Head-Fi.org › ruthieandjohn's profile


Stumbling towards enlightenment
(Formerly known as kayandjohn.)


Ann Arbor, MI

Forum Post Count:


Join Date:


About Me:

After >50 yrs of piano, learning jazz; math interest in inferring statistics from a small sample.

Interests (Hobbies, favorite activities, etc.):

* Piano performance
* Writing
* Signal processing

What I do for a living:

* Creative director, signal processing research (ret)

Headphone Inventory

Over Ear Open
* Grado PS1000e
* Grado PS1000
* Grado GS1000i
* Grado GS1000e
* HiFiMAN HE1000
* Sennheiser HD 800
* Sennheiser HD 598
Over Ear Closed
* Ultrasone Edition 8 Ruthenium
* V-MODA M-100
On Ear Closed
* Sony MDR-V400
* Sony MDR G051
* Sony MDR-026
* Sony MDR-V6
On Ear Open
* Grado HP1000 HP1
* Grado RS1 (w/ buttons)
* Grado RS1i
* Grado RS1e
* Grado RS2
* Grado RS2i
* Grado RS2e
* Grado PS500
* Grado GH-1
* Grado HF-1
* Grado HF-2
* Grado SR60i
* Grado SR80
* Grado SR80e
* Grado SR125
* Grado SR125e
* Grado SR225i
* Grado SR325e
* Grado SR325i
* Grado SR325is
* Grado SR325
* Grado iGrado
* Sony MDR-006
* Koss KTS-1
* Sony MDR-201LP
On Ear Semi Closed
* Grado Bushmills X
On Ear Noise Canceling
* Sony MDR-NC6
Wireless Noise Cancelling
* Parrot Zik
* Parrot Zik 2.0
* AKG K845BT
Ear Buds
* Apple OEM Ear Buds (4 pr)
* Apple Ear Pods (2 pr)
In Ear
* AKG K3003i
* Grado GR10e
* Apple In-Ear with Remote and Mic
In Ear Noise Cancelling
* Sony MDR-NC033L2
* Sony MDR-NC021
In Ear Wireless
* Jaybird Bluebuds X

DANG! That's 56 pairs, not counting multiple copies of the Apple earbuds and Ear Pods!

Headphone Amp Inventory

Chord Hugo
Grado HPA1
Grado RA1
Sennheiser HDVD 800
CEntrance HiFI M8
CEntrance HiFi Skyn
Sony PHA-1 DAC/amp for iPhone
FiiO E6
Beyerdynamic A 200 p
Schiit Lyr 2

Source Inventory

LoToo PAW Gold
FiiO X3
iPod Touch 6G
iPod Touch 4G
iPhone 5S
iPad Air
iPad Mini
iPad 1 (original)
iPod Classic 7th Gen
iPod Shuffle
Sony Discman D-25
Technics SU-V98
Sansa Clip Zip
Schiit Bifrost Multibit Uber USB 2

Cable Inventory

Norne Draug 2 balanced red-and-black, 5 foot for Sennheiser HD800
zabzaf custom red-and-black balanced cable for Sennheiser HD 800
Moon Audio Black Dragon coax to USB for Chord Hugo
Moon Audio USB to USB with Apple CCK for Lightening to USB input to Chord Hugo
Schiit Pyst

Other Audio Equipment

Sansa Clip
Technics SL-PC11 5-CD changer
Technics ST-S98A Quartz Stereo AM/FM tuner
Technics SU-V98 Integrated Stereo Amp
RS-T157 Stereo Dual Cassette Deck
Technics SL-8027 Automatic Turntable System

Audio-Related Tweaks

Custom Grado-logo blue chambray long-sleeved shirt
Custom Grado-logo apron with pockets for source, amp, and excess cable
Grado GOLD headphone pin, presented by Grado

Music Preferences

Hip Hop

Interests (non-headphone)

FIAT automobiles

Gear-Fi (Favorite Non-Audio Gear & Gadgets)

Sony VAIO computers (any)
Apple products (any)
Pianos (electric and acoustic)
FIAT automobiles

ruthieandjohn's Recent Activity

(Uncheck the summary view to see ALL the gory details!) (Check the summary view to simplify the activity feed.)
Introducing Lotoo PAW Gold
ruthieandjohn posted in this thread in Portable Source Gear Yesterday at 11:03 am | 3199 replies | 218057 views
Grado GH-1 Discussion
ruthieandjohn posted in this thread in Headphones (full-size) 2/24/17 at 7:52pm | 1010 replies | 57412 views
ruthieandjohn posted in this thread in Members' Lounge (General Discussion) 2/24/17 at 5:57pm | 23520 replies | 2757261 views
Final Audio Design Impressions and Discussion Thread
ruthieandjohn posted in this thread in Portable Headphones, Earphones and In-Ear... 2/24/17 at 4:15pm | 6931 replies | 446533 views
Grado GS2000e Loaner program
ruthieandjohn posted in this thread in Sponsor Announcements and Deals 2/24/17 at 2:25pm | 205 replies | 10640 views
AKG K3003 High End 3 Way System Headphone
ruthieandjohn posted in this thread in Portable Headphones, Earphones and In-Ear... 2/22/17 at 4:34pm | 3800 replies | 315041 views
FiiO X5 2nd gen Impressions and Discussion thread
ruthieandjohn posted in this thread in Portable Source Gear 2/22/17 at 4:31pm | 6401 replies | 554126 views
The (new) HD800 Impressions Thread
ruthieandjohn posted in this thread in High-end Audio Forum 2/22/17 at 4:12pm | 25533 replies | 1344454 views
GRADO STATEMENT GS2000e - Review and First Impressions
ruthieandjohn posted in this thread in Headphones (full-size) 2/22/17 at 12:37pm | 168 replies | 28677 views
Grado Fan Club!
ruthieandjohn posted in this thread in Headphones (full-size) 2/20/17 at 8:40pm | 34725 replies | 1404197 views


ruthieandjohn’s Photos

31 photos
Latest upload: Aug 16, 2015

ruthieandjohn’s Embedded Photos

111 albumsView All Photos

ruthieandjohn's Lists

0 Lists
No lists.

Head-Fi.org › ruthieandjohn's profile