
04-09-2008, 01:53 PM
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Headphoneus Supremus: Reviewerus Prolificus
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Join Date: Apr 2005
Location: Chicagoland
Posts: 11,333
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Thanks very much to Todd for the chance to audition this amp. I have sent it on to Mr. Chou.
Below are my comments, also to be added to my portable amp review:
Unlike many of the amps I review, there was no lack of reviews on the PMH. Based on what I had read, I expected it to sound tubier than it did. But there are some sonic attributes that can probably be ascribed to the tubes. Less happily, the tubes are also likely the reason that the chassis rings very audibly through the headphones if tapped. This is really a bummer for a portable amp. It means that while it is portable, care will have to be taken while listening not to bump it, or unwanted ringing will overlay the music.
Build Quality: A: Very attractive and sturdy chassis. I guess I won’t subtract here for that annoying pinging…
Treble: A-: The treble is reasonably clean, transparent, and neutral. As I expected the amp lacks a little top end extension and air, but not nearly as much as I thought it might. I don’t think the treble is a real problem, generally, unless you try to use it with dark sounding headphones.
Midrange: A+: WOW. Simply gorgeous. Cliché or not, I have to assume this is due to the tube impact. But the mids were musical, lush, detailed, clean, open, and very enjoyable. The amp’s strong suite, no doubt.
Bass: A-: Full, punch, and fat. Perhaps a little loose. Could have a little better depth. But it was very enjoyable nonetheless.
Neutrality: A-: More neutral than I expected. Aside from lacking the very frequency extremes, it is essentially neutral . In fact, I was surprised to find it more neutral than the Decware Zenhead, which went through the review process at the same time.
Soundstaging: A: Great depth and width, and a very palpable image. Excellent performance here.
Transparency: A-: Occasionally just a bit thick sounding, but generally very transparent.
The TTVJ PMH provides very good, and in some respect truly excellent sound. It’s generally well built. But it’s at the very top end of the price curve of portable headphone amps, and for my $450, for portable use, I’d prefer the iQube, which performs better overall and doesn’t have that very annoying pinging/ringing. It might be better to leave the tubes at home.
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PLEASE NOTE: Due to the volume of PM's I have been receiving in connection with my reviews, I no longer have the time to answer PM's from people with zero posts. Please read head-fi first before asking questions.
Team GO-U-NORTHWESTERN
Pics: Main Home Rig; Bedside Rig; Office Rig; Portable Rig;
Headphones: JVC HP-DX1000, HA-RX900; Headphile Deep Cup Darth Beyers VXD3,VXD4; Beyerdynamic DT990/600 (Manufaktur) DT770/600 (Manufaktur), DT880/600 Balanced (Manufaktur); HiFi-Man HE-2 Planar Magnetic; Sennheiser PXC-350; Shure SRH840
Home amps: Ray Samuels Audio Stealth (Mullard ECC32/CV4003); Decware Zen CSP-2 (Amperex BB 6DJ8/Sophia Princess 274B); Darkvoice 337 (GEC 6AS7G's/Tung-Sol mesh plate 6SJ7GTs); Wheatfield Audio HA-2 (Mullard ECC32/GEC 6AS7G/GEC U52); Ming-Da MC84-C 07 (Mullard CV4004/EL84/EM87); Audiotailor Jade (GEC 6AS7G/Sylvania 5751); J. Sound Lab Headphone (Mullard 12AT7); Audio-GD Phoenix; Musical Paradise MP-301 (Ken-Rad 6V6GT/Mullard 6AU6)
Portable Amps: Ray Samuels Audio P-51 Mustang; Decware ZenHead; Meier Audio 2Move, XXS; Qables iQube
Sources: Denon DP59L table + Clearaudio Maestro Wood / VPI Scoutmaster + Benz Micro Wood L2 > Audio Electronics PH-1 DJH Phono Preamp; Music Hall 25.2 DAC; Denon DVD-5900;Red Wine Audio iMod iPod (Apple Lossless) & ALO VCap dock; Sony SCD-555ES SACD player
Loudspeaker system: Krell KAV250 Preamp>Sunfire Signature II Power amp > B&W Nautilus 800 Signatures + Velodyne FSR-1500/Martin Logan Descent
Tube testers: B&K Dyna-quick 650 & Dyna-Jet 606
Head-fi feedback
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04-09-2008, 05:54 PM
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Headphoneus Supremus
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Join Date: Aug 2007
Location: Rocky Mountains, CO
Posts: 11,663
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Leave the tubes at home? NEVER
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04-09-2008, 08:51 PM
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Junior Head-Fi'er
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Join Date: May 2004
Posts: 22
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Ping...
Mine Does Not Ping, Pong or otherwise. Stone cold silent.
Phil
Santa Fe
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04-09-2008, 08:57 PM
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Headphoneus Supremus: Reviewerus Prolificus
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Join Date: Apr 2005
Location: Chicagoland
Posts: 11,333
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Interesting. Perhaps the loaner unit has developed a problem? I know other people than me have had this issue.
__________________
PLEASE NOTE: Due to the volume of PM's I have been receiving in connection with my reviews, I no longer have the time to answer PM's from people with zero posts. Please read head-fi first before asking questions.
Team GO-U-NORTHWESTERN
Pics: Main Home Rig; Bedside Rig; Office Rig; Portable Rig;
Headphones: JVC HP-DX1000, HA-RX900; Headphile Deep Cup Darth Beyers VXD3,VXD4; Beyerdynamic DT990/600 (Manufaktur) DT770/600 (Manufaktur), DT880/600 Balanced (Manufaktur); HiFi-Man HE-2 Planar Magnetic; Sennheiser PXC-350; Shure SRH840
Home amps: Ray Samuels Audio Stealth (Mullard ECC32/CV4003); Decware Zen CSP-2 (Amperex BB 6DJ8/Sophia Princess 274B); Darkvoice 337 (GEC 6AS7G's/Tung-Sol mesh plate 6SJ7GTs); Wheatfield Audio HA-2 (Mullard ECC32/GEC 6AS7G/GEC U52); Ming-Da MC84-C 07 (Mullard CV4004/EL84/EM87); Audiotailor Jade (GEC 6AS7G/Sylvania 5751); J. Sound Lab Headphone (Mullard 12AT7); Audio-GD Phoenix; Musical Paradise MP-301 (Ken-Rad 6V6GT/Mullard 6AU6)
Portable Amps: Ray Samuels Audio P-51 Mustang; Decware ZenHead; Meier Audio 2Move, XXS; Qables iQube
Sources: Denon DP59L table + Clearaudio Maestro Wood / VPI Scoutmaster + Benz Micro Wood L2 > Audio Electronics PH-1 DJH Phono Preamp; Music Hall 25.2 DAC; Denon DVD-5900;Red Wine Audio iMod iPod (Apple Lossless) & ALO VCap dock; Sony SCD-555ES SACD player
Loudspeaker system: Krell KAV250 Preamp>Sunfire Signature II Power amp > B&W Nautilus 800 Signatures + Velodyne FSR-1500/Martin Logan Descent
Tube testers: B&K Dyna-quick 650 & Dyna-Jet 606
Head-fi feedback
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04-10-2008, 04:51 AM
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Headphoneus Supremus
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Join Date: Aug 2007
Location: Rocky Mountains, CO
Posts: 11,663
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With normal use, mine does not ping and pong, unless I purposefully rap the case with a flick of the fingernail or a knuckle. I can pick it up, and set it down, and move it around and I don't get any of that.
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04-16-2008, 09:55 PM
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100+ Head-Fi'er
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Join Date: Jun 2006
Location: Chicago
Posts: 370
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My Impressions
First off, thank you Todd for your generosity with this lending program.
I am very thankful for the chance to audition this amp in my home with my own music and equipment over over a week. I'd previously heard this amp briefly at the Chi-Unifi meet with my UM2s and another head-fiers IMOD.
This opportunity allowed me to take time for more careful listening and develop some more in-depth impressions across a range of music. This is my first formal review so please feel free to give me suggestions how to my improve future reviews.
These are my impressions using my Headamp Pico DAC feeding lossless files to the TTVJ amp. My main comparison is with the Pico dac/amp combo. Below are some pics and my impressions...
TTVJ Millet Hybrid
using PK3
When You Say Nothing at All – Alison Krauss
-Vocals more lush, warm, less airy
-Bass tuneful, a bit loose
-Midrange instruments and voices more lush and forward, organic sounding
-less twang (slower attack) on guitars but nice snap on the snare
Colors – Amos Lee
-Bass a bit boomy and loose
-Voice and guitar very round, smooth sounding
-No harshness across spectrum
-Really enjoy the vocal harmony where the ladies voices surround you
Morricone: Gabriel's Oboe – Yo-Yo Ma
-Less detailed, smoother sound so sounds of bow on strings is hidden
-Strings all blend together, less separation lending to sound like fewer instruments
-lowest notes hidden
-cello tone is not quite right, a bit nasal?
The Luckiest – Ben Folds
-Piano very organic and full-sounding, especially middle range notes
-vocals forward and very realistic (reverb adds air to voice)
-Strings overpower piano and vocals somewhat during the parts that build up in intensity
District Sleeps Alone Tonight – Postal Service
-Long sustain on voices brought forward and so more apparent
-Drum hits less tight, less deep
-Very engaging, musical sound overall
-Electronic drum hits less harsh
-Midrange focus so almost changes the dynamic of the song
Lenny – Stevie Ray Vaughan
Warm, tubey guitar goodness
soulful bass and guitars playing together
Drums have a nice punch and snap
It Never Entered My Mind – Miles Davis
Trumpet exhibits little to no harshness at all, very smooth sounding
bass and drums are a bit more forward, piano sounds very real, though extreme low and high notes sound a tad cut off
Black Dog Live - Led Zeppelin
Whoo! Rockin tubey guitar! Forward and crunchy with great, warm distortion tone
Robert Plant's vocals come alive
Drums splashy and rockin, could use a tad more punch though
Bass a bit drowned out by guitar, but that's most rock, right?
Side note: I also heard the pinging/ringing when I touched the amp (unplugged or plugged in my headphones).
Overall, I really enjoyed my time with this amp. It's midrange really is magical and gives such a lush, warm, yet detailed performance that engages the listener. Instruments gain an organic sound to them, less produced (not sure if that makes sense)? Not the best extension but you can sometimes get lost in the music and these details may not matter quite so much. I also tried my HD600 (cardas-cable) and I must admit the TTVJ PMH has plenty of oomph to it, enabling it to drive full-sized cans well (better than my pico). Some songs sounded better on the HD600 than my PK3 (ie Gabriel's Oboe) and also the other way around. Soundstage very good, not quite as deep as the pico but still very palpable. I must say acoustic and electric guitars really sing on this amp. Voices also stand out in the mix, which depending on the singer, can be a nice feature.
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My Feedback
Home Rig: FLAC -> Firewire -> Apogee Duet -> Senn HD600 w/ Cardas Headphone cable
Portable: Sony NWZ A808 -> KSC-75s or Yuin PK3 or SleekAudio SA6
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04-16-2008, 10:13 PM
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Headphoneus Supremus: Reviewerus Prolificus
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Join Date: Apr 2005
Location: Chicagoland
Posts: 11,333
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EXCELLENT Review! Very well done.
__________________
PLEASE NOTE: Due to the volume of PM's I have been receiving in connection with my reviews, I no longer have the time to answer PM's from people with zero posts. Please read head-fi first before asking questions.
Team GO-U-NORTHWESTERN
Pics: Main Home Rig; Bedside Rig; Office Rig; Portable Rig;
Headphones: JVC HP-DX1000, HA-RX900; Headphile Deep Cup Darth Beyers VXD3,VXD4; Beyerdynamic DT990/600 (Manufaktur) DT770/600 (Manufaktur), DT880/600 Balanced (Manufaktur); HiFi-Man HE-2 Planar Magnetic; Sennheiser PXC-350; Shure SRH840
Home amps: Ray Samuels Audio Stealth (Mullard ECC32/CV4003); Decware Zen CSP-2 (Amperex BB 6DJ8/Sophia Princess 274B); Darkvoice 337 (GEC 6AS7G's/Tung-Sol mesh plate 6SJ7GTs); Wheatfield Audio HA-2 (Mullard ECC32/GEC 6AS7G/GEC U52); Ming-Da MC84-C 07 (Mullard CV4004/EL84/EM87); Audiotailor Jade (GEC 6AS7G/Sylvania 5751); J. Sound Lab Headphone (Mullard 12AT7); Audio-GD Phoenix; Musical Paradise MP-301 (Ken-Rad 6V6GT/Mullard 6AU6)
Portable Amps: Ray Samuels Audio P-51 Mustang; Decware ZenHead; Meier Audio 2Move, XXS; Qables iQube
Sources: Denon DP59L table + Clearaudio Maestro Wood / VPI Scoutmaster + Benz Micro Wood L2 > Audio Electronics PH-1 DJH Phono Preamp; Music Hall 25.2 DAC; Denon DVD-5900;Red Wine Audio iMod iPod (Apple Lossless) & ALO VCap dock; Sony SCD-555ES SACD player
Loudspeaker system: Krell KAV250 Preamp>Sunfire Signature II Power amp > B&W Nautilus 800 Signatures + Velodyne FSR-1500/Martin Logan Descent
Tube testers: B&K Dyna-quick 650 & Dyna-Jet 606
Head-fi feedback
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04-17-2008, 02:42 AM
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Headphoneus Supremus
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Join Date: Aug 2007
Location: Rocky Mountains, CO
Posts: 11,663
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Quote:
Originally Posted by chouman
First off, thank you Todd for your generosity with this lending program.
I am very thankful for the chance to audition this amp in my home with my own music and equipment over over a week. I'd previously heard this amp briefly at the Chi-Unifi meet with my UM2s and another head-fiers IMOD.
This opportunity allowed me to take time for more careful listening and develop some more in-depth impressions across a range of music. This is my first formal review so please feel free to give me suggestions how to my improve future reviews.
These are my impressions using my Headamp Pico DAC feeding lossless files to the TTVJ amp. My main comparison is with the Pico dac/amp combo. Below are some pics and my impressions...
[snip]
Overall, I really enjoyed my time with this amp. It's midrange really is magical and gives such a lush, warm, yet detailed performance that engages the listener. Instruments gain an organic sound to them, less produced (not sure if that makes sense)? Not the best extension but you can sometimes get lost in the music and these details may not matter quite so much. I also tried my HD600 (cardas-cable) and I must admit the TTVJ PMH has plenty of oomph to it, enabling it to drive full-sized cans well (better than my pico). Some songs sounded better on the HD600 than my PK3 (ie Gabriel's Oboe) and also the other way around. Soundstage very good, not quite as deep as the pico but still very palpable. I must say acoustic and electric guitars really sing on this amp. Voices also stand out in the mix, which depending on the singer, can be a nice feature.
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Nice review. But, you left out whether it goes better with a Cabernet or Pinot Noir. Whatcha drinkin' there?
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04-17-2008, 04:40 AM
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100+ Head-Fi'er
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Join Date: Jun 2006
Location: Chicago
Posts: 370
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Quote:
Originally Posted by HeadphoneAddict
Nice review. But, you left out whether it goes better with a Cabernet or Pinot Noir. Whatcha drinkin' there? 
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Haha! Some cheap merlot. All my money's gone into gear and such and I've left too small a budget for the alcohol. Maybe all of my music will sound better with a nice glass of scotch.
__________________
My Feedback
Home Rig: FLAC -> Firewire -> Apogee Duet -> Senn HD600 w/ Cardas Headphone cable
Portable: Sony NWZ A808 -> KSC-75s or Yuin PK3 or SleekAudio SA6
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04-18-2008, 04:09 AM
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100+ Head-Fi'er
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Join Date: Jun 2006
Location: Chicago
Posts: 370
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Would Kenneth Linder please pm me with your address for shipment.
__________________
My Feedback
Home Rig: FLAC -> Firewire -> Apogee Duet -> Senn HD600 w/ Cardas Headphone cable
Portable: Sony NWZ A808 -> KSC-75s or Yuin PK3 or SleekAudio SA6
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04-18-2008, 05:05 AM
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Headphoneus Supremus
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Join Date: Aug 2007
Location: Rocky Mountains, CO
Posts: 11,663
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What happened to #4 guy over-seas?
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04-19-2008, 02:26 AM
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Head-Fi'er
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Join Date: Jan 2005
Posts: 94
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Quote:
Originally Posted by chouman
Would Kenneth Linder please pm me with your address for shipment.
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PM Sent -- looking forward to my time with the amp.
Ken
__________________
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Home: iMac -> Apple Lossless -> USB -> Meier Corda Opera -> Beyer DT-880 250 or AKG K701
Portable: iPod 5G -> Apple Lossless -> Meier 3Move -> Ety ER-4S or AKG K81DJ
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05-04-2008, 02:00 AM
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Head-Fi'er
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Join Date: Jan 2005
Posts: 94
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Whitney Dafoe, please PM me with your address information.
You are next.
I'll post my review in the next couple of days.
Thanks,
Ken
__________________
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Home: iMac -> Apple Lossless -> USB -> Meier Corda Opera -> Beyer DT-880 250 or AKG K701
Portable: iPod 5G -> Apple Lossless -> Meier 3Move -> Ety ER-4S or AKG K81DJ
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05-09-2008, 06:55 PM
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Headphoneus Supremus
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Join Date: Nov 2006
Location: Coral Springs, FL
Posts: 2,872
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Id love a chance to listen to this...todd knows me, i met him at canjam =)
Let me know if this is still going on.
__________________
Headphones: Sennheiser HD-650's + Enigma Audio Oracle cable, Shure SE530, RS1 (Classic B), Grado SR-125 & HF1 (loaners), Sennheiser MX500
Sources: -Squeezebox v3 (Thanks Ingwe) + Headroom Micro Dac - Ipod 120GB Classic - Samsung T9 4GB - Headstage Lyrix Total USB/Asus G1/Foobar-Flac
Amps: Headroom Desktop Millett Hybrid #1 (Home upgrade/12FK6 tubes) + Headroom Desktop power supply - Headstage Lyrix Total USB
Speakers: Cambridge Soundworks Model 12's (Squeezebox - HR Micro DAC-HR Millet Preamp-Model 12's)
My Feedback My Heatware Did you listen to my old rig at CANJAM '08?
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05-18-2008, 08:29 AM
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Headphoneus Supremus
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Join Date: Feb 2002
Posts: 1,781
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Anyone tried using it on a plane  ?
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Founder Team Civility-Fi
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