| DIY Loudspeakers Troels Gravesen, Denmark |
|
|
| Nothing for the time being. |
| Speakers' Corner - last updated 28 March 2012 - |
| 2012 start: ScanSpeak Illuminator construction, 2-way stand-mount monitor or floor-stander. |
|
17-05-2012:
Jenzen Illuminator,
3-way TL design from ScanSpeak W26/8861T00, 18WU/8741-T00 and
D3004/660000 30-12-2011: Test of ScanSpeak tweeters, D3004/660000 and D2904/710003 |
| 17-05-2012:
SP44,
built by Torsten, Germany.
13-05-2012: Large 3-way built by John, US. Based on PHL 5011, JA8008 and SEAS T35 13-05-2012: TQWT, built by Daniel, Denmark 06-05-2012: Peerless 830860, built by Tomas, Spain 03-05-2012: Ekta, built by Alan/UK 22-04-2012: DTQWT, built by Nicola, Italy 15-04-2012: CNO-25, built by James. Stunning cabinet work! 14-04-2012: Ekta, built by NNN, Italy 13-04-2012: 3-Way Classic, built by Victor, Ukraine 10-04-2012: Ekta Grande, built by Dean, US 04-04-2012: Ellam XT, built by Omar, Mexico 19-03-2012: Response from Wendy/US on JBL Up-Grade-Kit 15-03-2012: Totally Stoned 3-Way Classic, built by Federico, Italy 28-02-2012: Ellam-XT, built by Girmantas, Lithuania 28-02-2012: CNO-25, built by Ryno, South Africa 21-02-2012: CNO-25, built by Mehmet. 19-02-2012: Jenzen SEAS ER, built by Gerrit/NL 08-02-2012: SEAS W15LY001-22TAF/G, built by Daniel, Russia 25-01-2012: Ellam-98, built by Tom, Australia 24-01-2012: Jensen 1071, built by Yetkin, Turkey 20-01-2012: QUATTRO, built by Ben, US 16-01-2012: TQWT, built by Steve, UK 09-01-2012: Ekta Grande built by Tim, Australia 08-01-2012: OBL-11, built by Carl/UK 08-01-2012: Ekta Grande, built by Petr, Czech Republic 04-01-2012: CS Monitor, built by Chris 03-01-2012: NOMEX 164, built by Ed 02-01-2012: SEAS 2½-way CA18RNX, built by Kimon, AU
23-12-2011:
OBL-11
built by Ivar, Norway
|
![]() Click heading to go to overview of HES constructions. Click image to go to HES speakers introduction. Read feedback from HES builders here: http://www.troelsgravesen.dk/Builder's_response.htm TQWT mkII: 2-way tapered quarter-wave design, JA8008+TW034/waveguide 8008-CENTER, for the complete 8008 surround set, built around JA8008/TW034 drivers. Tweaking the DTQWT, incl. intro to TQWT-mkII and DTQWT-mkII OBL-11, Open Baffle Loudspeaker. My homage to Gilbert A. Briggs' SFB. JA8008/TW034 and Eminence Deltalite II 2515, fully passive crossover. OB-09, open baffle construction, JA8008/TW034 and Eminence Deltalite II 2515, 15" bass driver OB-07 open baffle experiments, Supravox 215RTF + JBL LE26/waveguide + Goodmans Axiom 150 mkII DTQWT experiments, JBL LE26/waveguide + Goodmans Axiom 150 mkII, Supravox 215RTF Amps for TQWT and DTQWT, some general thoughts on suitable amplifiers |
| Accuton Constructions |
| Jenzen
Accu, Accuton
C173-6-191E + Accuton C30-6-024 + Audio Technology 10C77-25-10-KAP
Jenzen D, Accuton C173-6-191E + Jantzen JDT-1024 + AudioTechnology 10C77-25-10-KAP (I consider the Accuton the main driver here) |
| SEAS Constructions |
![]() Click heading or image to go to SEAS constructions' overview. Jenzen SEAS NEXT T25 and -T29. The luxury versions of Jenzen SEAS ER. Jenzen SEAS ER and CA constructions. Making high-end sound from budget drivers. Acapella NEXT, W22NY001+W18NX001+T29CF001 Acapella SEas, W22EX001+W18EX001+T25C003 Acapella SE single pdf file. Acapella LWJ, Acapella SE and Acapella SEas constructions (pdf) download Acapella SE drawings, zip file Point75i, SEAS L22RN4X-P + W15CY001 + Expolinear NDRL81 Point75A&B, ScanSpeak 18W/8535+SEAS W15CY001 + Expolinear NDRL81/alt. NEO3PDR (pdf) - Cyclop, W26FX002+M15CH002+T29CF002 Poor Man's Strad, CA22RNX+MCA15RCY+T27TFFC Poor Man's Strad-EXCEL, W22EX001+W15CY001+27TFFC SEAS CA18RNX, 2½-way floorstander from SEAS CA18RNX + SEAS 27TDC. CNO-25, 2½-way CNO, x W18NX001+T29CF002 SEAS TOK (tweeter overkill), CA18RNX+T29CF002 CA18RNX, 2½-way floorstander, 2 x CA18RNX + 27TDC 3W-Classic, CA22RNX+MCA12RC+27TFFC TJL3W, W18E001+W12CY001+HIQUPHON OWI download TJL3W, large graphics, zip file TJL3W, W18E001+W12CY001+Fountek JP3 SEAS W17EX001/SS-8513, W17EX001 discontinued Scoperta, mini TLs, W15LY001+Peerless HDS SEAS 5INCH minis, CA15RLY, W15CY001, W15LY001, 22 TAF/G Eekels' minis, W12CY003+22TAF/G |
![]() Click heading or image to go to ScanSpeak constructions' overview. Jenzen Illuminator, 3-way TL design from ScanSpeak W26/8861T00, 18WU/8741-T00 and D3004/660000 ScanSpeak Illuminator. A twenty liter stand-mount from 18WU/8741T00 and D2904/710003 Jensen 1071, 3-way, 26W/8861T00 + 18W/8531-G00 + D2905/9900. Jazzman, 3-way from W22/8857T00 + 15W/8530-K00 + Vifa XT25TG SP44, 3-way, 18W/8530-G00 + Accuton C44 + Hiquphon OWI SP38/13, 18W/8531-G00 + D3806/8200 + D2010/8513 Ekta Grande, 18W/8531-G00 + 12M/4631-00 + R2904/7000 or Vifa XT25TG-30-04 Ekta, 18W/8531-G00 + 12M/4631-00 + R2904/7000 or Vifa XT25TG-30-04. Zahra, 2 x 18W/8543-00 + 13M/8636-00 + D2904/9800 Mark21, 3-way, 21W/8554+15M/4531-K00+XT25 SP95, 18W/8531-G00 + D2905/9500 SP98-09, 18W/8531G00 + D2904/9800 Amish 45/95, 18W/8545-00 (-K00) + SS D2905/9500 Amish revisited, 18W/8545-00__18W/8545-K00__D2905/9500__D2905/9700 18W/8542-00 +9700/9500, 18W/8542-00 + D2905/9500 or D2905/9700 STUDIO 101, 2-way, 18W/8542-00 and SEAS 27TFFC tweeter CSM-Compact Studio Monitors, read intro, 18W/8545-00 (-K00) + Vifa XT25TG-30-04 CS-Monitor, 18W/8545-00 + Vifa XT25TG-30-04 CS-Monitor 18W/8545-K00 +Vifa XT25TG Ellam-25, 2½-way EllamXT, Compact 2½-way, 15W/8530-K00 + Vifa XT25TG-30-04 Ellam Dappo, Compact 2-way d'Appolito, 15W/8530-K00 + Vifa XT25TG-30-04 Ellam XT25, Compact 2-way, 15W/8530-K00 + Vifa XT25TG-30-04 Ellam-9800, Compact 2-way, 15W/8530-K00 + SS D2904/9800 W1500/97, Compact 2-way, 15W/8530-K00 + SS D2905/9700 |
| Jenzen speakers |
Jenzen SEAS ER, 3-way TL design from SEAS CA25RFX, CA18RNY and T25C003 Jenzen NEXT, 3-way TL from SEAS W26FX002, W18NX001 and T25C003/T29CF002 Jenzen Accu, 3 way TL from Audio Technology 10C77-25-10-KAP, Accuton C173-6-191E and Accuton C30-06-024 Jenzen D, 3 way TL from Audio Technology 10C77-25-10-KAP, Accuton C173-6-191E and Jantzen Audio diamond dome JDT1024 Jenzen Illuminator, 3-way TL design from ScanSpeak W26/8861T00, 18WU/8741-T00 and D3004/660000. |
| Up-Grade Kits for classic vintage speakers |
JBL
L100 Century Tannoy
MG15 YAMAHA NS1000M
|
| AudioTechnology Constructions |
![]() Click heading or image to go to Audio Technology constructions' overview. PRELUDE, ambitious 3-way from AudioTechnology 10C77 bass and 15H52 mid + ScanSpeak 9900 tweeter AT-SW, 2-way compact vented standmount from AT 18H52 midbass and SWANS planar tweeter AudioTechnology 10C77 sandwich cone bass driver. Pre-study for new 3-W project |
![]() Click heading or image to go to Peerless constructions' overview. NOMEX 164, new 2½-way Peerless, Peerless HDS 830875 + ScanSpeak D2608/9130 drivers Peerless HDS-PPB (830860) + DX25TG05-04 or XT25TG-30-04 Peerless/Vifa Center, HDS 831882 + XT25TG30-04 2½-way HDS164 + Vifa XT25TG, HDS164, 850438, discontinued HDS134 + DX25TG-05-04, HDS134, 850488, discontinued |
![]() Click heading or image to go to constructions' overview. PL14WJ-09-08 + XT25TG-30-04, 2-way 11.5 liter bookshelf mini, or 25 liter d'Appolito PL18WO-09-08+XT25TG-30-04, floorstander, 24 liter C17WH d'Appolito: C17-I, C17-II, C17-III, C17-mk4. C17 drivers very hard to find C20WH-07-08 + Monacor DT300/waveguide. C20 drivers very hard to find |
![]() Click heading or image to go to HES speakers intro, part I High Efficiency Speakers, intro and experiments OBL-11, Open Baffle Loudspeaker. My homage to Gilbert A. Briggs' SFB. JA8008/TW034 and Eminence Deltalite II 2515, fully passive crossover. DTQWT mkII, 95 dB double-tapered-quarter-wave-tube design, my reference speaker TQWT mkII, 95 dB tapered-quarter-wave design Tweaking the DTQWT, incl. intro to TQWT-mkII and DTQWT-mkII OB9, 2009 open baffle construction with JA8008/TW034 and Eminence Deltalite II 2515, 15" bass driver OB7, Goodmans Axiom 150 mkII + Supravox 215RTF64 + LE26 dipole panel Supravox full-range experiments in DTQWT cabs Supravox 215GMF tweaking for better performance Vifa C17WH d'Appolito: C17-mk1, C17-mk2, C17-mk3, C17-mk4, C17 drivers discontinued and very hard to find C20WH-07-08 + Monacor DT300/waveguide. C20 drivers discontinued and very hard to find Monacor SP200X + Fountek JP3 ribbon |
OBL-11, Open Baffle Loudspeaker. My homage to Gilbert A. Briggs' SFB. JA8008/TW034 and Eminence Deltalite II 2515, fully passive crossover. OB9, 2009 open baffle construction with JA8008/TW034 and Eminence Deltalite II 2515, 15" bass driver OB7, Goodmans Axiom 150 mkII + Supravox 215RTF64 + LE26 dipole panel |
![]() Click heading or image to go to vintage intro German SABA greencones, pics, links and some modelling. Mail
exchange with former Wharfedale employee JBL L100
Recreation, new aperiodic cabinet Vintage ScanSpeak. W21-3804-P2A and D3804 drivers. Tannoy
MG15 Upgrade Filter Sonab OA5 mkII speakers, Stig Carlsson's omnidirectional speaker from the Seventies Philips
9710 Part I-II-III Blackcones,
vintage SEAS 21 TV-G and SEAS 9 TV-LG, my Christmas break
fun project and final chapter on resonant boxes. Goodmans
Axiom 150 mkII Dali800 renovation, new tweeter and crossover Vintage Russian extended range drivers, 5GDH4 + super caps. Preliminary report |
| Back to
Index What it takes to make a crossover, - please read!! Choices, How to pick the right diy speaker project. Size matters! My measuring equipment, books and articles useful for getting started in loudspeaker building How female vocals can make your hair turn grey - and can low-order filters do something about it? Large domes, part I. Test of Chario Sonnet, modified Audax TW034 and Ciare MT320 domes. Tweaking the Audax TW034XO-P47N dome for better performance. Tweaking SWANS RT2H-A planar tweeter for better performance. Waveguide for ScanSpeak D2904/710003 tweeter. More on waveguides for ScanSpeak tweeters Vent tuning, calculation of vent length Calculation of box volume and ports. Can we calculate box volume at all? Wide Baffles, introduction, Stradivari, how does wide baffles impact sound reproduction Study on stepped baffles with little impact on tweeter performance. Make your own non-inductive graphite resistors! Tips & Ideas, Glue for crossovers, solder tag strips, flaring plastic vents, damping materials, etc. Cabinet damping, Please check this before writing on cabinet damping. Find the polarity of your driver Placement of coils in crossovers Choosing the right point of crossover Definition of frequency ranges The importance of wiring crossovers correctly SS 9500, 9700 and 9900 tweeters, why they are not interchangeable Why it's not so easy to make a small mini into a 3-way. Fountek JP3 ribbon replacement, pdf file. The importance of chamfering driver holes. A small study. Links to other sites: Good article on series vs. parallel crossovers. |
Test of DiyHiFiSupply EZ line stage Test of MANGER MSW transducers Norwegian Wood, review of MAE1, Single Ended Tetrode Amplifier Kit from Norway Review of vintage Snell A3i loudspeaker Jungson JA88D-09, 2 x 80 watt class A solid state amp |
![]() Phono stage based on Transcendent RIAA schematics 6N6P line stage with output transformer Jungson JA88D-09, 2 x 80 watt class A solid state amp Garrard 401 turntable/Jelko 750 300B, 8 wpc SET integrated amplifier Dynavector XX2 mkII cartridge (link to Dynavector) Speaker cables and interconnects
Former owned components (within the last few years): Audio
Mirror, Vladimir Bazelkov's 6AS7 PSE, 20 wpc mono blocks, rebuilt to
6C33 tubes |
Crossover components found on this website
are sponsored by Jantzen Audio, Denmark. For questions regarding the constructions on this site, please contact me at: troels.gravesen@hotmail.com |