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Gclass Hotladiesguide Szh Yongshan County Longling Hot Ladies Guide 6550/KT88/EL34 single jended amplifier

Gclass Hotladiesguide Szh Yongshan County Longling Hot Ladies Guide










New Digital Amplifier TDA7491 ST Microelectronics







  Vintage Audio and High End Audio in Chile(JBL Fanatic)


  Audio Spectrum  Analyzer for PC(free ware)


Export Japanese Components like a Tango,Tamura Transformer,etc.




I am doing build up one of small push pull amplifier on Jan 2008 7W rms

Mr Durandal 2A3 Single Ended Amplifier from Germany





I think 2A3/45 SE Amplifier get best sound than 300B SE and KT88 SE
frequency reponse is from 10Hz to 35KHz -3dB by Noguchi PMF-7WS.
Max power is 4.5W rms under 2A3.



next I will be modificate above amplifier to WE 91B type
circuit diagram is next one and driver is EF86 UL connection type.




2A3 Single End Amplifier is better than 300B Single Ended Amplifier ???
driver using 5687 High current heater Miniture valve, double triode medium mew MU 16-18.
FE-12S is new 2008 model of ISO TANGO in Japan for SE Amplifier.max power is
12 W rms. recomend valve are 2A3, EL84, EL34 and 6L6GC etc.this is an universal transformer so
out put impedance are 2.5K, 3.5K, 5K and 7K ohm.frequency response is from 20Hz to
80Khz at 2.5K ohm and from 45Hz to 35Khz at 7Kohm, Max current is 60mA DC,1.6Kg each.



SRPP is very nice clear sound get for 2A3SE.but It's very difficult to get
enough gain when do you play classic.needed other low gain amplifier before SRPP
driver.I like sound of SRPP with ECC83.some one said 6N2P is good.
even 3 stages direct coupling driver with 6922/6DJ8 is good sound and enough to get
much gain when play Classic.Power is around 5W rms at 3% with Sovtek 2A3 and clear
sound.2A3 EH gold is a little bit expensive than 2A3 Sovtek and Sovtek 2A3 sound is much better
than 2A3EH gold.even 2A3C is good sound to get and very clear and powerful.


Driver ECC88 and 6N1P are more clear and not too much bass but sound more musical.
and I am thinking ,going build up next circuit is ...



Perque Drive for SRPP how to work?
I like 2A3 SE with SRPP drive. sound is very clear as you knew.
SRPP is good sound to get but low Gain and not enough to get sound when
listing all type Classic Music.however if use a u(mew)Drive SRPP to get
more gain than SRPP normal.1st time I used u(mew)Drive SRPP for 6550/KT88 SE.
u(mew) drive is a little bit more than gereral SRPP.some one said 29times.
SRPP general is 26 times.so u(mew)drive get a little bit more gain.this time I tryed
"Perque-drive" with triode and penthode combination valuve like a 6U8 and 6AN8.
result is very good and sound like SRPP and actually output sine wave is same
like SRPP output and much gain from Perque-Drive SRPP.
experiamented by Mr Tetsu Kimura and his nick
name is "Perque" (PERUKE). I don't know what meanning "Perque". so now I can drive
300B easy with SRPP.slightly need adjust value of cathode resistance of triode and penthode
for miner distortion or comfortable sound which do you favorit.
Perque-Drive is Next.





RCA 45 Single Ended Amplifier on Dic 2008


---- 2009 ------- Single ended amplifiers in my room -------


6EJ7 drived 2A3 SEon Oct 2009

Yaha Amplifier for Head phone Headphone Amplifiers

Introdusing from simple headphone amplifier to highend amplifiers
if would like to seehere



EL156(Chinese)/EH 6550/KT88 Single Ended Amplifer D.I.Y on 2009

I am doing to try to building up again an Amplifier EL156 Single Ended
but difficult get EL156 original.so I will use Chinese EL156.still
expensive in Japan.here to



ISO Tango XE20S 2A3/45 Single Ended Amplifier


Schematic and some ditail of2A3/45SE on Dic 2009




Rectifier Tubes charactor lists are next
 Valuve  Rectifire Charactor
Name Cin  type or Lin type Ef  ----- If  filaments Max Plate Voltages Ep Max Currents Ip C L
5U4-G
direct		 full wave
C input
L input		 5.0 V     3  A    450  V
   550  V		 225mA
225mA		 32uF
-		 -
10 H
80
direct		 full wave
C input
L input		 5.0 V     2.0 A    350  V
   500  V		 125mA
125mA		 10uF
-		 -
10 H
84/6Z4
indirect		 full wave 6.3 V   0.6 A    350  V max 50 mA

5V4-G
indirect		 full wave
C input
L input		 5.0  V    2.0  A    375  V
   500  V		 175 mA
175mA		 10 uF
-		 -
 4 H
5AR4/GZ34
indirect		 full wave
C input
L input		 5.0   V    1.9  A   450  V
  550  V		  200 mA
 225 mA  		 60 uF
-		 -
10 H
CV 378  
same
 as above
indirect





5Y3 GT
direct		 full wave
C input
L input		 5.0   V    2.0  A   350  V
  500  V		  125 mA
 125 mA		  10uF
 -		 -
10 H
 274-B
direct		 full wave 5.0   V    2.0  A   500  V  175  mA

 5X3
direct		 full wave
C  input
L  input		 5.0   V     2.0  A    350  V
   500  V		  125  mA
 125  mA		  10uF
-		 -
10 H

Name Cin  type or Lin type Ef  ----- If  filaments max Plate Voltages Ep max currents Ip C L
5R4 -GY
direct		 full wave
C input
L input		 5.0  V    2.0  A  750 V
 850 V		  250  mA
 250  mA		  4uF
-		 -
 5 H
5Y4 -G
direct		 full wave
C input
L input		  5.0 V    2.0  A  350  V
 500  V		   125  mA
  125  mA		  10uF
-		 -
10 H
6X4WA
indirect
Miniture		 full wave  6.3 V    0.6 A  325  V     70  mA max 40uF -
6CA4/EZ81
indirect
Minuture		 full wave  6.3 V     1.0  A   350  V   150  mA  max  50uF -
5T4 full wave  5.0  V    2.0   A   450  V max    225 mA   max  40uF

note:Golden Dragon 274B is very good tube but very difficult find good one
and original Golden Dragon 274B is face like 5U4G,black corted plate.physically just uGclass Hotladiesguide Szh Yongshan County Longling Hot Ladies Guide 6550/KT88/EL34 single jended amplifierj w Family Hot Ladies Guide yGclass Hotladiesguide Szh Yongshan County Longling Hot Ladies Guide 6550/KT88/EL34 single jended amplifierf r Sexual e Hot Ladies Guide Hot Ladies Guide Porno