/ 1 ~ 2014 may 28 troels gravesen DIY Loudspeakers - Troels Gravesens Troels Gravesen's DIY Loudspeaker Projects has a number of very well built
speaker projects. ChoicesBeing a newbie in diy-loudspeakers, the #1 question 1 ~ 2014 apr 04 wharfedale driver cone Wharfedale Super 8 - Troels Gravesen The Super 8/RS/DD is in many ways a modern driver . A highly ventilated chassis
houses the straight-sided paper cone attached to a voice coil wound with ... 3 -2 2014 may 30 speaker diy HES, High-Efficiency Speaker Constructions. Click heading to go to overview of
HES constructions. 3 +1 2014 mar 31 briggs filter loudspeaker OBL11 - Troels Gravesen This is my homage to Mr. Gilbert Briggs , founder of Wharfedale loudspeakers ...
making a 10 inch and 12 inch driver running in parallel with no low-pass filter is ... 5 +2 2014 may 05 calculate port length pvc Vent tuning , calculation of vent length - Troels Gravesen The port length required to tune a volume of air to a specific frequency can be ...
in a plastic bag and submerge it in water to measure the volume is a little funny. 5 -1 2014 apr 18 tannoy gold monitor Tannoy Monitor Gold 15 - Troels Gravesen A pair of dual concentric Tannoy drivers have been on my wish list for a long time
. Try Google " tannoy monitor gold " and you will be flooded with web pages ... 9 +1 2014 may 16 wharfdale sand filled Wharfedale Super3 - Troels Gravesens The Super 3 was used in the Wharfedale SFB ( sand filled baffle) mounted on the
rear of the cabinet, pointing upwards. (images nicked on eBay) Download ... 10 -2 2014 jun 30 vifa studio monitor kit ScanSpeak Projects - Troels Gravesens What makes a " studio monitor " different to any other "hifi" loudspeaker? Well, a
true studio monitor is supposed to have a reasonably flat on-axis response ... 10 -2 2014 jun 08 chario Chario Sonnet - Troels Gravesens Do not expect a Stereophile type of review of these charming Chario Academy
Sonnet loudspeakers. I cannot write page after page of how a loudspeaker ... 10 +1 2014 may 16 monacor Monacor SP200X + - Troels Gravesens The Monacor SP200X is a cost-effective fullrange driver, built on wellknown
premises and also sharing some of the bad qualities like a thin dust cap over an ... 10 +4 2014 apr 25 diy speaker kits DIY Loudspeakers - Troels Gravesen HES, High-Efficiency Speaker Constructions .... Up-Grade Kits For Vintage
Speakers . JBL L100 Century ... 10 -5 2014 apr 02 diy speakers in canada Page Index Updates Builders' response For sale Speakers ' Corner Jan- .... 08-03
-2014: Up-date on Ellam FLEX 3W, built by Bertrand, Canada 11 +23 2014 jun 30 scan speak revelator ScanSpeak Illuminator Monitor - Troels Gravesens Former top of the range drivers from ScanSpeak featured sliced paper cones, the
Revelator series. Revelator drivers are a dream when it comes to crossovers. 11 +4 2014 jun 17 tannoy monitor Tannoy Monitor Gold 15 - Troels Gravesens A pair of dual concentric Tannoy drivers have been on my wish list for a long time
. Try Google " tannoy monitor gold" and you will be flooded with web pages ... 13 +5 2014 jul 01 scanspeak discovery dome midrange So long that the ScanSpeak Discovery series wasn't developed yet. 13 +3 2014 may 14 cyclop CYCLOP - Troels Gravesens This is a speaker I've wanted to do for a long time. A 3-way design from 10" bass
drivers supplemented by relatively small midrange drivers. I liked my ... 13 -2 2014 apr 13 clio make kap 10C77 - Troels Gravesen Audio Technology 10C77-25-10- KAP Copyright 2009 ... First of all I do not intend
to make a vented system for this bass driver, rather a transmission line cabinet. 13 -2 2014 apr 08 wharfedale bass driver OB9 - Troels Gravesen The JA8008/TW034 combo helped by the 15" Eminence bass drivers will
probably never ... A decent clone of the beautiful vintage Wharfedale SFB
speaker. 13 -1 2014 mar 30 active vs passive crossover Electronic crossovers , pros and cons. - Troels Gravesen Any loudspeaker crossover , being active or passive , divides the frequency band
between drivers with regard to amplitude and phase and ensures a balanced ... 13 +2 2014 mar 28 my speaker plans Over the years my focus has moved from small inefficient speakers to larger .... 18
-10-2012: Jenzen Accu mkII, use Jenzen-D front panel design ... 15 +2 2014 may 17 hypex Hypex - Troels Gravesens I decided to go a little further aiming at 200 wpc and the Hypex modules seems
ideal for this. Ready made circuit boards, and all you need is a chassis and a ... 15 +22 2014 may 08 pioneer bass filtre High Efficiency Speakers - Troels Gravesen The JBL 12" bass driver really handles all of the midrange and the Pioneer ...
major trouble due to poor filtering but I wouldn't be surprised if Pioneer had made
a ... 15 -9 2014 apr 03 diy speakers canada 16 ~ 2014 jun 21 single driver speakers High Efficiency Speakers - Troels Gravesens One important thing: What we often hear reported from single driver set-ups, is
the revelation of minute details in the ... 16 +9 2014 apr 15 jiuceamp and speaker kit In case you want advice on which speaker to build, please read both "choices"
and "crossovers" ... Up-Grade Kits for classic vintage speakers : 17 -4 2014 may 05 seas loudspeaker drive units SEAS constructions - Troels Gravesen Read about the latest and best SEAS speaker I've ever made. 17 -5 2014 apr 01 audio note speakers Why bother about 95-100 dB/1 watt speakers when we have almost ..... I'm sure
the answer from Audio Note would be that this speaker should be placed in ... 18 +8 2014 jun 16 seas full range speaker 11-04-2014: SEAS NEXT4 speaker construction. Four drivers and the ... 02-11-
2013: Test of ScanSpeak mini full range drivers, 5F/8422T01 and 10F/8414G10 18 ~ 2014 may 19 super3 The Super 3 was used in the Wharfedale SFB (sand filled baffle) mounted on the
rear of the cabinet, pointing upwards. (images nicked on eBay) Download ... 19 +27 2014 may 09 tune box softwar vent tuning - Troels Gravesen In all the ported systems I have made, I have used box simulation programs
suggesting optimum cabinet volume (Vb) and vent tuning (Fb). However, port ... 19 -6 2014 apr 17 best vintage speakers Vintage HiFi - Troels Gravesen Below and overview of some vintage hifi drivers and speakers I have bought ...
became the best selling loudspeaker model of any company in the Seventies. 20 -8 2014 may 27 pris hes Single Driver Systems Extended Range Drivers HES Part II Size, Efficiency and
.... and maintain some treble level, and the price to pay is weak or no bass at all, ... 20 +21 2014 may 15 6c33c amplifier AudioMirror-6C33 - Troels Gravesens Re-building Audio Mirror amps for 6C33 triodes. Copyright 2011 ... I will suggest
you to try auto bias for the 6C33C . I recently did that and I am ... 20 -3 2014 may 14 fostex Fostex FE126E + - Troels Gravesens Fostex has a large program of fullrange drivers and from searching the web, they
appear to have a mixed reputation. Lightweight paper cones and large ... 22 -4 2014 may 04 effective cone diameter PL14WJ09-08 - Troels Gravesen Mechanical resistance. Rms 1.3. Kg/s. Moving mass. Mms 8.2 g. Suspension
compliance. Cms -- mm/N. Effective cone diameter . D. -- cm. Effective piston area. 22 +28 2014 apr 02 best hi end bass At its best , high - end audio sound is impressive open and clear, with deep bass ,
shimmering highs, and a flair for thrilling spatial effects: At its worst, it's lifeless ... 22 +16 2014 mar 25 little gold monitor TannoyMG15 - Troels Gravesen Try Google "tannoy monitor gold " and you will be flooded with web pages
describing .... This dual-concentric principle is a little wonder but I have always
been ... 24 +32 2014 apr 08 line stage amp Duro - Troels Gravesen The Hedo/Duro is the power amp section of the Jungson JA88D-09, stripped to ...
I use my WOT line stage and I could run this is balanced mode but prefer the ... 25 +5 2014 may 26 dome tweeter Large domes - Troels Gravesens I changed the heading from "large domes " to "large tweeter domes " as large
domes might suggest mid- domes as well, usually having a voice coil diameter of
... 25 +35 2014 may 19 philips loudspeaker 4 ohm 25 Philips 9710/ - Troels Gravesens This is usually only seen from symmetric drive (SD) speakers where the pole
piece is 27 -7 2014 may 15 back loaded horn recommended enclosure FE126E. RECOMMENDED ENCLOSURE. Unique Back Loaded Horn + Bass
Reflex Hybrid Enclosure. 115. 152. 192. 262. 59. 118. 172. 226. 345. 92. 405.
150. 27 -3 2014 apr 10 open baffle speaker This is my homage to Mr. Gilbert Briggs, founder of Wharfedale loudspeakers and
... Many experiments went into this OBL11 open baffle speaker based on the ... 30 +27 2014 may 06 speaker parts fro jbl JBL L26 restoration and upgrade - Troels Gravesen Link to Part II, the 3-way option. ... Why bother with an old JBL speaker at all? ... I'
ve never done foam surround replacement on such a large driver before and ... 31 +27 2014 jun 10 er15rly SEAS constructions - Troels Gravesens SEAS NEXT4 April 2014. Smooth when music is smooth, harsh when music is
harsh. Read about the latest and best SEAS speaker I've ever made. 31 +31 2014 apr 04 omni directional speakers Sonab OA5 mkII speakers, Stig Carlsson's omnidirectional speaker The Sonab range of speakers from the Seventies are speakers I've long been
looking for in order to find out what the 9710 could do in an omnidirectional set-
up, ... 32 -12 2014 may 30 jensen seas Four drivers and the best SEAS construction I've ever made. 21-03-2014: Test of
.... 24-03-2014: Jensen 1071, built by Ziggy, Poland 19-03-2014: Discovery ... 32 +2 2014 may 20 open baffle full range OB7 - Troels Gravesens Also view OB9, 2009 open baffle construction and OBL-11, the final OBL ... by
this I mean the Supravox run almost fullrange with a point of crossover as high as
... 34 ~ 2014 may 15 wharfdale woofer service The Wharfedale Super 8/ - Troels Gravesens One of the flattest and most extended frequency responses of a speaker from that
.... Wharfedale to form Castle Acoustics while Phil remained to run the Service ... 35 ~ 2014 mar 24 top turnable plate Lenko L75 turntable - Troels Gravesen Lenco L75 turntable , Jelko SA750LB, Dynavector XX2 mkII. Copyright 2012 ...
Right: Top plate damped with 4 mm bitumen pads. This takes ... 37 -1 2014 may 31 illuminator Jenzen- Illuminator - Troels Gravesens Jenzen Illuminator is a follow-up to Jensen 1071. I'll keep the Jensen 1071 on the
website as quite a few people have built it - and liked it. Please check builders' ... 38 +19 2014 jun 23 parent power tweeter TJL3Wbuilt by Kuisma/ First tests were made in my parent's house (wood construction) and there bass
section 38 +63 2014 apr 08 wharfedale speaker systems Wharfedale_CabinetModels_1962_page1-8.pdf - Troels Gravesen loudspeaker system to a 15 watt ampliﬁer for ordinary ... be used with eﬁ'icient
speaker systems . .... sound source for which Wharfedale speakers have long. 40 +5 2014 may 20 dali speakers Renovation of Dali 800 speakers . - Troels Gravesens Taking the Dalis onto the test-bench proved to be slightly embarrassing, because
we had both found the Dali 800 a fine and easy-to-listen-to speaker with ... 40 ~ 2014 apr 23 flex speaker list Ellam- FLEX -3W - Troels Gravesen Bi-amping the Ellam FLEX 3W takes the Ellam F3W speaker to another level. ...
The parts' list covers both version as it only takes 4 more resistors. For full ... 44 -2 2014 jun 12 obligato gold set cheap 300B NFB SET - Troels Gravesens For reference I had the AVVT and some cheap Chinese valves. 44 +57 2014 jun 06 dit construction websites Feel sure I need your response to make this website better.
I have a lot of ... Four drivers and the best SEAS construction I've ever made. 46 +38 2014 jun 12 scan speak subwoofer Several months of work went into this design and it's so far the biggest
ScanSpeak construction I've ever made. The Jenzen Illuminator features a
stepped front ... 46 +20 2014 jun 05 5 inch SEAS 5INCH - Troels Gravesens From left: SEAS CA15RLY, W15CY001 and W15LY001, Tweeter: 22 TAF/G (
H1283) Click images to go to construction. Click driver id for full data (SEAS
website). 46 +13 2014 may 23 tannoy 47 -5 2014 jun 10 jbl germany JBL L100 Century - Troels Gravesens The kit is suitable for those JBL variants using the 123A woofer, LE5-2 midrange
..... This German up-grader got it right: Free of nearby boundaries and a much ... 47 +54 2014 jun 01 vintage scan design Vintage . Feature articles, tips, ideas, cabinet damping, coils, etc. My system,
amps 47 +5 2014 may 28 cabinet ready crossover JBL L100 Century, - Troels Gravesens Go to: CABINET CROSSOVER KIT ... a new high-quality 60-teeth blade, it cuts
pre-veneered 22 mm MDF like butter, leaving razor sharp edges ready for gluing. 47 +45 2014 may 22 tannoy speaker Read here: tm. I rush to tell that I did not become
a Tannoy owner this time due to price. Something in the range of 2,000 USD is ... 47 -25 2014 apr 15 trafo step up Transcendent RIAA - Troels Gravesen Link to Silk MC step up transformer from SAC/Thailand ... providing 52 dB gain, is
currently used with my Dynavector XX2 mkII cartridge through SILK trafos and ... 48 -28 2014 may 18 single driver If we want a single driver to do it all, the driver cone simply cannot be very big in
order to keep mass low and maintain some treble level, and the price to pay is ... 49 -29 2014 jun 30 tannoy hi fi speakers Vintage HiFi - Troels Gravesens A pair of Tannoy Monitor Gold IIILZ drivers were available on ... No, they are not
aural nirvana - few speakers are - but they ... 49 +38 2014 apr 08 crossover speaker design In most cases you will need a new crossover and I would need your speaker on
my test bench to tell ... The Jenzen speakers , 3-way TL designs . 49 +29 2014 mar 29 tune box software 50 +51 2014 may 08 thd cap digital 300B NFB SET - Troels Gravesen After some serious coupling cap tests, this amp delivers some of the most ....
Digital was Shanling T80 with silver/gold coupling caps and WE396A tubes in
buffer ... 52 +12 2014 may 18 2 way cabinet ready crossover ellam flex cabinet page for details on construction - Troels Gravesens Due to the intrinsic bracing of a TL, the panels used here are not critical. But first
the 2 - way cabinet . Left: Outer mid front panel (made in one piece here for the ... 52 +29 2014 apr 16 cabinet de scan ScanSpeak Projects - Troels Gravesen 2-way floorstander from ScanSpeak 18WU/4741T00 + D3004/660000 or R3004/
... The 18W/8531G00 can go low in a suitable top cabinet and possibly a simple ... 53 -20 2014 mar 30 jbl replacement drivers The quality build of these old JBL drivers is excellent and they hold qualities not
... I've never done foam surround replacement on such a large driver before and ... 55 -27 2014 jul 01 van den hul van den Hul Grail phono stage - Troels Gravesens Good fortune gave the opportunity to audition the van den Hul Grail phono stage.
Having enjoyed my 6C45pi phono stage for a long time - and being very ... 58 ~ 2014 jun 21 studio speakers Studio -101 - Troels Gravesens Only a few speakers were well balanced like the BBC studio monitors , e.g.
LS35A, BC1, etc., thus the distinction between home speakers and studio
monitors . 58 -16 2014 may 05 dipole woofer simulation software Wide Baffles - Troels Gravesen The obvious next step would be the dipole bass, but I've had my share of ... with a
close simulation of what you hear in a concert hall in terms of envelopment. ...
Any driver mounted on a baffle will have an f3 = 11,600/width of baffle in cm. 59 +42 2014 may 28 cinetson Voigt horn for the SP200X from Rodolphe in France and he mails this link (
page 6): 59 -22 2014 may 02 jbl speaker parts 60 ~ 2014 may 07 sonus faber stradivari Wide Baffles, introduction, Stradivari , how does ... - Troels Gravesen The launch of the Stradivari by Sonus Faber has created quite a debate and what
has been argued against wide baffled speakers is some loss of pinpoint ... 62 -4 2014 jun 25 audio amp kit 2 way active crossover In most cases you will need a new crossover and I would need your speaker on
my test bench 62 +39 2014 jun 02 speakers fine tuning Building speakers has be on and off since high school, but with the ... clear that
doing crossovers by calculation and fine - tuning by ear had its shortcomings. 62 ~ 2014 apr 05 horn speakers diy The Fostex construction at Nelson Pass' website may be the best compromise if it
has to be "the one and only": 64 ~ 2014 jun 13 ez leveler ii hong kong EZ_Line-stage - Troels Gravesens EZ Line Stage from diyhifisupply, Hong Kong ... Then comes another piece of
music suggesting this doesn't come with the level of resolution it could be. 64 ~ 2014 may 15 teflon wire cables - Troels Gravesens By request, a few notes on my cables and interconnects. ... So, I bought 0.4 mm
pure silver wire and teflon tubes and changed all interconnects in my system to ... 65 -37 2014 may 24 tannoy speakers 65 -5 2014 may 22 waveguide speaker technical Why bother about 95-100 dB/1 watt speakers when we have almost unlimited 65 -21 2014 may 18 acappela Acapella SEasThe non- - Troels Gravesens The all-SEAS Acapella . Fooling around with the Aurum Cantus G2Si ribbons and
the SEAS T25C001 dome tweeters, it appeared that these drivers have exactly ... 68 +33 2014 may 18 jbl bass The JBL Kit is doing well and it's time to assemble my own "L100" from my eBay
purchases. A true L100 box replicate it won't be because the 123A bass driver ... 70 ~ 2014 jun 08 cap uf super- caps - Troels Gravesens We're used to paying in the range of 4-6 USD for a 4.7 uF standard PP, where a
similar super cap is around 20-40 USD. Quite a difference. Caps , like coils and ... 71 +30 2014 may 14 hight end speaker Why bother about 95-100 dB/1 watt speakers when we have almost unlimited ...
Also remember that the high - end audio establishment didn't take long to dismiss
... 71 -20 2014 mar 24 buy tweeter adds Vifa C17WH- - Troels Gravesen I've been looking at the Monacor DT300 tweeter for some time and finally
decided to buy a pair. ... The blue is when we add the impedance correcting RC
circuit. 72 +3 2014 may 18 superior cross SP JENSEN 1071 Superior Cross Cap + C-Coil - Troels Gravesens Jensen's 1071 Scan Speak kit. Design © Troels Gravesen. Superior / Cross Cap +
C-Coil Version. 23-01-2011 email@example.com. Coils: dim. mm. 72 +29 2014 apr 11 silcer coated ptfe wire cables - Troels Gravesen So, I bought 0.4 mm pure silver wire and teflon tubes and changed all ... Jantzen
Audio 13 AWG (2.6 mm^2) silver plated copper in PTFE sleeve used for main ...