There is no question of the bass sound reproduced
from our hifi system has always being in the mind's
eye of most learned audiophiles to be/ should be
taut/tight/tuneful/with correct amount of decay &
no overhang whatsoever. So far so good? So what's
the big deal about the bass sound, as long as the
above are fulfilled or nearly there?!
However, to the audiophile community there is
still the question of preferences clouding the
thoughts & making some adjustments to the much
subjective(presumably it is) taste of like and
dislikes! As there are audiophiles who will
listen to bookshelf speakers with very little bass
and probably will continue to do so all their life.
And there are others who must have a pair of
floorstander speaker for their sonic diets!
Yet another even smaller group of listeners
who will and can only listen to their music
with subwoofer or subwoofers augmenting
the low registers and may even be the
lowest of frequencies that we could humanly
tolerate!
So we have different tastes and different
preferences and variously different hearing
acumens and ability. How about getting the
bass to sound closer to what we find in real
life events? (Now you are talking!) I now
throw a question to readers : Should the
bass sound be tuned to be close to or like
those of real events? Yes, no?
No! You say! We can never get there!
Alright then, how about a little bit of
excitements to entice our sonic diet?
How about some "chest hitting" bass?
(Are you nuts?) No! Seriously, we can
if we are willing to come up with the molah!
Actually, we can that is if we really want
those earth shaking bass! There are lots
of expensive hi end subwoofers out there
to choose. Make a google and one will find
plenty of brand types!
That seems easy enough, right?! Now here
comes the difficult part! How do audiophiles
tune the bass to get the 'chest hitting' bass
and at the same time have that bass sound
to be a important part of the soundstage?
I will let our readers here ponder for a while
with this idea. Please provide your comments
if you think it could be done!
Monday, December 13, 2010
Saturday, December 11, 2010
A diy task: Refurbish a subwoofer unit
Though this task was performed and completed
in June 2010, it is only now that I could put
this as a blog entry( I mean diary entry)
The dismantle of the subwoofer was a nerve
wrecking event at the beginning, as most of the
circuits are placed at the bottom of the cabinet
and have to be removed in parts, but when I
got a hang of it, I picked up the momentum
to proceed at a faster pace. The several
minor tasks include removing dust from the
components, after I had removed the cover from
underneath the subwoofer unit as it's one
of down firing design. The unit a NEC
subwoofer of the 1970s period, definitely
needed a change of capacitors to the power
supply section, I have to decide if the
original specifications be changed to suit
the type of sound of today or retain the
same signature sound of that period.
Since this subwoofer is part of a pair
(I've 2 units of the same) and to be used
as a stereo pair after the refurbishment,
so I followed back the same component
change as the other earlier acquired
unit but previously used in a mono
configuration. The handiwork was pretty
tedious, as it required dexterity of both
hands, magnifying glasses, and a strong
light source to enable me to see what
I'm doing! And yes, even before the change
of the electronic components, the woofer
cones were worked on, the rubberised(not
rubber but of another material that akin
to rubber like feel) surrounds needed a
change, and my friend Uncle Chew a design
engineer supplied me with a glue that
do not harden with age, and one of several
methods to change the surround. I finally
incorporated some of his method with that
of my own, to get the job done.
The 12" driver I discovered was a JBL
driver with a pressed metal chassis and
not the cast iron chassis frame that JBL
enthusiasts liked so much. Anyway, after
the surround was replaced and double
checked for correct alignment, the new
electronic components were replaced and
the circuit assembly put back in place, and
left to stand for a short while before it's
incorporated into the multi subwoofer
system that I've been using all this while,
and then the final test, the powering up.
This is always the nervous part of any
redo of the system's component units!
The reality test!
All went well and the usual thoughts about
the unit to go thru the customary running in
for the new driver surround and electronic
components change, which I reckoned needed
a few hundred hours. Sure enough the sound
did change, but very subtle indeed! A couple
of months had passed since June! The sound
remained the same, more or less. So a simple
check on the tuning sufficed, and it's music
again! A word of caution though, those who
are diy challenged in this area, should not
attempt this without proper supervision from
the learned hifi & diy gurus.
Labels:
Hifi System: subwoofers
Friday, December 3, 2010
R's Music System
If one has followed the evolution(or development if u like to call it that) of friends' hifi system, one will be probably be amazed as to how the change of equipments could affect the sound so much! I have one such experience to document in this diary entry. I've followed my friend Mr.R, in my neighbourhood over a few years, to know this to be true! Then, the time of KEF floorstanders driven by Passlab amplifications and Classe CD source and now, Marantz sacd 1, Parasound preamp and parasound monoblocs driving a pair of Proac 3.8 speakers; depicted a very significant difference in the sound/music reproduction of those 2 time periods! As I recalled the big differences and gradual changes of the sound as the equipments get some further 'running in' , have me anticipating the possibility of much greater improvements of the the overall sound presentations and even more enjoyable listening sessions to come! From what I heard over the recent past few weeks when the changes to the sound of new replacement equipments started to be more apparent, I have to dismiss the idea of a quick writeup, but instead waited out to do a writeup till the sound gets even better!!! Now what I perceived of the sound presentation, was centred around the keyword: control. That good control all round, not superlative yet, maybe there will be more surprises to come, that I may not know yet. Maybe the gears could still show sign of greater improvements to come, as I could find more differences with each visits. signifcances of those room Pretty sure those room treatments (to be detailed in part 2 of this writeup) which were progressively put in place, contributed to the comfortable sound of the system. One matter is clear in my mind, room treatments do brings out more of the music! Mr.R being more of a music lover than a hifi enthusiast, is clearly shown with his choice of music spinned for his visitors. Very varied and nonetheless shows his love of music from his very large & impressive collection of CD based softwares of redbook CDs, SACDs and have many a visitor salivating over his many CD boxsets!!! And yes I know he also enjoys fine wines and good coffee. Alright, you have to ask, and what did I listen to with every listening sessions. You name it, Classicals, jazz, progressive rocks, country and western, music from the 60s, 70s, 80s, and some 90s. Each of the listening sessions, between an hour to sometimes 2 plus hours, were made up of a good cross section of various music genres. Almost always calling it a night followed with a supper session too. At the first ever listen session of the Parasound monoblocs, I asked specifically for the replay of the Dream of the Opera CD, followed by Fleetwood Mac's 'Dream' track, Tracy Chapman's "Baby Can I Hold You', Diana Krell's 'Look of Love', some Police tracks, some Karajan's work, Bob Marley and even Tsai Chin. The content of the music replayed, come as no surprise, good control at least as much as the Proac 3.8 could take it! If one don't go for that brute force test that is. The high, mid range & bass were more than sufficient for a not so overly aged person like myself. It will still take some much younger listeners to provide their views of the overall sound, to know if different age groups have listened to the same sound. At subsequent listening sessions, the listen materials were all different, still the system could hold the music together and the overall sonic presentations still provided those many enjoyable listening sessions and we have always set the sound loudness at a comfortable level for those many listening hours! And I am grateful to have The Wise One and Village Boy to keep me company during the many listening sessions and contributing to the discussions over supper. |
Labels:
Hifi System
Wednesday, December 1, 2010
B's Vintage Setup
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Labels:
hifi events,
Hifi System
Saturday, November 6, 2010
Consensus on a good sounding system
How often do we need to agree upon if a setup sounded good to one's hearing? The answer would be probably not! As human we can't agree upon anything, in fact nothing at all, unless we are signatories to an agreement! So will an arbitration by say 10 or even 100 learned & experienced audiophiles to listen to a setup(which could only be conducted at different times), be or would be able to judge if a setup to be considered good sounding, if even at all? Again probably not! Why is it so difficult to even judge if a setup sounded good enough to meet some of the important hifi parameters of good sound? Personal preferences, prejudices, likes and dislikes, used to a certain signature sound, and not used to other types of presentations?
Do you think that experienced audiophiles could provide some insights into this 'All Time Arguments' as to why different persons would perceived the sound reproduction of a system to various degree of excellence or lack of it for that matter? We have seen/read arguments some even out of hand in some blogs, forums and mailing lists, as to what quality of sound constituted.
Will there be a sort of ISO for music/sound reproductions in the near future?
Do you think that experienced audiophiles could provide some insights into this 'All Time Arguments' as to why different persons would perceived the sound reproduction of a system to various degree of excellence or lack of it for that matter? We have seen/read arguments some even out of hand in some blogs, forums and mailing lists, as to what quality of sound constituted.
Will there be a sort of ISO for music/sound reproductions in the near future?
Labels:
miscellanous
Sunday, October 24, 2010
BIG AND BRASSY– KLPAC Symphonic Band concert
BIG AND BRASSY celebrates the diversity of band music with an eclectic programme that will be brought to life by the 40-strong klpac Symphonic Band under the baton of Music Director & Resident Conductor, Bruce Lee, and Guest Conductor, Mitsuo Nonami.
Sit back and enjoy this wonderful journey that will take you from classical pieces like Mozart’s The Magic Flute rarely heard in band repertoire to almost forgotten band favourites ......like Incantation and Dance and to Broadway numbers like Seventy Six Trombones. In addition, the Tsun Jin Choir under the guidance of Wong Wai Quan will also be performing Cantate Dominum, Chinese folk song Alamuhan and I See You from the epic motion picture Avatar with the band.
Mentor and protégé will be reunited in this upcoming concert once again. BIG AND BRASSY promises to bring you on a fascinating musical journey. For more information, please visit www.klpac.org.
Presenter: KLPAC
Conductors: Bruce Lee & Mitsuo Nonami
Artistic Director: Joe Hasham OAM
Executive Producer: Dato’ Faridah Merican
Featuring: klpac Symphonic Band
Guest Choir: Tsun Jin High School Choir
Show Details
Date: 13 November(Sat) @ 8.30pm ; 14 November(Sun) @ 3.00pm
Venue: Pentas 1, The Kuala Lumpur Performing Arts Centre (KLPAC)
Sentul Park, Jalan Strachan, off Jalan Ipoh, Kuala Lumpur, Malaysia (location map & directions available on www.klpac.org)
Ticket Price: RM35 / RM23 (students & the disabled)
Box Office
Call / Walk In: klpac @ Sentul Park (03 4047 9000) or The Actors Studio @ Lot 10 (03 2142 2009 / 2143 2009)
Walk In only: Axcess HQ (Jln. Semangat) & 1-Utama outlet
Thursday, October 7, 2010
That Vintage Feel part 4: The Music Must Go On
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Labels:
Hifi System
Monday, October 4, 2010
That Vintage Feel part 3: The Music Presentation
That's The Blogmaster at the emperor's throne..................
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Labels:
Hifi System
Wednesday, September 22, 2010
My Room Acoustics Part 2
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Labels:
Room acoustic
Sunday, September 19, 2010
Audio Terrorists of Blogs
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Labels:
miscellanous
That Vintage Feel part 2: The Complete Metamorphosis
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Friday, September 17, 2010
That Vintage Feel
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Labels:
Hifi System
Tuesday, September 14, 2010
New Logo
It been a year and it is time for me to update this blog with a new logo.
It means listen with your ear, close your eyes and other senses.
Hope you like it.
KLau
It means listen with your ear, close your eyes and other senses.
Hope you like it.
KLau
Thirst for more 'Hakka Song".
Lately i've been listening to a lot of hakka song.
But the hakka language that i know is different.I can't understand any of the lyric but it would not prevent me to enjoy the music
I come to this cd when i ask Jo ki any alternative good hakka song beside Ah Tao.Thanks Jo,you should get the "getting dark" CD.
The first cd is "chung su" means planting trees by Lin Sheng-Xiang and by 2 japanese guitarist, Takashi Hiroyasu and Ken Ohtake.(I'm surprise )
My only grin is the whole cd tempo almost the same.Why this album use less instrument?.
Use more instrument but the guitar is better play in the "chung su' cd.Song is arrange with more variety.
KLau
But the hakka language that i know is different.I can't understand any of the lyric but it would not prevent me to enjoy the music
Ah Tao hakka song.If you don't own this you have miss alot of music.
I come to this cd when i ask Jo ki any alternative good hakka song beside Ah Tao.Thanks Jo,you should get the "getting dark" CD.
Planting trees album
The first cd is "chung su" means planting trees by Lin Sheng-Xiang and by 2 japanese guitarist, Takashi Hiroyasu and Ken Ohtake.(I'm surprise )
Lin sheng-xiang, Ken Ohtake and Takashi Hiroyasu
Although only using with a pair of guitars, i can felt like i'm easily been "absorb" in that environment.A very involving album.Superb recording.I can play both of this cd over and over again and the guitar...wow! i want to listen again tonight.This song arrangment is good.My only grin is the whole cd tempo almost the same.Why this album use less instrument?.
Getting dark album
The 2nd cd is "lim am" means getting dark also by Lin Sheng-Xiang.Use more instrument but the guitar is better play in the "chung su' cd.Song is arrange with more variety.
KLau
Monday, September 13, 2010
My Room Acoustics
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My involvements with room acoustics started with the need to address the already bad echoes and bass sound in my 8ft by 14ft smallish room with a sloping ceiling. The cross section of which depicts the shape of a true trapezium! There I was deciding to live with the disturbing sound from the system's playback, or do something about it! Doing something would seems to, going to take forever........a really daunting idea, and really frightening at that time!!! So it was decided, at some time 3 years ago, that I would do the surface treatments of the ceiling as there isn't enough floor space in the room to do anything really significant. Neither could I do anything much to the walls of the room because of the width of the room, though the first reflection points in the room as regards to the placement of the speakers have to be addressed properly, accurately or not, I thought that may be another issue.
Off I went to collect recyclable materials of cardboard, pieces of wood and even foams made from different materials, from electrical shops, and asked friends for these recyclable stuffs. When I have gathered enough of these materials, it was time to sit down to look at them and to get ideas and raked thru the brain for any useful data and information. Took about a couple of weeks of material collections and doing google search of information on room acoustics to finally come up with some idea of doing ceiling treatments. Then the need to have those designs hold up to the ceiling permanently, and came up with the idea of using very thin metal wires to hold them against the ceiling surface, and should be removable in the event of wrong placement or the wrong design and to even cover the worst of my thoughts, to have them removed and reused in the event that I have to shift house!!!
Side panels: Composite design
So after much experimentations, with design and choice of placements, finally came up with a design that was kept till this day. All in all it took just about 100 manhours to complete the task of doing the ceiling treatments. So far the room could now 'support' the use of multiple subwoofers reasonably well(meaning it's just about tolerable), I could do better if I had tried other ways, but there is no way to find out now for sure, I thought. So ended the 1 major project I have ever undertaken, and I considered it 1 big step for me along the way of my hifi journey.
Written by Uncle Vic
Labels:
Room acoustic
Monday, September 6, 2010
Music Exchange at the KL Performing Art Centre, Sentul West
There I was on sunday, 5th september 2010, at the Sentul West, at the Performing Art Centre(PAC) with other writers of the H1F1 blog. Earlier Erik Goh had called up the group to inform of a music performance by the KLPAC orchestra and the visiting Penang State Symphonic Band(or PESSBAND) at the PAC. It was a music exchange program cum charity drive. So we quickly got together at our meeting place in Rampai, Setapak for a drink with the 'Wise One'(a very close and good friend of the group), check our stuffs/ photographic gears, etc., got a drink and grab a bite, and off we go to meet Erik who was already waiting in his car near the Sentul West to go with us to the PAC.
The PAC is situated in a pristine, clean and peaceful place with lots of greenery and open spaces, just the right place for an auditorium for music and play performances! We don't feel the need to do things here in a hurry which includes parking our cars and the slow walk into the PAC, followed by a short climb up to the 1st floor entrance, where we were greeted by some young people presumably from the young peoples' music groups. Entrance was by donations only into a donation box for disbursement to charitable organisation(s). So there were no ticketing and it's free seating for all.
We were guided into the right side of the auditorium and we had a pretty good view of the performance area. I thought it was just about right as I need to take some really neat pictures of the performances without disturbing the audiences. I had brought along an Olympus DSLR camera that has a very low level of shutter noise and I have taken along a AF ED short range zoom lens and another longer range lens for that really close up shot to capture the scene with the available ambient lighting as it's simply not right to use a strobe light for photography during the music performance proper.
Most if not all the performers were very young people, I reckoned in their late teens and very early 20's! The performers(combined Penang musicians and those from the Klang Valley) included the string section of violin and cello group, other group further into the performance area included wind instruments group of flutes, the brass section of trombones, saxophones and the timpanis are on the left with the electric guitar and the hand drums and modern drum set and percussions on the right. Several conductors took turns at directing the group performances.
The music presentations and performances reminded me of the London Symphony Orchestra (LSO)performing classic rock music from the likes of Beatles, ABBA, Rolling Stones and Stephen Bishop and music from the movies as well as TV themes!!! If you could take out your CD of LSO performances you will surely know how I felt about the music being performed. It's very own style of presentations and not an exact duplication of the original music presentation as per the movie or tv theme! Very original style and presentations.
After the music performances, the crowd were simply exhilarating and there were shouts of encores!! Probably most of the people from the crowds were the parents, relatives and friends of the performers and many more regular visitors to the PAC.
Photography sessions soon followed and the atmosphere was filled with an air of joy and jubilation!
From left to right, Uncle Vic,Uncle Chew,Eric Goh,Kenneth Lau, Yee
Our group too took the opportunity to have some photographs of ourselves taken too.
By: Uncle Vic
Edited by:KLau
Friday, August 6, 2010
Which new 12ax7?Full Music,Electro Harmonix or EI
From left to right,Full music Gold pin 12ax7,Electro harmonix 5751 gold pin,Ei 12ax7
All new production 12ax7 tube.Ei had stop production and will be more difficult to get.Full Music 12ax7.
A completely new design rather than follow the construction on famous NOS tube.Previously Full Music is more famous for the triode type of tubes like 300b and 2a3. Now this Company from Tianjin,China release a 12ax7 tube.
The first thing I notice is lower noise floor. I suspect this tube might be a good candidate for phono. I like the tonality of his tube and the imaging is good.Sound is balance. I don’t have any complain much for a new production tube.I tends to like this tube more than others in this group.Kudos to Full music.
Electro Harmonix 5751 gold pin.
This is a premium version from electro-harmonix, Russia
5751 is a close family of 12ax7 with a lower gain.
The song presented with more “muscle” and imaging is bigger than my reference tube. High is a bit artificial.In tends to dislike this tube in my system.
Ei 12ax7
Said to have bought all the equipment and stock from telefunken.
This tube is said to follow the construction of Telefunken smooth plate.Ei tube is made in Yugoslavia
The Ei tube which I am testing here is originally selected by Jadis for the JPS2 pre amplifier. The plate is silver colour(There is another version where the plate is black).
Music is presented with a lot of “air”I feel it is a bit over from what I used to be.Extended listening i feel it is more of some echo at the high.
No wonder in another setup where a system using Jadis JPS2 + JA500 when playing the cd "Jazz at the pawn shop"give me the best atmosphere feel.("pub feel").
On the vocal the singer is presented much younger and the bass is not as low.
**Tube tested in my diy Marantz 7 and using telefunken smooth and rib plate as reference.I think the 5751 tube is not showing the full potential as the specification of 5751 and 12ax7 is different.My pre amp operating point is tune more favour of a 12ax7 tubes.
*Thanks Wong Chai for the tube.
KLau
Labels:
tube
Thursday, July 22, 2010
Manger铭阁喇叭Zerobox登陆大马!
假如你喜欢听MANGER这张CD,又对封面的星形单体照片感到好奇,可以告诉你,这就是本文主角(Manger)铭阁喇叭的全音域单体原貌。提起这个“星体般优雅”的单元,不得不谈谈它的背景。其实Manger是一间单元制造厂,由已故的Josef W. Manger博士发明这颗著名的MSW(Manger Sound Transducer)单元开始。他费了30多年的岁月研究“听觉和音响”方面所获得的经验而发明了BWT(Bending Wave Transducer)曲波传导器。这单元是根据人类耳朵的结构,以及神经等的生理学上要素,转换成扬声器的发音原理方面,而加以开发出来的。
其实Manger MSW全音域单元在90年代就已经被其他喇叭厂用过而闻名,比如德国的Audio Physic - Medea和瑞士的Acoustic Lab - Stella Elegans。而这里所介绍的铭阁喇叭,则是Zerobox系列的103,107及109三个款式。109是书架型,其他2款则是落地型。
这次在马来西亚的代理商Sound Precision负责人陈先生引入的铭阁(Manger),挟着它40年的声誉,让本地音响爱好者又多一种品牌聆听心爱的曲乐。而它也在明日的KLIAV影音展览上一展身手,让参观者试听它的魅力,也可同时一窥全豹。
参展房址是吉隆坡万豪(JW Marriot)酒店8楼8034号。据陈先生表示,他将展示Manger的107落地式喇叭,配搭美国Inex Innovation前级A200和放大器Amplicable Elite。这全新的尝试届时将会让大家耳目一新。
其实Manger MSW全音域单元在90年代就已经被其他喇叭厂用过而闻名,比如德国的Audio Physic - Medea和瑞士的Acoustic Lab - Stella Elegans。而这里所介绍的铭阁喇叭,则是Zerobox系列的103,107及109三个款式。109是书架型,其他2款则是落地型。
这次在马来西亚的代理商Sound Precision负责人陈先生引入的铭阁(Manger),挟着它40年的声誉,让本地音响爱好者又多一种品牌聆听心爱的曲乐。而它也在明日的KLIAV影音展览上一展身手,让参观者试听它的魅力,也可同时一窥全豹。
参展房址是吉隆坡万豪(JW Marriot)酒店8楼8034号。据陈先生表示,他将展示Manger的107落地式喇叭,配搭美国Inex Innovation前级A200和放大器Amplicable Elite。这全新的尝试届时将会让大家耳目一新。
Sunday, June 27, 2010
TAD speakers launch
The soft launch was on 26th june, saturday 2pm at AV design's showroom at Rohas Perkasa Building, Jalan P Ramlee, Kuala Lumpur. Those invited include their customers, hifi bloggers, some hifi sifus, the young and talented and as well as the wise & learned senior ones. I was there early, and met up with Jo Ki, the LS3/5a guru & moderator of the LS Malaysian Chapter and a friend Yee, I met about a year ago at a Yamaha Music and Audio equipments sales in PJ. As the quests kept coming in, the gathering picked up momentum, & the host suggested we start off with slight refreshments and drinks and what follow were exchange of the latest happenings and updates, as most of the guests more of less know each other or have met previously at some other hifi social events.
When the music listen proper began, James of AV design started off with a rock track, Stairway to Heaven from Led Zeppelin, and it was rock, rock and more rock music thereafter. Later James played some audiophile tracks and some of past favourites. And it was followed by more coffee and drinks, and food! It was the rock music that everyone have their eyes glued to where the setup was placed, the TAD Reference 1, the Bryston amplifications and source. Everyone's attention and interest have moved to where the speakers were, after the light refreshments. This is an event reporting not a audio review, so will leave the technical information to other hifi bloggers present at the meet to write in detail of the equipments in used.
Then there were the photographing session, besides the listening session. Most guests have a closer look of the speakers and the ancillaries used for the music demonstrations. Followed by photo sessions with guests posing beside the R1 speakers.
It was much later when most of the guest have left, the guests who were still around played some old favourites followed by some trance music with beats as fast as 133bpm!!! The speakers handled this very well, and I was still comfortable with the pace of the music!I left the place after this, still thinking how loud & well the speakers plus the setup could replay the various types of music!
Labels:
hifi events
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