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| Portable Headphone Amps Discussion of portable headphone amps. |
07-03-2009, 04:21 AM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,551
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The "RSA" Shadow, a powerful pixy of an amp . . . New images. .
Well I am listening to the Shadow right now. This is a new board with the charging circuit (I was corrected by Ray that this was not the board at Can Jam). I had already pictured in my head that it would be little so I wasn't surprised when it arrived, I mean everything is getting smaller and smaller and . . .
I also received my JH13 Pro IEM's on Tuesday, which is pretty good timing to ascertain what the sound of the Shadow is like since I would speculate, many would use it with IEM's. Having said this I gotta add, it works well with my Ultrasone Ed. 9 and ESW 10JPN as well. This little tiny amp that charges from a USB, has an indicator light that goes out when it is fully charged, has a great little digital volume control I can tell already will be a whole lot of fun for music lovers and those who like to go light.
The sound reminds me of the P-51. Plenty of drive, great separation of voices and instruments and bass impact.
I find the Shadow and Mustang to be very close in sound. There may be a slight bit more air with the Mustang but further listening is needed. They both provide a nice wide soundstage with deep bass that is not one note but discernible as to placement and slight change in tone and character.
As I noted, there is no hiss with the Shadow and channel balance seems perfect from the minimum setting to the max I can listen to. I also get sound from far right and left that is out of head and not wrapped to right and left behind me but in front and in correct placement, which makes listening all that much more enjoyable.
Oh, and no hiss and no channel imbalance, none, spot on right and left at all volume levels. The amp has a set gain of 3.
The cost is $395.00 with an introductory price of $350 for the first 200 reservations of the amp.
The final version of the Shadow will have the name placed up higher (not so close to the bottom) so it will be more balanced looking.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
Last edited by jamato8; 10-21-2009 at 02:07 AM.
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07-03-2009, 04:26 AM
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Headphoneus Supremus
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Join Date: Jul 2008
Location: A Bottom Dweller
Posts: 6,756
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The Shadow of a Mustang? 
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07-03-2009, 05:29 AM
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1000+ Head-Fi'er
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Join Date: Jan 2008
Location: Montreal
Posts: 1,316
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Great. 
I will probably purchase the Shadow or the Pico Slim for my JH13 PRO.
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07-03-2009, 05:33 AM
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1000+ Head-Fi'er
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Join Date: Mar 2007
Location: SoCal
Posts: 1,243
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I didn't know it was up for sale. Not at RSA yet anyway. Pictures? Cost?
__________________
Life without music would be a mistake......
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07-03-2009, 05:34 AM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,551
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Quote:
Originally Posted by gilency
I didn't know it was up for sale. Not at RSA yet anyway. Pictures? Cost?
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This is the board from Can Jam. It isn't for sale yet but I thought it would be nice to know how it sounds with IEM's and to compare to the other portable RSA amps.
Edit: Correction this is not the board from Can Jam. This is the board that has the charging circuit and battery attached, which the Can Jam board didn't have.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
Last edited by jamato8; 07-04-2009 at 02:49 AM.
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07-03-2009, 06:45 AM
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Headphoneus Supremus
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Join Date: Jun 2008
Location: Long Island, N.Y
Posts: 2,266
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Who is in to compare the pico slim against the shadow? Jam can you comment on it vs the 71a?
Brad
__________________
Cheers!
Brad
ultraportable: iphone 32 gig 3gs > jh-13
portable rig: Imod 5.5 80gb>piccolino / singularity carbon lod>alo vcap dock> (piccolino mini-mini on the way) / singularity mini-mini>p-51>JH-13 with crystal piccolino all wrapped in a hippocase
On the way: RSA Shadow
My Feedback: hockeyb213
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07-03-2009, 07:12 AM
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Headphoneus Supremus
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Join Date: Apr 2005
Location: Redneck in a Blue State
Posts: 4,655
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Can you offer any additional impressions on what the main sonic differences between the Shadow and Mustang?
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07-03-2009, 01:17 PM
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Headphoneus Supremus
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Join Date: Dec 2008
Location: Kitchener, Ontario
Posts: 1,583
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And can you make any comparison between the shadow and T3 yet? 
__________________
My Feedback
---JH|13 Pro--- | ESW10JPN | Essence STX | Audioengine A5
\m./ d-_-b \.m/
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07-03-2009, 05:33 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,551
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I find the Shadow and Mustang to be very close in sound. There may be a slight bit more air with the Mustang but further listening is needed. They both provide a nice wide soundstage with deep bass that is not one note but discernible as to placement and slight change in tone and character.
The T3 holds up very well with a very slightly wider character to voice and instrument.
As I noted, there is no hiss with the Shadow and channel balance seems perfect. I also get sound from far right and left that is out of head and not wrapped to right and left behind me but in front and in correct placement, which makes listening all that much more enjoyable.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
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07-03-2009, 05:51 PM
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100+ Head-Fi'er
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Join Date: Jun 2009
Posts: 292
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Anyone listen to both the shadow and the slim?
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07-03-2009, 05:59 PM
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Moderator:
Headphoneus Supremus:
The first to organize an International Head-Fi Meet (2006)
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Join Date: Mar 2002
Location: "I can't hear you...I have my headphones on" Long Island, NY
Posts: 8,674
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Thanks for the heads-up John!
I know that they are different animals, but how to you rate the shadow, to the amp section of the D10?
__________________
**********************************
-My house was built for lovin'...not a theater of war.
-Realize it's harder to find your own voice, then to follow one, already in the air.
~~~><///'>~~~><///'>~~~><///'> ~~~
Music is my recreational drug...I need a dose, everyday!
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07-03-2009, 06:13 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,551
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Quote:
Originally Posted by immtbiker
Thanks for the heads-up John!
I know that they are different animals, but how to you rate the shadow, to the amp section of the D10?
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I hadn't compared the two, tooo many amps. :^)
I plugged in my JH 13's to the D10, and noticed some hiss and then moved the gain switch to low, and almost no hiss at all, which is good. So how do they compare. The Shadow has a little more forward mids, which throws the voice out more and there is a little more focus on voice and possibly more focus in general, while the D10 throws a soundscape that sounds large.
Edit: the soundstage of the D10 is tightening up. I have had it off for some time and with some warm-up the focus is much better than it was. Remember my D10 has the Black Gate nonpolar caps.
I have to say that all these amps are getting to be top tier.
It must also be remembered that the D10 (yes I know you know this) has the option of many different opamps. I believe I have the stock setup in the D10 at this time.
Cymbals sound good on both with the right brassy sound rather than just sizzle. I hear a bit more hall sound on the Shadow.
The JH 13' are great and can really dissect the sound but at the same time are totally musical.
EDIT:
On further listening with the Shadow and the JH13's, what bass slam! Deep and with character. Well integrated and spine tingling. No collapsing of the sound field with this combo.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
Last edited by jamato8; 07-04-2009 at 02:52 AM.
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07-04-2009, 06:42 AM
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Junior Head-Fi'er
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Join Date: Oct 2008
Location: Singapore
Posts: 9
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Camping for a shootout for the Shadow, P51 and SR71A 
__________________
Beresford TC7520 -> Little Dot MKIII -> DT 990/250 | HD 600 Cardas Recabled | HD800 | Grado HF2
Beresford TC7520 -> Marantz PM4001 -> Infinity Primus 162
Ipod 5.5g 80gb -> RSA SR71A Blackbird -> Livewires T1(Null Audio Lune recabled) | Sennheiser IE8 | Westone UM3X
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07-04-2009, 07:29 AM
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Headphoneus Supremus
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Join Date: Jun 2008
Location: Long Island, N.Y
Posts: 2,266
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Indeed! Same here I need to know if my 71a should hit the fs forum but I think I will get the shadow before I sell the 71a to compare.
Brad
__________________
Cheers!
Brad
ultraportable: iphone 32 gig 3gs > jh-13
portable rig: Imod 5.5 80gb>piccolino / singularity carbon lod>alo vcap dock> (piccolino mini-mini on the way) / singularity mini-mini>p-51>JH-13 with crystal piccolino all wrapped in a hippocase
On the way: RSA Shadow
My Feedback: hockeyb213
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07-04-2009, 12:32 PM
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Head-Fi'er
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Join Date: Mar 2009
Location: Melbourne
Posts: 50
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oh
nice found this post!!
ummm
Jamato, would you think with my P51 in hand, is it still worthwhile to get a hold of a shadow?
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