
1902.18next project, after the ampsGRAMPS::WCLARKWalt ClarkFri Dec 08 1989 12:2826
1902.19DELNI::MCGORRILLIts your turn anyway..Wed Dec 13 1989 11:0718
1902.20Hmmmm..WOOF::DRIGIANThu Dec 14 1989 09:3819
1902.21GRAMPS::WCLARKWalt ClarkThu Dec 14 1989 14:2129
1902.22Ripples (Yes/No)WOOF::DRIGIANThu Dec 14 1989 15:1523
1902.23GRAMPS::WCLARKWalt ClarkThu Dec 14 1989 16:2825
1902.24No titleWOOF::DRIGIANFri Dec 15 1989 08:513
1902.25Isobariks ForeverTIS::GRUHNTue Jan 23 1990 12:5522
1902.26DELNI::MCGORRILLIts your turn anyway..Thu Jan 25 1990 15:407
1902.27GRAMPS::WCLARKWalt ClarkThu Jan 25 1990 16:1515
1902.28More on Isobarik DesignsTIS::GRUHNTue Feb 27 1990 12:3879
1902.29DELNI::MCGORRILLIts your turn anyway..Tue Feb 27 1990 17:016
1902.30Driver selection and connection questionsAV8OR::UTTLEYThu Mar 08 1990 11:2820
1902.31Larger DriversTIS::GRUHNThu Mar 08 1990 12:5440
1902.3232" Pedal Stops, OH NO!TIS::GRUHNThu Mar 08 1990 13:049
1902.33Why not have a 32" pedal stop?OPAMP::VMILLERBeen lookin' kinda SCSI latelyThu Mar 08 1990 13:2118
1902.34AC spec's.XOANAN::SANDERSBDesperado waiting for a trainThu Mar 08 1990 13:2425
1902.35GRAMPS::WCLARKWalt ClarkThu Mar 08 1990 16:3836
1902.36How about dual coils?AV8OR::UTTLEYFri Mar 09 1990 08:0817
1902.37SOMETHING ELSE TO WORRY ABOUTTIS::GRUHNFri Mar 09 1990 12:1818
1902.38Gold Sound makes some dual coil driversGRAMPS::WCLARKWalt ClarkFri Mar 09 1990 20:2411
1902.39DVC=summing circuit??GUESS::MEISELLMon Mar 12 1990 11:577
1902.40OPAMP::VMILLERBeen lookin' kinda SCSI latelyMon Mar 12 1990 12:3818
1902.41GRAMPS::WCLARKWalt ClarkMon Mar 12 1990 12:396
1902.42CACHE::FONTAINEMon Mar 12 1990 13:415
1902.43loss of quality with DVC??GUESS::MEISELLWed Mar 14 1990 12:319
1902.44GRAMPS::WCLARKWalt ClarkWed Mar 14 1990 13:3317
1902.45ELMAGO::BENBACAI have become cOnFoRtAbLy NuMb!Wed Mar 14 1990 14:376
1902.46MILKWY::SLABOUNTYHeavy_Metal power - 240 watts!!Fri Mar 16 1990 12:0810
1902.47GRAMPS::WCLARKWalt ClarkMon Mar 19 1990 10:229
1902.48MILKWY::SLABOUNTYHeavy_Metal power - 240 watts!!Mon Mar 19 1990 10:5217
1902.49re: .48GRAMPS::WCLARKWalt ClarkMon Mar 19 1990 13:223
1902.50MILKWY::SLABOUNTYHeavy_Metal power - 240 watts!!Tue Mar 27 1990 08:479
1902.51I should have known...FSDB00::AINSLEYLess than 150 kts. is TOO slow!Tue Mar 27 1990 09:328
1902.52MILKWY::SLABOUNTYHeavy_Metal power - 240 watts!!Tue Mar 27 1990 10:3214
1902.53MILKWY::SLABOUNTYIsobariks give me a headache.Fri Mar 30 1990 09:4915
1902.54PFLOYD::ROTHBERGThat girl is poison...Fri Mar 30 1990 20:3313
1902.55MILKWY::SLABOUNTYThe 16V, 240 watt antenna mobile.Mon Apr 02 1990 13:0417
1902.56Note 1994AV8OR::UTTLEYMon Apr 02 1990 14:067
1902.57I don't think I like itAV8OR::UTTLEYMon Apr 23 1990 09:2646
1902.58SuggestionDUGGAN::CHANMon Apr 23 1990 12:3411
1902.59GRAMPS::WCLARKWalt ClarkMon Apr 23 1990 13:5024
1902.60Thanks, keep 'em comingAV8OR::UTTLEYMon Apr 23 1990 14:2330
1902.61MILKWY::SLABOUNTYThe 16V, 240watt antenna mobile.Mon Apr 23 1990 14:5116
1902.62Dual Voice CoilsAV8OR::UTTLEYMon Apr 23 1990 16:3412
1902.63GRAMPS::WCLARKWalt ClarkMon Apr 23 1990 16:4741
1902.64why alternate coils with channels?GUESS::MEISELLTue Apr 24 1990 14:279
1902.65accidential GRAMPS::WCLARKWalt ClarkTue Apr 24 1990 16:309
1902.66Things are sounding betterAV8OR::UTTLEYTue Apr 24 1990 17:0237
1902.67more info and a correctionGRAMPS::WCLARKWalt ClarkTue Apr 24 1990 22:4441
1902.68Surrounds need break inAV8OR::UTTLEYThu Apr 26 1990 10:0429
1902.69The impedence of a speaker isn't constantDUGGAN::CHANThu Apr 26 1990 12:3917
1902.70wanna borrow my SPL meter?CSSE32::GREENFIELDPaul Greenfield | Desktop-VMSFri Apr 27 1990 02:397
1902.71X-over tweakingAV8OR::UTTLEYFri Apr 27 1990 08:3315
1902.72try other drivers?DELNI::MCGORRILLIts your turn anyway..Mon Apr 30 1990 16:128
1902.73SuccessAV8OR::UTTLEYTue May 01 1990 11:2725
1902.74Another dip in the midrange.TIS::GRUHNTue May 01 1990 14:1217
1902.75!DELNI::MCGORRILLIts your turn anyway..Tue May 01 1990 16:392
1902.76It gets down...AV8OR::UTTLEYWed May 02 1990 16:3118
1902.77STROKR::DEHAHNThu May 03 1990 08:585
1902.78Still Kicking at 21.5 Hz.AV8OR::UTTLEYFri May 04 1990 12:3825
1902.79GRAMPS::WCLARKWalt ClarkFri May 04 1990 16:4117
1902.80Duke LeJune - an fwiwUPWARD::SANDERSBResist much, Obey littleTue Aug 21 1990 20:3828
1902.81Ralph GonzalesUPWARD::SANDERSBResist much, Obey littleMon Aug 27 1990 13:5119
1902.82?DELNI::MCGORRILLIts your turn anyway..Mon Aug 27 1990 15:367
1902.83Nature keeps us honestUPWARD::SANDERSBResist much, Obey littleMon Aug 27 1990 16:3522
1902.84ClarificationUPWARD::SANDERSBResist much, Obey littleMon Aug 27 1990 16:5819
1902.85What Ralph really saidPNO::SANDERSBResist much, Obey littleWed Aug 29 1990 21:0392
1902.86MILKWY::SLABOUNTYHemorrhoid from HellThu Aug 30 1990 10:2212
1902.87GRAMPS::WCLARKWalt ClarkThu Aug 30 1990 10:2417
1902.88UPWARD::SANDERSBResist much, Obey littleThu Aug 30 1990 13:4536
1902.89Isobariks vs whateverTIS::GRUHNMon Sep 10 1990 14:0734
1902.90bigger in the floorDELNI::MCGORRILLIts your turn anyway..Mon Sep 10 1990 17:344
1902.923, 2, 1, RooaaarrrHAYAMA::FENNELLDon't blame me, I didn't do it!Tue Sep 11 1990 11:065
1902.93or would it be an isovent enclouse. i forget, ill hve to go back and lookCAVLRY::ROBRI'm Brian and so's my wife!Mon Feb 11 1991 15:0018
1902.94CAVLRY::ROBRI'm Brian and so's my wife!Mon Feb 11 1991 16:049
1902.95GRAMPS::WCLARKWalt ClarkTue Feb 12 1991 10:5916
1902.96paper subwoofer enclosureGRAMPS::WCLARKWalt ClarkMon Mar 11 1991 09:39108
1902.97update on the paper subwooferGRAMPS::WCLARKWalt ClarkMon Mar 11 1991 23:0147
1902.98STROKR::DEHAHNNo time for moderationTue Mar 12 1991 08:055
1902.99A closer estimate.TIS::GRUHNTue Mar 12 1991 09:437
1902.100American quality controlGRAMPS::WCLARKWalt ClarkWed Mar 13 1991 08:2722
1902.101A SUGGESTIONTIS::GRUHNWed Mar 13 1991 09:3218
1902.102They are made that way on purposeFLOWER::HILDEBRANTI'm the NRAWed Mar 13 1991 13:0211
1902.103GRAMPS::WCLARKWalt ClarkWed Mar 13 1991 13:3246
1902.104Concrete SuppliesTIS::GRUHNThu Mar 14 1991 09:388
1902.105actually, mine's "Mercertube"...TEKVAX::KOPECNetwork partner executedThu Mar 14 1991 09:449
1902.106GRAMPS::WCLARKWalt ClarkFri Mar 15 1991 16:0312
1902.107ELMAGO::BENBACA8 :^) (*: ;') (*: ;+) (^: :,) (o:Fri Mar 15 1991 17:314
1902.108tube/compound updateGRAMPS::WCLARKWalt ClarkMon Mar 18 1991 08:4346
1902.109More is (perceived as)lessTIS::GRUHNMon Mar 18 1991 13:0413
1902.110GRAMPS::WCLARKWalt ClarkMon Mar 18 1991 13:463
1902.111ELWOOD::WCLARKWalt ClarkMon Apr 22 1991 17:0812
1902.112MR4DEC::CHANMon Apr 22 1991 18:278
1902.113ELWOOD::WCLARKWalt ClarkTue Apr 23 1991 09:3818
1902.114Questions on Walt's subwooferCX3PST::WSC183::D_LEWISI'd rather be in Jamaica, monTue Apr 23 1991 16:1320
1902.115ELWOOD::WCLARKWalt ClarkTue Apr 23 1991 18:2627
1902.116CX3PST::WSC183::D_LEWISI'd rather be in Jamaica, monTue Apr 23 1991 19:555
1902.117Designing a pair of subwoofersMR4DEC::CHANWed Apr 24 1991 12:2425
1902.118What's wrong here?VAXWRK::SWARDCommon sense is not that commonWed Apr 24 1991 14:5513
1902.119ENABLE::GLANTZMike 227-4299 DECtp TAY Littleton MAWed Apr 24 1991 15:2611
1902.120not bad Kenney...ELWOOD::WCLARKWalt ClarkWed Apr 24 1991 19:0312
1902.121MR4DEC::CHANThu Apr 25 1991 15:5617
1902.122PLANS ??GRANPA::DSTEVENSThu Apr 25 1991 18:3314
1902.123ELWOOD::WCLARKWalt ClarkFri Apr 26 1991 00:5914
1902.124Sail On!TIS::GRUHNFri Apr 26 1991 10:276
1902.125commercial tubesELWOOD::WCLARKWalt ClarkTue Jun 04 1991 10:1111
1902.126CAVLRY::ROBREvery breath a static chargeTue Jun 04 1991 18:247
1902.127CAVLRY::ROBREvery breath a static chargeTue Jun 04 1991 18:267
1902.128the drivers finally broke inELWOOD::WCLARKwe be jibin'Mon Oct 21 1991 16:3948
1902.129BUSY::SLABOUNTYPolitically impoliteThu Dec 10 1992 12:2021
1902.130Weight ==> lower resonance?UNXA::WUI'm available for only 15% more!Thu Dec 10 1992 17:3013
1902.131CONTRA::BEL_KWINITHDangerous but worth the riskFri Dec 11 1992 02:114
1902.132SPESHR::WCLARKwe be jibin'Fri Dec 11 1992 07:0810
1902.133At It Again!TIS::GRUHNTue Dec 15 1992 11:3882
1902.134UNXA::WUI'm available for only 15% more!Tue Apr 13 1993 19:5119
1902.135Isobaric's Group Delay?UNXA::WUI'm available for only 15% more!Tue Apr 13 1993 19:5510
1902.136SPESHR::WCLARKwe be jibin'Thu Apr 15 1993 11:4626
1902.137Series vs Paralel wiringMILKWY::UTTLEYThese go to eleven!Wed Nov 10 1993 07:5812
1902.138CAPNET::WCLARKwe be jibin'Wed Nov 10 1993 08:2110
1902.139update on compound loaded tube subsCAPNET::WCLARKwe be jibin'Wed Jan 19 1994 14:1342
1902.140Sorry About the DynaudioTIS::GRUHNWed Jan 19 1994 16:1822
1902.141Triangular Twin 8inch in long room.CHEFS::TAFF::WobRobert Screene, UK Finance EUCFri Oct 07 1994 13:0164
1902.142CAPNET::PSM044::wclarkFri Oct 07 1994 14:2644