LINN IKEMI INTEGRATED CD PLAYER

by Constantine Soo

September 17, 2002
Specifications:
Analog Outputs:
XLR (1 pair), RCA (2 pairs)
Output Level: 2 Vms single-ended, 4Vms balanced
Digital Outputs: SPDIF × 1 (with Sync Link), AES/EBU × 1, TOSLINK x 1
Conversion Technology: Delta-Sigma at 24-bit resolution with HDCD decoding
Oversampling: None
Mains Supply: Brilliant Slimline Power Supply
Power Consumption: 20 VA approx
Dimensions: 12.6" W × 12.8" D × 3.15" H
Weight: 9 lb
Price: $3,595

Address:

Linn Products Ltd.
Floors Road, Waterfoot
Glasgow G76 0EP, Scotland
Phone: +(44) (0) 141 307 7777
Fax: +(44) (0) 141 644 4262
Email: helpline@linn.co.uk
Website: www.linn.co.uk

Linn Incorporated
8787 Perimeter Park Blvd
Jacksonville, FL 32216
Phone: 904-645-5242
Fax: 904-645-7275
Email: helpline@linninc.com
As evident in my recent  47 Laboratory 4713 Flatfish CD Transport/Player and
4705 Progression DAC review,  it  would  seem that as our understanding and
implementation  of  the  art  of  CD  playback  advances,  more companies are
able   to   produce   excellent   CD   playback   systems    with   unprecedented
implementations  of  the  16-bit/44.1kHz   non-upsampling   technique.    Prime
examples    are    47 Lab's    standard    decoding    scheme,      Audio   Note's
1×oversampling
TM   and   in   this   review,   Linn's  HDCD®-based delta-sigma
conversion.

Linn  experienced  a  surge  in  creativity in the 1990's, when the company had
already  been  hailed  for  its  Sondek LP12 Transcription  turntable  for  over a
decade. This creativity-spawned development of a number of projects, among
which was the far-reaching adaptation  of the switching power supply for audio
use.  This technology is now in its third incarnation,  patented  as  the "Brilliant"
switch  mode  switching  power  supply.   Embodied ultimately in the advanced
Linn   Klimax    series   of   amplification,   Linn's   superlative   Sondek   CD12
Transcription  and  Ikemi CD Players  also  draw  power from the same power
management technology.  Drastically diminished in proportion to the common,
bulky  toroidal-based  power  supply system, Linn claims that its new "Brilliant"
Switch  Mode  Power  Supply  is  just  as  reliable  and robust, able to regulate
incoming   power   irregularities   in   the   animation-suspending   intervals    of
nanoseconds.    Place  the  Klimax  Solo  amplifier  next  to  an  amplifier  of  a
comparable  500-Watt/4-Ohm  of  rated  output  and  it  would  be like putting a
sleek briefcase next to a microwave oven. In fact, the Klimax is thinner than the
Sondek CD12.

Linn  is  also  working  on  a   SACD/Multi-format  player,  which  they  hope  to
premiere  at  the  January 2003  CES.  When it becomes available, I shall also
share my findings with our Stereo Times readers.


THE IKEMI

Ikemi is Linn's best CD player next to the  Sondek CD12.  Major technological
highlights  of  the  Ikemi  are  the  Linn  Brilliant  switch  mode  switching power
supply, the proprietary  "2D" DSP algorithm, 24-bit/96kHz compatible 8-times
oversampling Pacific MicrosonicsTM PMD200 HDCD® conversion and a
3.5-bit multi-level Delta-Sigma modulation.   I shall let Linn address the
technicality of  this  conversion  system  in  a  future  column  at  the  
company's discretion. Weighing  at  only 9 lbs, the Ikemi sports a one-piece,
smooth-skin processed metal chassis that wraps the top and sides of the
machine.   While the Ikemi is larger than the  Audio Note DAC One 1×
Signature  (being reviewed)  and  the 47 Lab Flatfish and Progression,  it  is  
deeper and narrower than the average CD player, and much smaller than my  
Sony SCD-777ES SACD Player, CEC TL1 CD transport  and  my  former  
reference  DAC,  the  Wadia 27 Decoding Computer.  This  unique  physique
distinguishes Linn's new series of products from  other  companies'  in  the   
touch  of  retro  styling  and  subdued  metallic appearance.

Predominantly  occupying  the  front  panel  from  the middle to the far right, the
aluminum  "precision-machined drawer"  had a substantial feel, and along with
the sturdiness of the operating mechanism,  looked expensive to manufacture,
differentiating  itself  instantaneously  from  trays found in other CD players. To
the  left  of  Ikemi's  front  panel, seven main buttons lined up with five tiny ones
inserted in between,  resembling the keys on a piano keyboard.  A  low  profile
but  versatile  display  resides  above  the buttons, and the power button sits at
bottom right.

Ikemi's two pairs of analog RCA outputs were very useful as  I  used  one RCA
pair  for  the  47  Laboratory  4706  Gaincard S  Integrated  Amplifier     (under
review)  and  a  second  pair  for  the  subwoofer  amplifier  of  the   Genesis VI
speakers.   Since  my  system   was optimized  for  RCA applications, I did not
assess  the  Ikemi  via  its  XLR  analog outputs. Ikemi's digital outputs were in
BNC and XLR standards.

The  included  Linn  system  remote  can  turn  off  the  digital output, as well as
customize  the  operations  of the Ikemi, such as auto play upon power on, last
play memory, etc.    I  conducted  the  review with standard factory settings and
the stock power cord.


SYSTEM & AUDITION

This review will discuss the performance of Linn Ikemi as a CD player only.  Its
significance as a CD transport will be addressed in the future when space and
time allows.  The  review  took place amidst speaker changes.   Excluding  my
Apogee Duetta Signature  for  its  drastic  inefficiency,  all  my  speakers were
rotated to play music with the Ikemi amplified by the dual-mono  47 Laboratory
4706 Gaincard S, with the  Audio Note M3 presiding when driving the
89dB/4-Ohm ELAC 518.   Then,  the $20,000 Audio Note AN/E SEC Silver  
arrived  in the  last  few  weeks  of the audition, and the listening impressions
of the Ikemi via  the  AN  were  among   the most  definitive.  Interconnects
were my trusted Granite  Audio  #470,   and  speaker  cable  was  my   
Cardas   Quadlink   5C, supplemented  by  the  Tara Labs Phase II TFA
Return  on the woofer when bi-wiring was necessary.

The  Ikemi  had  an   immediately   noticeable   wide   band  presentation,  with
consistent  frequency  extension  at  both  ends  of  the  spectrum,  lending rare
clarity to the experience.  The 18-minute  late-Romantic  orchestral showpiece,
"Don Juan," from Karajan Gold - Richard Strauss: Also Sprach
Zarathustra    op.   30
,    Don    Juan    op.   20        [Deutsche
Grammophon DG 439 016-2],  became  more substantial in the
bottom-end  when  the  drum  rolled in unison with the soaring of
the  orchestra.   Via  the  superlative  JET  tweeter and the dual,
long-throw   vented   woofers   of    the   ELAC  518,    the   Ikemi
showcased   exemplary   top   and   bottom-end   deciphering  capability,  in  a
presentation infused with tremendous amount of delicate tonalities from brass,
cymbals, strings and triangles alike, accomplishing superb presentation clarity.

The  Ikemi  was  also  highly  affluent in the effects of drama. From its
HDCD®-fortified  heart,  the  Ikemi  excelled  at  displaying  contrasting and
wholesome dynamics reminiscent of that from my former reference DAC, the
Wadia 27, at the same time possessing a rare tonal clarity distinctly similar to
that of the 47 Lab digital system.


With the  Star Wars Episode II: Attack Of The Clones  [Sony
SK 89932]   soundtrack,   composer     John   Williams       used
restlessly  engaging horns as the undercurrent force intertwining
with complex percussion to depict "Jango's Escape." The Ikemi
exerted   suitably    powerful    dynamics   depicting   the   horns,
culminating  in  a  sound  impressive in its massiveness and yet
compelling  in  its  swiftness.   Remembering  similar  characteristics  with   my
Wadia 27,  the  incorporation  of  a  potent  power  supply  in  both the
modest-looking Linn and imposing Wadia was undoubtedly indispensable.

In the midst of such drama,  despite its physical lightness,  the Ikemi's dynamic
and   tonal   magnificence   was   reminiscent   of   the   47  Lab  Flatfish     and
Progression system's reactivity to fluctuating dynamics.   Yet, in contrast to the
Ikemi's dynamic finesse from the complex DSP algorithm,  HDCD® and
delta-sigma   conversion,   the   Flatfish  and  Progression   had   a  
passiveness  so fundamental  that  all  signals  passing  through  it,  for  better  
or  worse,   were excluded  from  possible  further processing.   Consequently,
while  the Ikemi's piano  sound  articulation  would  represent  les objectivity, it
also had a lesser degree of the 47 Lab's relentlessness.

Take   Ikemi's   showcased   fidelity  in  a   particularly  reflective
rendition  of  the  pianist  Maurizio  Pollini's  mastery in dynamic
control with
Beethoven's 33 Variations on a Waltz by Anton
Diabelli
  [Deutsche Grammophon 289 459 645-2].    The Ikemi
recreated  piano sounded particularly massive and reverberant,
trickling out notes in  concurrent droplets of resolution.  Maestro
Pollini's  poetic yet powerful reading was complimented by high
quality recording and mastering,  embedded with soft radiance that supported
the mighty dynamics.   The  Ikemi  unleashed  the  pianist's  energy  and  vigor,
while    passing    along    definitive    instrumental    intricate   tonalities   with a
presentation slightly less energetic and reactive in dynamics than the 47 Lab.
Vangelis' 1989 best-hit compilation, Themes [Polydor 839 518-
2], contained some of the most instantly retentive tunes.    "Love
Theme from 'Blade Runner'",   "Memories of Green"   and    "La
Petite Fille De LaMer,"   for  example, are electronica classics.  
The    Ikemi    conveyed    a    surprisingly    complex    and    yet
communicative sound of the resonating synthesizer,  endowing the experience
with an unexpectedly contagious and inviting tonal quality, sounding beyond its
ultimate artificiality.  Retrospectively again, the 47 Lab digital system exposed
the  discrepancies  in  this  CD's varying recording qualities to a greater extent
than the Ikemi.

Having said all of the above, I have saved Ikemi's forte for last.  Amidst  all  the
digital front ends that graced my system,  the Ikemi  produced  a most dazzling
soundstaging    in    the    company    of    the   comparably   priced  ELAC 518
Loudspeaker,  driven  by  Audio Note's M3  preamplifier and  the  Gaincard S.
Depth  of  hall  and studio, and specificity of instruments was, simply put, most
expertly delineated.

Take the delineation of soprano  Kathleen Battle's voice amidst
the overwhelming scale of the  Vienna Philharmonic  from
New
Year's  Concert  from  Vienna
  [DG 419 616-2], for example.
Voice  and  instrument separation and imaging was effortlessly
clear with the Ikema, as Dame Battle's flamboyant and chiming
intonations  in   "Voices  of  Spring"   came  through  exquisitely
along  with  underlying  orchestral  layers.  In  capturing  an aural
experience  rich  in  soundstaging  subtleties and extended spectral definition,
the Ikemi was perfectly suited for such orchestral power play.    Dame Battle's,
as accompanied by  the Vienna Philharmonic  and  Maestro von Karajan, was
most satisfying rendered, and the Linn Ikemi produced it most beautifully.

Instruments separation and imaging  was  also effortlessly clear with the Ikema
in
James Galway Plays Khachaturian  [RCA RCD1-7010], as Mr. Galway's
flute  was  heard  with  exceptional  clarity against the full-blown orchestra.   My
favorite  was  the  "Masquerade: Waltz",  in  which  the Ikemi's portrayal of flute
and  orchestra  collaboration  carried an acute sense of localization and had a
beautiful sense of pitch precision.  Similarly,  in  "Gayaneh: Sabre Dance", the
Ikemi depicted  the  flute  aptly  as  an instrument fully capable of assuming the
daunting task of a  driving,  rhythmic  string  section,  successfully  charging the
dance to higher festive ground.


SUMMARY

The  Linn  Ikemi   possessed   the   dynamics   and   spectral   superiority  of  a
frequency-extending   C-core  transformer,   reflecting  clearly  the  advantages
accorded by its  Brilliant  switch mode switching power supply.  Endowed by a
slew   of   advanced   signal   processing   techniques,   such   as   the   Pacific
Microsonics™ PMD 200 HDCD® processor,  the Linn "2D" algorithm and the
multi-level   Delta-Sigma   modulation,  the  Ikemi delineated soundstages with
extraordinary  density,  and  created  a  sound  that  was  rich  in transients and
instrument textures sans a cynical precision.

It's  $3,595  MSRP  lands  well  within  the  white-hot,  fiercely  competitive mid-
class CD player  price range.   Compared  to  the  2¼  times  costlier   47 Lab
digital  front  end,  the  Ikemi  conceded  to  the   47 Lab's   most  passive  and
reactive   D/A   conversion   mannerism,   and   yet   impressed  with  a superb
integration of sound.  It pursued  the  47 Lab's  dynamics and resolution, albeit
with a calmer, more modest sense  of  scale.  Compared  to  my  discontinued
Sony SCD-777ES SACD/CD Player,  the Ikemi's CD playback surpassed the
Sony in soundstage dimensionality.

Sonic-wise,  Linn Ikemi  is a fine example of an advanced digital front end that
exceeds the expected,  standard criteria of a mid-priced audiophile grade CD
player,  and  the  47 Lab  a  far  more  costly  unit  that  induces  subtle  but real
differences employing streamlined techniques.  The  Linn Ikemi  is outstanding
in its modest physique  and satisfying presentation.  For the 47 Lab, speaking
from an owner's perspective, being the recipient of unrelenting honesty can be
frightening if it is not your cup of tea.

This  difference  was  exacerbated  when used with the Audio Note AN/E SEC
Silver, gradually subsiding with  Genesis VI,  and then largely reconciled by the
more  accommodating  ELAC 518  and  the  dynamically  superior Klipschorn.
Comparably  priced,  both  Linn  Ikemi  and  ELAC 518  are  hardcore, grossly
underpriced    audiophile    products    from    well-established   name   brands.
Culminating in an enormously competent high-end audio system,   the ELAC's
JET tweeters exploited  the  Linn's  resolute  top-end without constrictions, and
the  Linn's  extension  at  the  other  end  of  the  frequency  spectrum  gave the
ELAC's twin woofers definitive bottom-end output to boast.

In    real    terms,    the    47 Lab    mastermind,    Junji    Kimura's   exclusion of
sophisticated processing, such as the HDCD® DSP that  Pacific Microsonics
Inc.TM developed for sonic enhancement,  will discourage some readers.  Yet,
on the sole ground of musicality, while either product could appeal to the same
pursuing audience, Linn with its CD12-derived advanced engineering will cost
you  less  money  than  the  47 Lab  with  its  singular but indisputably crowning
impartiality.

There  was  a  time  when audiophiles had to invest thousands of dollars in CD
hardware   that   was   the  State  of  the  Art,  and  would  still be far from being
musically  satisfying  to  everyone's  admission  and frustration.  But just as the
2001   $8,100     47   Laboratory   Flatfish   and   Progression   digital   system
surpassed  my  past  reference,  the  1995  $14,000  CEC TL1  and Wadia 27
system,  so  did  today's  Linn Ikemi  in  attaining what other sub-$4,000 digital
system over five years old had never achieved.

Although  it  is  hard  to fathom the degree of superiority of the famous Sondek
Transcription CD12  lest  direct  comparison,  from what the Ikemi achieved at
its  asking  price,  I  can  confidently  say  this: for  readers  who  own  elite  CD
systems   of   the   previous   generations,   once   you  experience  the  Ikemi's
extended   frequency    response,     resolute    spectral    definition,     discrete
dimensionality and the resultant musicality,  you  will  not  hesitate to spend the
$3,595.

Of the CD systems I have reviewed so far, namely the Perpetual Technologies
P1A/P3A  processing  system,  the   Sony SCD-777ES SACD  player  in  CD
mode,  and  the  recent   47 Laboratory Flatfish and Progression CD front end,
the  underpriced  Linn  Ikemi  beseeches  my  top  recommendation  in its well-
rounded overall excellence and satisfying musicality.


Associated Equipment:  

Digital Front End

47 Laboratory 4713 Flatfish CD Transport/4705 Progression DAC
Audio Note DAC One 1.x Signature
CEC TL1 CD transport
Sony SCD-777ES SACD/CD player

Amplification

47 Laboratory 4706 Gaincard with two 4700 Power Humpties S
Audio Note M3 preamplifier
Decware SE84C (monoblock pair)
McCormack DNA-1 Deluxe
Music Reference RM9 II
Z-systems RDP-1 digital preamplifier

Loudspeakers

Apogee Duetta Signature
Audio Note AN/E SEC Silver
Celestion SL700
ELAC 518
Genesis VI
Klipschorn

Cabling

Audio Note AN-La
Audio Note AN-V silver cables
Aural Symphonics AS-One
Canare L-5CFB 75-ohm digital cable
Canare D206 110 ohm digital cable
Cardas Quadlink 5C
Granite Audio #470 silver cables
Granite Audio #560 AC Mains
Illuminations Orchid
Illuminations D-60 75 Ohm digital cable
Van den Hul MCD-352
Virtual Dynamics Nite Cable System
Wadia ST glass fiber

Accessories
Salamander Synergy 20 (2), ASC Tube Traps, Flat Traps
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