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Analog Squared Paper Discussion and Appreciation Thread.

post #1 of 3477
Thread Starter 
Hi All

I want Sharing portable headphone amplifier TU -05b from Analog Squared Paper audio company In Japan AS follow

http://www.ab.auone-net.jp/~s-and-e/


Full tube portable 3S4
Headphone Amplifier TU-05b

In response to requests from owners of the TU-03s series is unique design TU-05, from the housing that was more compact and lighter, has achieved high portability and modular frame structure. Without muddy buck-boost switching power supply with improved efficiency, the use of lithium-ion battery, the purity of the TU series, it is a full tube headphone amplifier ultimate newly reconstructed. You can vacuum tube can be replaced easily like a lens of a SLR camera, and you can feel the difference in sound, Nde enjoy the tube than ever.
Symmetric design circle white illumination tradition, with no plug-in starter switch, were examined in black anodized, to ensure a high robustness.

Specifications Output 30mW +30 mW
Compatible headphones 8Ω ~ 200Ω
F 30 ~ 30,000 [Hz]
W 130 H44 D180 [mm]
Charger power only

Please see the pictures below

8e3561f887d8143bcab387bdc11782f9_zps283f69b8.jpg

8a397b3ecbbda8d1e1f5c696cce7b717_zpsbf8656ec.jpg

daee61f20f07316d878f8a2fcb3f5ca7_zpsdcedfcee.jpg

fa7d354937b9707ca4ba976a3da09c02_zpsd354c69b.jpg

9b0049fc52a1661b01bdc90c3aec17df_zps4b49c33f.jpg

9dae20407bb8e926d46384189385a222_zpsed1e5eff.jpg

f17d52495bcd1546b89f8b444ede2c31_zps8d1f0348.jpg

cb54c9e06ccf44840914d3c483f1263e_zps648e1f14.jpg

410a3b9d98ceb857967fe79827e2f338_zpscad0ba9a.jpg
Edited by rudi0504 - 10/19/12 at 8:52pm
post #2 of 3477

Very sweet.  Love the retro leather carrying case.

post #3 of 3477
REFERENCE SECTION FOR TUBE ROLLING FOR BOTH TU-05 AND TU-06 AMPS PLUS... GERMAN GUYS HEADPHONE AND POWER JACK MODIFICATION! UPDATE: FACTORY CODE REFERENCE MATERIAL!


BRIMAR AND MULLARD CODE INFO


Military valves have different markings to commercial valves. Most have a CV number (CV = common valve) It is best explained with an example. I recently sold some E88CC or 6922 with the following markings CV2492 KB/AD ZF. Decoded this means:

CV2492 is saying this is an E88CC or 6922 or any other equivalvent - ie a high class 6DJ8 or ECC88.

K is saying this valve has been made to specification K1001 or K1006 if it had been a J it would have meant it was made to a JAN or MIL spec.

B is saying the qualification approval was given by a UK authority, if it had been a U it would be US or a D for Australia or an X for DERAD Air approval.

AD is the factory identification code in this case Brimar rochester plant. There are several pages of codes and some of those you might look out for as well respected makers of valves are D Mullards Mitcham, DA Mullard Blackburn, DB Mullard Salford, DC Mullard Whytleafe, DE Mullard Fleetwood, DF Mullard Waddon, DH Phillips France, L MOV pre 1951, Q English electric, QB Marconi, QC marconi, R Ferranti, Z MO Hammersmith, ZA MOV Gateshead, ZB MOV Perivale, ZC MOV springvale, ZD MOV Dover.

ZF is the date code which was 1968 June. . The first letter representing the year starting at A for 1945 and second the month so AA would be 1945 January, AB is 1945 February and NF 1956 June and so on with I and O not being used.

There is another system of date marking used from about 1965 onwards and that consisted of four digits, the first two being the year and the last two being the week so 6407 would be February 1964. The date code was the date the code was put on the valve so if there may be an earlier manufacturers code on the valve as well.

If you have found this useful please vote YES below as this will enable more people to see it and encourage me to write more guides on valves. If there is something incorrect please email me and tell me so i can put it right.




PHILIPS CODE INFO

http://www.pauls-roehren.de/downloads/PhilipsCodeListAB.pdf


Ian's Tube Cleaning Method

http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/165#post_9305627


German Guys Tube Compatibility table

TU-05 TUBE COMPATIBILITY LIST:

TU-05 TUBE COMPATIBILITY LIST:

DF91 STAGE:

tubesame typeheater voltagemAcompatible (if)powersave moderemark
DF911T4, W17, 1K2, 1F31.4V 50mAyesnotested
1T4T, 1T4SF1.4V 25mAyesno
DF9041U41.4V 50mAyesnotested
DF961AJ4, 1F33, EP2021.4V 25mAyesnotested
DF971AN51.4V 25mApin 4 and 5 connectednotested
1F34 1.2V ?heater voltage resistornonot tested yet


DL92 STAGE:

tubesame typeheater voltagemAcompatible (if)powersave moderemark
DL923S4, VT-174, CV8201.4V 2x50mAyesyestested
3S4T1.4V 2x25mAyesyes
DL911S41.4V 100mApin one disconnectednotested
1L33 1.4V 50mApin one disconnectednotested






GERMAN GUY'S TUBE ROLLING EXPERIMENTS (TU-05)

standard tube rating form:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/795#post_9593228

tu-05 with lorenz - philips combo:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/870#post_9610188

valvo and lorenz tube combos:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/885#post_9610868
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/900#post_9612010

telefunken:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/900#post_9612467

siemens tubes and short summary:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/900#post_9612624

valvo red label:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/915#post_9613134

listening to different interconnects:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/930#post_9614421

tube rolling: ultron tubes:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/945#post_9614695


tube rolling: valvo red label - tung-sol ken rad combo:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1020

summary and valvo red label - lorenz combo:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1050#post_9624911
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1080#post_9629496

tube rolling: telefunken df904:
www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1140#post_9632746
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1185#post_9639203

tube rolling: lorenz df96 - philips dl92 combo first listening impressions:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1215#post_9643209

tube rolling: lorenz df96 - tung-sol ken rad dl92 combo:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1245#post_9650382

tube rolling: philips df96 - tung-sol ken rad dl92 combo:
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1425#post_9669643

GERMAN GUYS MODIFICATION


TU-05 TWIN OUTPUT MODIFICATION

Here is my documention on how to modify the tu-05 with a rear 6.3 mm headphone out.

some initial thoughts before you start doing the same modification:

you how to say should know what you can do with electronic parts and what better not:
- bending
- heat resistance when soldering near by
- ...

some basic knowledge is recommended:
- electronic parts and electronics
- how to use a multimeter
- how to desolder and solder
- ...

before starting one should think that something can goes wrong, no success, there is a damage, failure etc:
- ability to debug analog electronics may be needed

for the work and metal work - especially the large hole for the neutrik jack:
- all the tools in place?
- a fine resonant free drilling machine
- a small to tiny electronics soldering iron (not the 100 watt tin can soldering version)

things i used (a maybe not complete list):
- cables, shrink-on tube, tape, pressured air, solder, clips, tool for cable-demanteling, different claws, fine and medium rasps with different shapes, shaping tools, drills for metal, screwdrivers with the exact size, heat gun, digital multimeter, sandpaper, a small brush, vaccum cleaner, 2 litres of coffee, 5 hours, screw clamps to fix the drilling machine on the table, small woodplate, two plates and two wood pieces under the amp while drilling, 6.3mm neutrik jack, 2nd as reserve, superglue or screws for the neutrik jack, knife, toothpicker, pieces of cardboard, ...

if you have decided to do this modification:
- always use a brush, pressured air and a vacuum cleaner to after each step remove all (and be absolutely sure that there are NO) aluminium parts, particles and dust left.
- check everything, charging, channels left right correct, two headphones at the same time, charging while listening, ...

so much fun doing the same modification .....

Opening the amp..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Removing the battery..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Removing the power jack..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Preparing the amp for the next steps..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Installing the power jack in its new front position..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Preparing the hole for the Neutrik 6.3mm jack..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Partly assembling the amp for the next steps..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Reassembling the battery and power jack..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Assembling the additional cables for the rear headphone out and Neutrik 6.3mm jack..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Amp completely assembled, open..
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#

Amp completely assembled closed case and case closed!
http://www.head-fi.org/t/632518/analog-paper-2-discussion-and-appreciation-thread/1710#
Edited by ianmedium - 11/12/13 at 12:31pm
post #4 of 3477
Thread Starter 
Quote:
Originally Posted by ianmedium View Post

Subscribed to this! I wonder what the price is... Just imagine, a mini Kondo Audio Note style portable amp, oh lordy!

Looks beautiful , could Be expensive because the analog squared paper is DIY company
post #5 of 3477
i'm in love!
post #6 of 3477
Thread Starter 
Dear Anak Chan and Cura Wong or who else Head Fier friends In Japan.

Can You try This portable Tube amp TU - 5 B from analog squared paper on Tokyo Fuji Avic
Next week and please Share Your impresion here.

Until Now One of the best portable / trasportable Tube is Alo Pan Am With matching pair Tube from
Telefunken .

Thank you
Edited by rudi0504 - 10/19/12 at 10:43pm
post #7 of 3477
Just having a chat on facebook with them, apparently it is already out and a hybrid if I have it correctly next month. Have asked the price and await details and will update! scrolling down their website page I see it is the equivalent of $1070
Edited by ianmedium - 10/21/12 at 9:24pm
post #8 of 3477

looks interesting, do they ship to the US?

post #9 of 3477
He is looking into all the matters pertaining to exporting, very friendly fellow and I am very seriously considering this amp. He mentioned it can be tuned to your specific headphones and there are multiple up grade paths as it is a pretty much bespoke product.
The price is 85,000 Yen which is around the $1000 mark.

If you use Facebook you can find the company under their name there. I get a really good feeling from him from my communications.
post #10 of 3477
Man, I am seriously working hard at making this happen!
post #11 of 3477
Quote:
Originally Posted by ianmedium View Post

Man, I am seriously working hard at making this happen!

 

Oh you're getting one? Hehehe time to meet up with you when you do biggrin.gif

post #12 of 3477
Quote:
Originally Posted by planx View Post

Oh you're getting one? Hehehe time to meet up with you when you do biggrin.gif

Lets just say I am doing some finagling at this moment wink.gif
post #13 of 3477

Gotta relisten to those stainless steel beasts of yours again in order to organize my thoughts. :)

Quote:
Originally Posted by ianmedium View Post


Lets just say I am doing some finagling at this moment wink.gif

 

Hope you get these in so we can have an interesting listen 8)


Edited by Girls Generation - 10/28/12 at 9:01pm
post #14 of 3477
Quote:
Originally Posted by Girls Generation View Post

Gotta relisten to those stainless steel beasts of yours again in order to organize my thoughts. smily_headphones1.gif

Hope you get these in so we can have an interesting listen 8)

Any Time mate, any time. I am very motivated about this amp, something in my gut says it will be a great match for the PF's!
post #15 of 3477
Quote:
Originally Posted by ianmedium View Post


Any Time mate, any time. I am very motivated about this amp, something in my gut says it will be a great match for the PF's!

 

Party at Ian's! tongue.gif

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