Silk Output Transformer
 
Single Ended Output Transformer with "SILK Wounding" Technique
Standard Series
Model
Primary Imp (KR)
Secondary Imp (R)
Frequency Response (Hz)
Power Output (Watts)
Maximum Current (mA)
DC Unbalance(mA)
Size (WxLxH) cm.
Weight (kg)
Recommended Tube
Price/pair
(THB)
Current
Henry
S-325
3.0
8
13-155,000Hz
20W
130mA
80
14
9x10x11.5
3
300B, 2A3, EL34, PX25, 6550, KT-88
8,800
S-525
5.0
8
20-65,000Hz
20W
120mA
80
25
9x10x11.5
3
45, 50, 807, 811, 572
9,200
S-500
5.0
8
15-80,000Hz
40W
160mA
100
38
11x13x11.5
5
845
12,000
S-825
5.0
8
20-40,000Hz
20W
120mA
80
28
9x10x11.5
2.2
10, 801A, VT-62
7,500
S-1050
10.0
8
15-53,000Hz
50W
160mA
100
60
11x13x11.5
6.4
211, 845
18,000
 
Economic Series
Model
Primary Imp (KR)
Secondary Imp (R)
Frequency Response (Hz)
Power Output (Watts)
Maximum Current (mA)
DC Unbalance(mA)
Size (WxLxH) cm.
Weight (kg)
Recommended Tube
Price/pair
(THB)
Current
Henry
S-303
3.0
4/8
20-45,000Hz
12W
100mA
60
10
6x7x9.5
1.5
2A3, 6B4G, PX25A, 6F6,6V6
4,000
S-505
5.0
4/8
20-40,000Hz
12W
100mA
60
16
6x7x9.5
1.5
45, 71, EL84,6BM8
4,500
 
 
Push-Pull Output Transformer with "SILK Wounding" Technique
Standard Series
Model
Primary Imp (KR)
Secondary Imp (R)
Frequency Response (Hz)
Power Output (Watts)
Maximum Current (mA)
Maximum Henry
Size (WxLxH) cm.
Weight (kg)
Recommended Tube
Price/pair
(THB)
P-530
4.6K
8
10-100,000Hz
35W
200
+300H
9x10x11.5
2.2
2A3, 300B, PX-25A, 6CA7,6L6
9,200
P-545
4.6K
8
10-85,000Hz
80W
280
+500H
11x13x11.5
3.5
6550, KT88
12,000
P-100
3.0K
8
10-80,000Hz
120W
400
+400H
11x13x11.5
4.8
4xEL34, 6550 or KT88
15,000
P-2120
2.0K
8
10-50,000Hz
200W
700
+700H
11x13x11.5
7.0
6 To 8 x 6550 or KT88
22,000
 
Economic Series
Model
Primary Imp (KR)
Secondary Imp (R)
Frequency Response (Hz)*
Power Output (Watts)
Maximum Current (mA)
Maximum Henry
Size (WxLxH) cm.
Weight (kg)
Recommended Tube
Price/pair
(THB)
P-50
4.6K
4/8
20-35,000Hz
20W
150
+80H
6x7x9.5
1.5
EL84/6BQ5, 45, 71A
4,000
P-60
6.6K
4/8
20-25,000Hz
20W
120
+100H
6x7x9.5
1.5
6V6, 6F6, 6BM8
4,500
 

* Frequency Response -3.0dB at 5 watts reference to 1,000Hz
**Test at 120Hz/1,000Hz
* Guaranteed Specification but subjected to change for further improvement without notice.