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Preamplifier Measurements

The SoundStage! Network's Preamplifier-Measurement History with BHK Labs

Following the introduction of our highly successful loudspeaker-testing program with Canada's National Research Council (NRC) and subsequent amplifier-testing program in 2002, the SoundStage! Network began its preamplifier-testing program in late 2004.

To conduct these test we commissioned BHK Labs, the same laboratory who does the Network's amplifier tests, headed by Bascom King, well-known design engineer, consultant, and technical writer for such magazines as the former Audio.

Each preamplifier is tested using the Audio Precision System Two, and each preamplifier goes through the same type of testing program to ensure consistency, quality, and comparability in the test results.

Preamplifier models measured
(arranged alphabetically by brand name)

Accuphase C-2850 (SSLab)
Angela-Gilbert Yeung C312 (SSLab)
Audio Research Reference 3 (BHK)
Aurum Acoustics Integris CDP (BHK)
Bryston BP 6 C-Series (BHK)
Bryston BR-20 (SSLab)
Conrad-Johnson ACT2 (BHK)
Convergent Audio Technology SL1 Ultimate Mk II (BHK)
Einstein The Tube (BHK)
EMM Labs DV2i (SS Lab)
Eversolo Audio DMP-A8 (SSLab)
Hegel Music Systems P30A (SSLab)
Karan Acoustics Masterpiece Collection LINEb (SSLab)
Meitner Audio PRE (SSLab)
NAD Masters M66 (SSLab)
NuForce P-9 (BHK)
Rogue Audio Metis (BHK)
Simaudio Moon 791 (SSLab)
Simaudio Moon 891 (SSLab)
Sonic Frontiers SFL-2 (SSLab)
Song Audio SA-1 (BHK)
SPL Director Mk2 (SSLab)
WiiM Ultra (SSLab)

Loudspeaker Measurements

With the cooperation of Canada's National Research Council (NRC), in the year 2000 the SoundStage! Network began measuring and publishing objective measurements of loudspeaker products -- a first for online publications.

The NRC's legacy of producing accurate loudspeaker measurements goes back decades. Literally thousands of speakers have been measured in their facilities since the '70s, and they are one of the few facilities in the world with the resources and expertise to conduct such tests.

The NRC facilities have, of course, been continually upgraded and today it's a state-of-the-art laboratory that includes an anechoic chamber, reference-grade test equipment, experienced staff, and a standardized process that is used consistently for all products. The end result are measurements that we feel are a benchmark for the industry, and useful for anyone wishing to obtain accurate, objective data about loudspeaker products.

Speaker models measured
(arranged alphabetically by brand name)

AAD Silver Reference 7
ACI Sapphire XL

American Acoustic Development 2001
Amphion Argon2
Amphion Argon3
Amphion Argon3L
Amphion Argon 7L
Amphion Ion+
Aperion Verus Grand Bookshelf
Aperion Audio Intimus 632-LR 
Arendal Sound 1723 Tower S 
Arendal Sound 1528 Tower 8
Ascend Acoustics CBM-170
Ascend Acoustics Sierra-1
Ascendo System Z-f3
Atelier First Horn
Athena Technologies AS-B1
Athena Technologies S2/P2
Athena Technologies WS-100
Atlantic Technology AT-2 
Atlantic Technology AT-3
Atohm GT1-HD
Audio Physic Virgo 25
AudioSolutions Figaro B
AudioSolutions Figaro M
AudioSolutions Rhapsody 80
Aurelia XO Cerica 
Aurelia XO Cerica XL
Aurum Integris Active 300B
AV123 Strata Mini
Axiom Audio M100 v4
Axiom Audio Millennia M22Ti SE

Axiom Audio Millennia M2i
Axiom Audio Millennia M3Ti
Axiom Audio Millennia M40Ti
Axiom Audio Millennia M80Ti SE
Axiom Audio M5HP
Axiom Audio M80 v2

B&W CM1
B&W DM303
Blue Circle Audio BM2
Bowers & Wilkins 603
Bowers & Wilkins 606

Bowers & Wilkins 684 S2
Bowers & Wilkins 685 S2
Bowers & Wilkins 704 S2
Bowers & Wilkins 705 S2 
Bowers & Wilkins 705 S3 
Bowers & Wilkins 705 Signature 
Bowers & Wilkins 805 D4
Bryston Mini A

Bryston Mini T

Bryston Model T
Cambridge Audio Aero 2
Canton Chrono SLS 780 DC

Carnegie Acoustics Contemporary CST-1
Cerwin-Vega CLS-215
Cliffhanger Audio Bulldog
Coincident Speaker Technology Total Eclipse
Compact WZ-5 SE Collector’s Edition
Crystal Cable Arabesque Minissimo
Dahlquist Audio QX6
 
DALI Epikore 9  
DALI Opticon 8 
Dayton Audio Classic B65 
Definitive Technology BP-8080ST SuperTower
Definitive Technology Mythos ST-L SuperTower
Definitive Technology Mythos STS SuperTower

Definitive Technology StudioMonitor 55
Devialet Gold Phantom 
Dutch & Dutch 8c
Dynaudio Audience 40

Dynaudio Audience 80
Dynaudio Confdence C1
Dynaudio Confidence C4
Dynaudio Emit M10
Dynaudio Excite X12

Dynaudio Focus 110
Dynaudio Special Forty
Elac Uni-Fi Slim FS U5

Energy Connoisseur C-3
Energy Connoisseur C-9
Energy Reference Connoisseur RC-10
Energy Reference Connoisseur RC-70
Energy Veritas V2.4i 
Estelon Aura
Ethera Vitae
Exodus Audio Kepler
Fluance XL7F
Focal Aria 906 
Focal Aria K2 906
Focal Aria K2 936
Focal Chora 806
Focal Chorus 807 W Prestige

Focal Chorus 836 W Prestige
Focal Electra 1008 Be 2
Focal Kanta No1 
Focal Sopra No1
Focal Sopra No2
 
Focal Spectral 40th 
Focal Theva No2 
Focal Vestia No3
Focus Audio Prestige FP50

Focus Audio Prestige FP90 BE
Focus Audio Signature FS-688

Focus Audio Signature FS68SE
Focus Audio Signature FS-788
Focus Audio Signature FS-888
Focus Audio Signature FS8
Gemme Audio VFlex Katana
Gingko Audio ClaraVu 7 MkII 
GoldenEar T66
GoldenEar Technology Aon 3
GoldenEar Technology Bookshelf Reference X
GoldenEar Technology Triton One
GoldenEar Technology Triton One.R
GoldenEar Technology Triton Three+

GoldenEar Technology Triton Five
GoldenEar Technology Triton Reference
GoldenEar Technology Triton Seven
Grand Cru Audio Essentiel
Guru Pro Audio QM10
Harbeth Model 30 Domestic 
Heavenly Soundworks FIVE17
Infinity Primus P162
JansZen Model One
JBL L890
JMlab Chorus 706
JMlab Mini Utopia
Joseph Audio Pulsar
KEF Blade Two
KEF LS50
 
KEF LS50 Meta
KEF R100 
KEF R11
KEF R500

KEF Reference 1
KEF Reference 3
KEF Reference 201/2
 
KLH Albany II
KLH Audio Kendall 
KLH Model Five
Klipsch Reference R-820F
Krell LAT-2

Lafleuraudio X1
Living Sounds Audio Statement 100
Magico A1 
Magico S1 Mk.II

Magico S5

Magico V2
Mark & Daniel Audio Labs Maximus Monitor
Markaudio-Sota Cesti T
Markaudio-Sota Viotti One
MartinLogan Motion 35XT

MartinLogan Motion 40
MartinLogan Motion 60XTi
MasterSource Audio 20M 
MayFly Audio Systems MF-201A
MB Quart Vera VS 1F
Mirage MRM-1
Mirage OMNI 60
Mirage Omnisat v2 FS 
Mission 770
Mobile Fidelity Sound Lab OML-2
Monitor Audio Bronze 100
Monitor Audio Bronze 6
Monitor Audio Gold 100 
Monitor Audio Gold 300 6G
Monitor Audio Gold GX50

Monitor Audio Gold GX100

Monitor Audio GR10
Monitor Audio Platinum PL100
Monitor Audio Silver 200 
Monitor Audio Silver 300 7G
Monitor Audio Silver 500 7G 
Monitor Audio Silver 6
Morel Octwin 5.2
Muraudio Domain Omni PX1
Muraudio SP1
Music Culture Elegance RL21

NHT Classic Three
NHT C 3 Carbon Fiber
NHT Xd
nOrh SM 6.9
Oskar Heil Aulos
Paradigm Atom
Paradigm Atom Monitor v.7 
Paradigm Founder Series 100F
Paradigm Monitor 5
Paradigm Monitor SE 3000F 
Paradigm Monitor SE 8000F
Paradigm Monitor SE Atom
Paradigm Persona B
Paradigm Premier 100B
Paradigm Prestige 15B

Paradigm Reference 30th Anniversary Inspiration

Paradigm Reference Prestige 95F
Paradigm Reference Signature S1 v.2

Paradigm Reference Signature S2
Paradigm Reference Signature S8
Paradigm Reference Studio 10 v.5
Paradigm Reference Studio 100 v.3
Paradigm Reference Studio 20 v.3
Paradigm Reference Studio 60 v.5
Paradigm Special Edition SE 1 
Perlisten Audio R5t
PMC GB1
PMC twenty.24
Polk Audio LSi9
Polk Audio LSiM703
Polk Audio RTi A1 Loudspeakers
Polymer Audio Research MKS
PSB Alpha B1
PSB Alpha P5
PSB CS1000

PSB Image 2B
PSB Image T45 
PSB Imagine B50
PSB Imagine Mini
PSB Imagine T2
PSB Imagine T3 
PSB Imagine T65 
PSB Imagine X2T
PSB Platinum T6
PSB Platinum M2 
PSB Synchrony B600
PSB Synchrony Two B
PSB Synchrony One
Purifi Audio SPK5
Q Acoustics 3020i
Q Acoustics 3050i

Q Acoustics Concept 300 
Radiant Acoustics Clarity 6.2  
Reference 3A MM de Capo

Reference 3A MM de Capo BE
Revel Concerta M12

Revel Concerta F12
Revel Performa M20
Revel Performa3 F206
Revel Performa3 M106
Revel PerformaBe M126Be
Revel Ultima Salon2

Revel Ultima Studio
Role Audio Windjammer
Ruark Acoustics CL10
Selah Audio Verita
Silverline Audio Bolero
Silverline Audio Panatella Mk II
Silverline Audio Sonatina III 
Simaudio Moon Voice 22
Soliloquy 6.5
Song Audio Type II Silk DM
Sonus Faber Chameleon T 
Sonus Faber Lumina III
Sonus Faber Olympica III 
Sonus Faber Sonetto V G2 
Stenheim Alumine Two
Studio Electric M4
StudioLAB Reference One

SVS Prime Pinnacle
SVS Prime Tower 
SVS Ultra Evolution Pinnacle 
T+A Elektroakustik Criterion S 230  
Talon Audio Khorus
Tannoy Definition DC10A
Thiel Audio CS1.6
Thiel Audio CS2.4
Thiel Audio SCS4
Thiel Audio SCS4T 
Totem Acoustic Bison Twin Tower
Totem Acoustic Signature One
Totem Acoustic Sky Tower
Totem Acoustic Tribe Tower
Triangle 40th Anniversary Comète
Triangle Borea BR03
Triangle Esprit 30th Anniversary Edition Antal

Usher Audio Technology Be-718
Usher Audio Technology V-602
Verity Audio Fidelio
Verity Audio Parsifal Ovation
Vienna Acoustics Mozart Grand SE 
Vimberg Amea
Vivid Audio Oval B1
Vivid Audio Oval B1 Decade
Vivid Audio Giya G2

Volent Paragon VL-2 Signature Edition
Von Schweikert Audio VR-1
Von Schweikert Audio UniField 1
Walkallen Taos
Waveform Mach MC
Wharedale Diamond 220
Wilson Audio Specialties Duette

Wilson Audio Specialties Sophia
Wilson Audio Specialities Sophia 2
Wilson Audio Specialties WATT/Puppy 6
Wilson Audio Specialties WATT/Puppy 7
Wilson Audio Specialties WATT/Puppy 8
YG Acoustics Anat Reference Main Module 
YG Acoustics Peaks Ascent
Zu Cable Druid

Amplifier Measurements

The SoundStage! Network's Amplifier-Measurement History with BHK Labs and Our SoundStage! Audio-Electronics Lab

Following the introduction of our highly successful loudspeaker-testing program with Canada's National Research Council (NRC), in 2001 the SoundStage! Network began its amplifier-testing program. Originally, tests were done by BHK Labs, headed by Bascom King, well-known design engineer, consultant, and technical writer for such magazines as the former Audio. BHK Labs tested amplifiers using the Audio Precision System Two. Beginning in December 2020, we brought the amplifier testing in-house to the SoundStage! electronics lab and began using an APx555 B Series analyzer.

Power and integrated amplifier models measured
(arranged alphabetically by brand name)

  • Accustic Arts Amp II-AC High Performance 
  • Advance Paris X-i75 (i)
  • Anthem PVA 2
  • Anthem Statement M1
  • Anthem Statement P2 
  • Arcam Radia A25 (i)
  • Arcam SA30 (i)
  • Ars-Sonum Armonía 
  • Atoll Electronique IN200 Signature (i)
  • AudioControl The Director M4800 (mc)
  • Audio Electronic Supply Six Pac
  • Audio Research 150.2
  • Audio Research Foundation VT80
  • Audio Research VS115
  • Audio Research VS-55
  • Audio Research Reference 110
  • Audiopax Stereo Eight Eight
  • Atma-Sphere MA-1 Mk II
  • Ayre Acoustics VX-5
  • Ayre Acoustics VX-R
  • Balanced Audio Technology REX 300
  • Bel Canto Design e.One REF1000 
  • Bel Canto Design e.One REF600M
  • Belles 350A Reference
  • Belles Statement SA-30
  • Benchmark Media Systems AHB2
  • Blue Circle Audio BC202
  • Blue Circle Audio BC28
  • Blue Circle Audio DAR (i)
  • Bluesound Powernode Edge (i)
  • Bryston 2B SST
  • Bryston 4B SST
  • Bryston 4B3 
  • Bryston B100 SST (i)
  • Bryston B1353 (Cubed) (i) 
  • Bryston Bi-200 (i)
  • Cambridge Audio Evo 150 (i)
  • Calyx Audio Femti 
  • Chord Electronics Ultima Integrated (i)
  • Classé Audio Delta CA-2200
  • Coda Technologies 12.0
  • Conrad-Johnson Premier 140
  • Conrad-Johnson Premier 350
  • Constellation Audio Revelation Taurus Mono
  • Convergent Audio Technology JL2 Signature Mk 2
  • CR Developments Romulus 
  • Cyrus Audio i9-XR (i)
  • Cyrus Audio Stereo 200
  • darTZeel NHB-108 Model One
  • Dayton Audio A400 (i)
  • Dayton Audio HTA200 (i)
  • deHavilland Aries 845
  • deHavilland Aries GM70 
  • Denon PMA-1700NE (i)
  • Devialet D-Premier (i)
  • Devialet Expert 130 Pro (i) 
  • Electrocompaniet AW 300 M (m)
  • Einstein Absolute Tune (i)
  • Emotiva BasX TA1 (r)
  • Exogal Ion
  • Esoteric A-100 (i)
  • Eximus S1 
  • Fezz Audio Lybra 300B (i)
  • Flying Mole CA-S10 (i)
  • Flying Mole DAD-M100proHT
  • Grommes 360
  • Gryphon Audio Designs Diablo 120 (i)
  • Hegel Music Systems H190v (i)
  • Hegel Music Systems H20
  • Hegel Music Systems H30 
  • Hegel Music Systems H30A
  • Hegel Music Systems H360 (i)
  • Hegel Music Systems H400 (i)
  • Hegel Music Systems H590 (i) 
  • Hegel Music Systems H600 (i)
  • Hegel Music Systems H80 (i)
  • Hegel Music Systems H95 (i)
  • Hyperion Sound Design HT-88
  • JAS Audio Bravo 2.3 (i)
  • JE Audio VS70 (i)
  • JE Audio VS70.1 (i)
  • Jones Audio PA-M300 Series 2
  • Kinki Studio EX-M1+ (i)
  • Krell FPB-300c
  • Lamm Industries ML1.1
  • Lamm Industries M1.2 Reference
  • Liberty Audio B2B-100
  • Linn Klimax Twin
  • Luxman B-1000F
  • Luxman L-509U (i)
  • Luxman L-507Z (i)
  • Luxman M-900u 
  • Lyngdorf Audio MXA-8400 (mc)
  • Lyngdorf Audio TDA-1120 (i)
  • Manley Laboratories Snapper
  • Manley Laboratories Mahi 
  • Marantz Model 40n (i)
  • Marantz Model 50 (i)
  • miniDSP SHD Power (i)
  • Monarchy Audio SE-160
  • Mola Mola Kaluga 
  • Music Hall a15.3 (i)
  • Musical Fidelity M6si (i)
  • Musical Fidelity Nu-Vista 800.2 (i)
  • NAD C 298
  • NAD C 372 (i)
  • NAD D 3045 (i)
  • NAD C 3050 LE (i)
  • NAD C 399 (i)
  • NAD C 700 (i)
  • NAD Masters M10 V2 (i)
  • NAD Masters M23
  • NAD Masters M28 (mc)
  • NAD Masters M32 DirectDigital (i)
  • Naim Audio NAP 350 (m)
  • Naim Audio Uniti Nova PE (i)
  • Cyrus Audio Stereo 200
  • Nightingale ATS-90
  • NuPrime Evolution Two
  • Opera Consonance Reference 9.9A
  • Opera Audio M800
  • Opera Audio Consonance Cyber-10 Signature
  • Oracle Audio SI 1000 (i)
  • Orchard Audio Starkrimson Mono Premium
  • Orpheus Laboratories Three S
  • Odyssey Audio Khartago 
  • Parasound Halo A 23 
  • Parasound Halo A 23+
  • Parasound Halo A 31
  • Parasound Halo JC 5
  • Pathos Acoustics Lògos MKII (i)
  • Peachtree Audio Carina 300 (i)
  • Peachtree Audio Carina GaN (i)
  • Pro-Ject Audio Systems MaiA DS3 (i)
  • PS Audio HCA-2
  • PS Audio Stellar M700
  • Raysonic SP-100 (i)
  • Redgum Audio RGM175
  • Rogue Audio Atlas
  • Rogue Audio Medusa
  • Rogue Audio Tempest II (i)
  • Roksan Attessa Streaming (i)
  • Roksan Caspian 4G Streaming (i)
  • Rotel A11 Tribute (i)
  • Rotel A12MKII (i)
  • Rotel Diamond Series RA-6000 (i)
  • Rotel Michi X5 (i)
  • Rotel Michi X5 Series 2 (i)
  • Rotel RA-1572MKII (i)
  • Rotel RAS-5000 (i)
  • Simaudio Moon 400M 
  • Simaudio Moon 860A v2
  • Simaudio Moon Evolution 870A
  • Simaudio Moon Neo 330A
  • Simaudio Moon W-6
  • Song Audio SA-300 MB 
  • SPL Performer m1000 
  • Starke Sound Fiera4
  • Stello M200 
  • SVS Prime Wireless Pro Soundbase (i)
  • T+A Elektroakustik R 2500 R (r)
  • Tangent Ampster BT II (i)
  • Technics Grand Class SU-G700M2 (i)
  • Technics Grand Class SU-GX70 (r)
  • Technics Reference Class SU-R1000 (i)
  • Tenor Audio 75 Wi
  • Thor Audio TPA-30
  • Threshold Audio S/5000e 
  • Vincent SP-T100
  • Wadia a315
  • Wyetech Labs Topaz 572B
  • Yamaha A-S3200 (i)
  • Yamaha R-N2000A (sr)

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