BEZ Home

Pre-amplifier

Power
amplifier
2A3/ 300B/
6C33C

Power
amplifier
211/ 805/
845/ GM70

Power
amplifier

807/ EL34/ KT88/
EL156/ FU19/
FU25/ FU50/

Power
amplifier

6P1/ 6P3P/
6P6P/ 6P9P
Output
Transformer

Power Tran/
Choke coil

Vaccum Tubes Valve
Radio

Policy Center


All BEZ made transformers are brand new. We adopt Japanese made high quality H10/0.35EI non-oriented silicon steel sheet and enameled oxygen-free copper wire windings, special used for Hi-Fi components. Separate layers of pure wood pulp insulating paper and multiple segments design, plus our advanced technique on insulation and moisture proof, BEZ made transformers have high quality of performance on amp sounds. Stainless steel transformer cases also provide an outstanding appearance. So far, our products have been sold to America, Australia, UK, Japan and other countries. No matter what the occasion, we take sounds to heart!

PS:

Types of transformers should be told to us when you ordering.

Types include horizontal (outlet hole on left or right), vertical (outlet hole at the buttom), and embading (no outlet hole).

Please make sure you give the information to us. Power transformers can be special order.

Iron core (steel sheets) width: 32mm (lamination thickness 1 cm, 0.45 kg), $10* USD per kg.

Iron core (steel sheets) width: 38mm (lamination thickness 1 cm, 0.64 kg), $12* USD per kg.

*Postage is not included.

BEZ made
Power Transformers

Pic
Available for tubes
Primary/230V(115V+115V)/50HZ/60HZ
(screening layer between primary and secondary)
Steel Sheets width× lamination (mm)

Weight
(Kg)

Size (mm)

Pirce$/Each

55WB
/
preamp/small amp/headphone
230V-0-230V,0.1A/6.3V,3A/ 0-5V-6.3V,2A
22X45
1.7
67X77X80
25
55WB1
/
preamp/small amp/headphone
250V-0-250V,0.1A/6.3V,3A/ 0-5V-6.3V,2A
22X45
1.7
67X77X80
25
55WB2
/
preamp/small amp/headphone
0-125V,0.1A,0-125V,0.1A/6.3V,3A/ 0-5V-6.3V,2A
22X45
1.7
67X77X80
25

Jiangsu Wujin 45W

preamp/small power amp

220-0-220V,0.06A/6.3V/0.75A,6.3V/1.85A

22X32
1.24
67X60X82
13

DB-50W-300

preamp / small power amp

Shanghai made in 80's brand new

Primary 220V

250-0-250V,0.07A/5.5V,0.9A,/ 3.15V-0V-3.15V,2A

22X45
1.65
67X77X80
27

80W (Danyang 792)

preamp / small power amp

丹阳县电子元件二厂库存新品

Estimate 80W/Primary 220V

Estimate: 220-0-220V,0.2A/6.8V,3A,/ 6.3V,2A

26X48
2.55
95X78X81
21
80WA
preamp/small amp/headphone

0-140V-160V-180V,0.3A/
0-6.3V,4A /0-5V-6.3V,3A **

32X45
2.6
98X80X86
32
80WB
preamp/small amp/headphone

300V-250V-0-250V-300V,0.18A/
0-6.3V,3A/0-6.3V,3A /0-5V-6.3V,3A

32X45
2.6
98X80X86
32
80WB1
preamp/small amp/headphone

330V-0-330V,0.12A/
0-6.3V,3A/0-6.3V,3A /0-5V-6.3V,3A

32X45
2.6
98X80X86
32
80WB2
/
preamp/small amp/headphone

0.15A,135V-50V-0 / 0-50V-135V,0.15A,/
6.3V,3A/6.3V,3A/0-5V-6.3V,3A

32X45
2.6
98X80X86
32
120WA
/

preamp/small amp/headphone

0-260V-270V-290V,0.3A/6.3V,2A/6.3V,2A/6.3V,3A
32X50
3.0
98X89X86
36
120WB
/
preamp/small amp/headphone
330V-280V-0-280V-330V,0.2A/
6.3V,3A/6.3V,3A/0-5V-6.3V,3A
32X50
3.0
98X89X86

36

120WB1
/
300B
400V-0-400V,0.12A/
0-5V-6.3V,3A/0-5V-6.3V,3A/5V,3A
32X50
3.0
98X89X86

36

150WA
/
6P3P/6P6P/6P13P/
6P14/EL34/6N5P

0-260V-270V-290V,0.35A/6.3V,3A/6.3V,3A/0-5V-6.3V,3A

32X55
3.2
98X100X86
42
150WA5
 
6P3P/6P6P/
/EL34/KT88/300B
0-20V-350V-420V/0.25A/
5.3V-6.3V,3A/6.3V,3A/5V,3A
32X55
3.2
98X100X86
42
180WA2
/
2A3/300B

0-20V-280V-320V-360V,0.3A/
2.5V-0-2.5V,3A/2.5V-0-2.5V,3A/5V,3A/6.3V,3A

32X60
3.5
98X107X86
50
180WA3
/

6P3P/6P6P/6P13P/
6P14/EL34/6N5P

0-135V,0.3A/0-50V-135V,0.3A/0-200V-270V,0.1A/
6.3V,4A/6.3V,4A/5V,3A

32X60
3.5

80X98X100

50
180WA4
 
6P1/6P3P/6P6P/6P12P/
6P14/6P13P/EL34/KT88

0-270V-290V,0.4A/6.3V,3A/6.3V,3A/0-5V-6.3V,3A/40V,0.1A

32X60
3.5
98X107X86

50

180WA5

/

300B
6P3P/EL34/KT88

0-20V-300V-360V-400V,0.3A/0-5V-6.3V,3A/0-5V-6.3V,3A/6.3V,3A/5V,3A

32X60
3.5
98X107X86

50

180WA6
 
2A3/300B
0-400V,0.3A/ 0-2.5V-5V,3A/0-2.5V-5V,3A/6.3V,3A/5V,4A
32X60
3.5
98X107X86

50

180WA7
/

2A3/300B

0-420V-450V,0.3A/0-2.5V-5V,3A/5V,3A,/6.3V,3A (立式)

32X60
3.5
98X107X86

50

180WB3
6P3P/2A3/EL34/KT88

330V-250V-0-250V-330V,0.25A/0-2.5V-6.3V,3A/0-2.5V-6.3V,3A/6.3V,3A,/5V,3A

32X60
3.5
98X107X86
50
180WB5
/
2A3/300B/KT88

400V-330V-0-330V-400V,0.18A/0-2.5V-6.3V,3A/0-2.5V-6.3V,3A/5V,3A,/6.3V,3A

32X60
3.5
98X107X86
50
180WB6
/
6P3P/EL34/KT88

300V-280V-0-280V-300V,0.25A/0-2.5V-6.3V,3A/0-2.5V-6.3V,3A/6.3V,3A,/5V,3A

32X60
3.5
98X107X86
50
210WA1
811/813

320V,0.15A/0-170V,0.1A/5V,3A,/6.3V,3A/0V-7V-10V,5A

32X70
4
98X118X86

Special
38
two left

250WA1

6P3P/EL34/KT88/FU19/FU50

Example circuit[1]

Example circuit[2]

0-20V-300V-350V,0.4A/

0-5V-6.3V,4A/6.3V,3A/6.3V,3A/6.3V,3A

38X60
4.9
116X116X100
57

250WA5 horizontal

6N5P/6C33C

wire,intermediate voltage

6.3V,7.5A/6.3V,7.5A/6.3V,7.5A/6.3V,7.5A/

6.3A,3A/6.3A,3A/260V,0.1A

38X60
4.9
116X116X100
57

300WA9

Pic1

Pic2

805/813/845/wire/intermediate voltage/

Class A / Intergrate

Example circuit[1]

Example circuit[2]

Primary/ 115V+115V

0-300V-340V,0.3A/5V,6A/6.3V,4A/10V,5A/10V,5A

38X65
5.4
116X121X100
63

2B4 C High voltage transformer/420W

 

805/845/813/high voltage

Coordinate with 300WA9 model

Class A / Intergrate

Example circuit[1]

Example circuit[2]

 

※Remove from military used 2B4 C model high voltage transformer, ultra high quality

Primary/ 110V+110V

Primary/ 420V+420V 0.5A.

40X18
4.0
105X80X150
72
350WA1
 
2A3/300B(wire DC supply)

0-400V-420V,0.4A/
0-3.6V-5.3V,3A/0-3.6V-5.3V,3A/6.3V,4A/5V,6A

38X70
5.8
116X126X100

69

350WA2
 
2A3/300B(wire AC supply)

0-400V-420V,0.4A/
2.5V-0-2.5V,3A/2.5V-0-2.5V,3A/0-2.5V-5V,3A/6.3V,4A/5V,6A

38X70
5.8
116X126X100

69

350WA3

/

EL34/KT88/FU7/6P3P

Primary115V
0-340V-360V,0.3A/6.3V,3A/6.3V,4A/6.3V,4A

38X70
5.8
116X126X100

Special
57
two left

350WB(4A)

/

300B

Primary/220V
0-420V-450V-480V,0.3A/
5V,3A/6.3V,3A/6.3V,5A,/6.3V,5A

38X70
5.8
116X126X100

Special
57
one left

350WA5
/

6N5P/6C33C OTL mono/high voltage


0-90V-100V,3.3A/50V,0.1A/50V,0.1A

38X70
5.8
116X126X100
Special
57
350WA6
/

6N5P/6C33C/wire,intermediate voltage OTL mono amp

6.3A,3A/6.3A,3A/260V,0.1A/
12.6V,6.6A/12.6V,6.6A/12.6V,6.6A/12.6V,6.6A

38X70
5.8
116X126X100
Special
57
350WA7
/
2A3/300B
0-20V-320V-350V-380V,0.5A
2.5V-0-2.5V,3A/2.5V-0-2.5V,3A/6.3V,4A/5V,6A
/80V,0.1A
38X70
5.8
116X126X100

69

350WB4
/
2A3/300B/EL34/KT88

480V-420V-0-420V-480V,0.3A/
6.3V,3A/5V,3A/0-2.5V-6.3V,3A,/0-2.5V-6.3V,3A

38X70
5.8
116X126X100

69

350WB6
/
2A3/300B/EL34/KT88
420V-330V-0-330V-420V,0.35A/
0-2.5V-5V-6.3V,3A/0-2.5V-5V-6.3V,3A/6.3V,3A/5V,6A

38X70
5.8
116X126X100

69

350WB
/
EL34/KT88/FU7/6P3P
Primary/110V+110V
250V-220V-0-220V-250V/0.3A,
6.3V,3A,/6.3V,3A/3.15V-0V-3.15V,3A/ 5V,4A
38X70
5.8
116X126X100

Special
57
one left

460W
/
6C33C/6N5P
Primary /220V
primary 0V-110V-120V-130V,1.5A/ 0-50V,0.2A
6.3V,3.5A/6.3V,3.5A/6.3V,3.5A/6.3V,3.5A/6.3V,3.5A

38X75
6.2
116X131X100

74

460WA7

 

6N5P/6C33C
high voltage,intermediate voltage, 负压

Example circuit[1]

 

Primary/100V/115V/230V
0-90V-100V,3.6A/0-260V-300V,0.15A
50V,0.1A/50V,0.1A/0-5V-6.3V,3A
38X75
6.2
116X131X100
Special
63

460WA8

6N5P/6C33C wire,

Example circuit [1]

Primary/100V/115V/230V
0V-5V-6.3V,3A/6.3V,7A/6.3V,7A/6.3V,7A/
6.3V,7A/6.3V,7A/6.3V,7A

38X75
6.2
116X131X100
Special
63
460WA9
/
mono amp /805/845/813
820V,0.2A/330V,0.1A/10V,5A/6.3V,3A/6.3V,3A/5V,3A
38X75
6.2
116X131X100
74
460WA10
mono amp /GM70

820V,0.2A/330V,0.1A/120V,0.1A/
20V,4A/6.3V,3A/5V,3A

38X75
6.2
116X131X100
Sold

460WA11

EL34/KT88/FU7/6P3P/FU50

Example circuit [1]

Example circuit [2]

0-20V-340V-380V-400V/0.5A,/70V,0.1A/ 6.3V,3A /6.3V,5A/6.3V,5A/5V,6A

38X75
6.2
116X131X100
74
460WB
/
EL34/KT88/FU7/6P3P/FU50

Primary/0-210V-220V-230V
0-20V-390V-420V,0.6A/3.15V-0-3.15V,3A
/3.15V-0-3.15V,5A /3.15V-0-3.15V,5A /70V,0.1A

38X75
6.2
116X131X100

74
one left

460WB9
EL34/KT88/FU7/6P3P/FU50

0-20V-390V-420V-450V/0.6A/0-20V-250V-270V,0.1A/ 6.3V,3A /6.3V,5A/6.3V,5A

38X75
6.2
116X131X100

74

680WA1

Pic

For Monoblock amps

EL34/KT88/FU7/6P3P/FU50

0-20V-270V-340V,1.2A/0-70V,200V,220V,0.3A/6.3V,8A/6.3V,8A/

0-5V-6.3V,6A/0-5V-6.3V,6A

Primary voltage options:
[1]115V+115V
[2]220V/230V/240V

44x80
8.7
132x110x130 120

680WA2

Pic

For monoblock amps

805/845/813/GM70

0-100V-760V-820V,0.5A/330V,0.2A/10V,5A/10V,5A/

6.3V,3A/6.3V,3A/0-5V-6.3V,6A

Primary voltage options:
[1]115V+115V
[2]220V/230V/240V

44x80
8.7
132x110x130 120

removed from military used 7512 receiver

Pre amp / power amp

Iron case seal, ultra high quality

Example circuit

Primary110/220V/primary 300V--0--300V,0.1A/6.3V,3.5A/5V,2A

/
4.8
125X118X98
76

※2B5 C /140W

6P3P/EL34/KT88

ultra high quality

※Removed from military used C model
Primary220V,primary 290V 0.215A
12.6V 3.3A,192V 0.125A,6.3V 1.65A,12V 0.325A
Really weak shaking when the transformer is without load

32X16
1.75
90X65X105
38

※2B6 C voltage regulator tranformer /750W

could be used as voltage regulator

ultra high quality

※Removed from military used C model autotransformer
170V-240V
Really weak shaking when the transformer is without load

 

32X16
1.70
80X70X105

29

(with switch 42)

BEZ Transformers cases
Model name
Pic
Used for transformers
Size
$/each

B type /stainless steel/

vertical

Core 32 mm power\output\choking coil Vertical(outlet hole at the buttom)
99×83×32
$4

B type /stainless steel/

embading

Core 32 mm power\output\choking coil Embedding(no outlet hole)
99×83×32
$4

B type /stainless steel/

horizontal

Core 32 mm power\output\choking coil Horizontal(outlet hole on left or right)
99×83×32
$4

C type /stainless steel/

vertical

Core 38 mm power\output\ Vertical(outlet hole at the buttom)
117×98×35
$5

C type /stainless steel/

embading

Core 38 mm power\output\ Embedding(no outlet hole)
117×98×35
$5

C type /stainless steel/

horizontal

Core 38 mm power\output\ Horizontal(outlet hole on left or right)
117×98×35
$5
  L1 Aluminum case 6.5W single end
65×65×75
$9
  L3 Aluminum case 8Wsingle end\10Wsingle end\15W push\55W power \845 push
75×85×88

Sold

  L4 Aluminum case Core 32 mm 120W/150W/180W power
110X103X110
$50
  L5 Aluminum case 250W/300W/350W/460W power transformer
138X125X110

Sold

  B3 Stainless steel case
8W single end\10W single end\15W push\55W power
75×85×88

Sold

B4 Stainless steel case Core 32 mm 15W single end-50W single end,25W push-80W push, 80W power transformer-180W power transformer

108X108X108

0.44KG each

$13
  B5 Stainless steel case   250W/300W/350W/460W power transformer
138X125X110
$15
B type stainless steel case base (vertical)
Core 32 mm transformers
/
$1
B type stainless steel case base (horizontal)
Core 32 mm transformers
/
$1
C type stainless steel case base (vertical) Core 38 mm transformer
/
$1
C type stainless steel case base (horizontal) Core 38 mm transformer
/
$1
BEZDZ made choke coil
 
BEZDZ made choke coil
steel sheets width× lamination (mm)
weight
(Kg)
Size
(mm)

Price with case
$/each

Price without case
$/each
 
0.016H 3A internal resistance 0.4 ohm wire filtering
16×24
0.5
59×48×53
-
8
 
0.3H 1.5A internal resistance 2.2 ohm wire filtering
22×36
1.05
69×67×58
-
17
 
22×36
1.05
69×67×58
-
17
 
16×24
0.5
59×48×53
-
13
 
5H 0.05A (withstand voltage 2KV)internal resistance 150 ohm
16×24
0.3
59×48×53
-
8
 
16×24
0.5
59×48×53
-
13
 
22×36
1.05
69×67×58
-
17
  6H 0.3A (withstand voltage 2KV)internal resistance 62 ohm
22X45
1.7
67X77X80
Vertical /
horizontal
23
 
16×24
0.5
59×48×53
-
13
 
32×36
2.25
82×72×97
B type /stainless steel
210
30
 
22×29
0.83
69×60×58
-
15
 
22×36
1.05
69×67×58
-
17
 
32×36
2.25
82×72×97
B type /stainless steel
210
30
  20H 0.1A (withstand voltage 2KV)internal resistance 300 ohm
/
1.56
66×80×86

-

29
 
32×36
2.25
82×72×97
B type /stainless steel
210
30
   
25H 0.05A (withstand voltage 2KV)internal resistance 225 ohm
22×29
0.83
69×60×58
-
15
 
22×36
1.05
69×67×58
-
17
 
22×29
0.83
69×60×58
-
19
 
22×29
0.83
69×67×58
-
25
Other high quality choke coils
C3
BRJ4750010
0.57
56×50×60
-
13
C4
4750024
0.8
74×58×85
-
15
C6
/
1.3
78×60×68
made in China
17
26×40
2.2
82×72×97
made by 27
38
35×46
4.65
108×88×128
made by 27
46
 

※Ctype 6H/0.5A(withstand voltage 2KV)internal resistance 84 ohm
C type steel sheets width 32 × lamination 16 (mm)

PT4751028
2.15
9×85×125
military used
38
 
PT4750095
0.3
40×45×45
military used

Sold

 
PT4750097
0.2
40×40×45
military used
11
 
PT4750096
0.3
50×45×50
military used
15

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