AUDIOPHILE PERFORMANCE TUBE OUTPUT TRANSFORMERS 
- IN GOOD PRICE RANGE -
Made in Taiwan

- OUTPUT TRANSFORMERS
- INTERSTAGE/DRIVER TRANSFORMERS
- CHOKES
- MC-STEP UP TRANSFORMERS
- POWER INDUCTORS
- POWER TRANSFORMERS FOR TUBE PreAmp & PowerAmp. 
 
NICKEL CORE SINGLE-ENDED POTTED OUTPUT TRANSFORMER
With secondary impedance at 4, 8, 16 ohm (power on 10W with 4 & 8 ohm as standard), Black & champagne finish
* Nickel Core used & Teflon insolated

Model No.
Max. P. DC current Primary
Impedance(s)

Audio 
Watt
Frequency
Response
Application
tubes type
Dimension
Reference
Net Weight
(kg)
6112NM 70mA 2.5/3.5K(SG) 10W 27Hz~52KHz-2dB 2A3 72mm dia. x 85mm
1.3
6123NM 90mA 2.5(90mA)/3.5(76mA)(SG)
3.5(76mA)/5k(65mA)(SG)  
20W

15Hz~70KHz-2dB(2.5K)
15Hz~69KHz-2dB(3.5K)

15Hz~60KHz-2dB(5K)

2A3/300B F 3.2
6132NMF 110mA 2.5k(SG) 30W 15Hz~60KHz-2dB 300B D 5.2
6133NMF 100mA 3.5k(SG) 30W 15Hz~60KHz-2dB 300B D 5.2
6153NMF 120mA 3.5k(SG) 50W 15Hz~70KHz-2dB 805 C
5.7

* Suffix 'NM'--- Nickel core with isolation of Dupont's Nomex
* Specifications other then 6123NM to be updated, please contat for details

SINGLE-ENDED POTTED OUTPUT TRANSFORMER
With secondary impedance at 4, 8, 16 ohm (power on 10W with 4 & 8 ohm as standard), Black & champagne finish
* With optional feedback 16 ohm & 32 ohm lead out and screen tap

Model No.
* S: 43% screen tap
Max. DC current Primary
Impedance(s)
Audio 
Watt
Frequency
Response
Application
tubes type
Dimension
Reference
Net Weight
(kg)
6112HS

65mA(2.5K) / 55mA(3.5K)

2.5/3.5K 10W 29Hz~50KHz-2dB at 2.5KΩ 45/2A3

F(but height in 90mm)

1.6
6113HS
60mA
3.5K/5K
10W
30Hz~60KHz-2dB
6V6
F(but height in 90mm)
1.6
6115HS

50mA 5K/7K

5K/7K
10W
30Hz~50KHz-2dB
6BQ5
F(but height in 90mm)
1.6
6123HS 90mA 2.5/3.5/5k 20W 20Hz~60KHz-2dB 2A3/300B F 3.2
6130HF 250mA 600 30W 20Hz~69KHz-2dB 6C33/6AS7 D 5.2
6132HSF 110mA 2.5k 30W 18Hz~60KHz-2dB 300B/2A3 D 5.2
6133HSF

100mA

3.5k 30W 18Hz~50KHz-2dB 300B/EL34 D 5.2
6135HSF 80mA 5k 30W 18Hz~50KHz-2dB 211/845 D 5.2
6145HSF 107mA 3.5k 40W 20Hz~51KHz-2dB 805/810 C
5.7
6153HSF 120mA 3.5k 50W 20Hz~51KHz-2dB 805/810 C
6.3
6155HF 140mA
(ib 100mA)
5k(w/FeedBack) 50W 20Hz~33KHz-2dB 845/805 C/D 5.6
6157HSF 90mA
7k(w/Feedback) 50W 20Hz~35KHz-2dB 211/845 C 6.3
6159HSF 70mA 10k 50W 20Hz~35KHz-2dB 211/845 C 6.3
 
PUSH-PULL POTTED OUTPUT TRANSFORMER
With secondary impedance at 4, 8, 16 ohm, Black & Champagne finish
* With optional feedback 16 ohm & 32 ohm lead out and screen tap

Model No.
* S: 43% screen tap
Max. DC current Primary
Impedance(s)

Audio 
Watt
Frequency
Response
Dimensions
Reference
Net Weight
(kg)
6223HS 90mA 3.4k (SG) 20W 5Hz~100KHz -1dB F 2.4
6225HS 90mA 5k (SG)  20W 5Hz~100KHz -1dB F 2.4
6226HS 90mA 6.6k (SG) 20W 5Hz~100KHz -1dB F 2.5
6228HS 90mA 8k (SG) 20W 5Hz~110KHz -1dB F 2.5
6233HS 100mA 3.4k (SG) 30W 5Hz~100KHz -1dB E 3.1
6235HS 100mA 5k (SG) 30W 5Hz~100KHz -1dB E 3.1
6236HS 100mA 6.6k (SG) 30W 5Hz~100KHz -1dB E 3.1
6238HS 100mA 8k (SG) 30W 5Hz~80KHz -1dB E 3.1
6253HF 160mA 3.4k (SG) 50W 5Hz~100KHz -1dB D 6
6255HF 150mA 5k (SG) 50W 5Hz~100KHz -1dB D 6
6256HF 150mA 6.6k (SG) 50W 5Hz~100KHz -1dB D 6
6258HF 150mA 8k (SG) 50W 5Hz~80KHz -1dB D 6
6273HF 200mA 3.4k (SG) 70W 5Hz~80KHz -1dB B 7.0
6274HF 180mA 4.5k (SG) 70W 5Hz~80KHz -1dB B 7
6275HF 180mA 5k (SG) 70W 5Hz~80KHz -1dB B 7
6278HF 200mA 8k (SG) 70W 5Hz~80KHz -1dB B 7
6293HF 220mA 3.4k (SG) 100W 5Hz~80KHz -1dB A 8
6295HF 220mA 5k (SG) 100W 5Hz~80KHz -1dB A 8
6299HF 150mA 10k (SG) 100W 5Hz~40KHz -1dB A 8

Dimensions Code C,D&E;
* Overall dimension: 106 mm(width) x 96mm(depth) x Dim. code(height)
* Fixing screw: dia. of 5 mm / central to central both in width and depth is 80mm

* bottom cut-out diameter for taps: 55 m/m
* Height for Dim. code C: 150mm/ D: 130mm / E: 110mm

Dimensions Code A&B;
* Fixing screw:  dia. of 5 mm / central to central both 102mm
* bottom cut-out diameter: 60 m/m
* Overall dimension: 122 mm(width) x 122mm(depth) x Dim. code(height)
* Height of Dim. code A: 150mm/ B: 130mm

Dimensions Code F&G;
* Overall dimension: 80 mm(width) x 90mm(depth) x Dim. code(height)
* Fixing screw: dia. of 5 mm / central to central in width 65mm, in depth 74mm

* bottom cut-out diameter for taps: 35 m/m
* Height for Dim. code F: at 110mm/ G: at100mm

 

INTERSTAGE/DRIVER TRANSFORMERS
 Black & champagne finish
* Nickel Core used

Model No.
Impedance & turns ratio
Pri. Current 
Frequency
Response
Dimension
Reference
Net Weight
(kg)
2002N P.P. 5K  S5K 1+1: 1+1 80mA 10Hz~80KHz-1dB H  
2003N P.P. 5K  S20K 1+1: 2+2 40mA 10Hz~50KHz-1dB I
 
2005N
P.P. 5K  S5K 1+1: 1+1
100mA
10Hz~80KHz-1dB
G
 
2005N-120
P.P. 5K  S5K 1+1: 1+1
120mA
7Hz~80KHz-1dB
H
2.8
2006N
B.P. 7K  1: 2CT
10mA
14Hz~15KHz-2dB
H

2007N
B.P. 7K  1: 1CT
10mA
12Hz~28KHz-2dB
H

2008N
B.P. 5K  1:1CT
30mA
16Hz~40KHz-2dB
H

2009N
B.P. 5K  1: 2CT
10mA
19Hz~16KHz-2dB
H

2010N B.P. 10K  1: 1.5CT
10mA 16Hz~17KHz-2dB
H
 
2013N B.P. 2.5K  1:0.8CT
80mA 12Hz~43KHz-2dB
G
 
2014N B.P. 5K  1: 1CT
60m 11Hz~27KHz-2dB
G
1.8
* CT: center tap
* BP: B+ plate(single)

* PP: Push Pull


Dimensions Code I & H(Column shape);

* body diameter / body height / Cut-Out hole dia. / overall width / fixing hole to hole(m/m)
Code I: 47/64/-/51 x 51/40 x 40

Code H: 72/85/40/72 x 72/51 x 51/59 x 59

Dimensions Code G(Cube shape);
* body width W/ body depth D/ body height H/ Cut-Out hole dia. / fixing hole to hole(m/m) width / fixing hole to hole(m/m) depth
Code G: 80W/90D/100H/45/65 /74, fixing hold dia. 5mm

PRE-OUTPUT TRANSFORMERS
 Black & champagne finish

Model No.
Impedance & turns ratio
Frequency
Response
DC BIAS
Current
Sec
Current
Dimension
Application
tubes type
3002NM B.P. CT 2.5K S 600 CT 14Hz~45KHz-2dB 50mA 120mA 72mm dia. x 85mm H 2A3
3003NM B.P. CT 3.5K S 600 CT 14Hz~40KHz-2dB 50mA 120mA 72mm dia. x 85mm H
2A3/45
3005NM
B.P. CT 5K S 600 CT
14Hz~33KHz-2dB
30mA
120mA
72mm dia. x 85mm H
6SN7/6J5
3010NM
B.P. CT 10K S 600 CT
15Hz~38KHz-2dB
20mA
110mA
72mm dia. x 85mm H
6SN7/6J5
* CT: center tap
* BP: B+ plate(single)
* PP: Push Pull

Dimensions Code H(Column shape);

* body diameter / body height / Cut-Out hole dia. / overall width / fixing hole to hole(m/m)
Code H: 72/85/40/72/59

POWER INDUCTOR/CHOCK
 Black & champagne finish
 
Model No.
Inductance
Ib DC Current (mA)
DC Resistance Dimension
type Code/mm
Net Weight
(kg)
10-120M 10 H 120mA 141Ω M2
0.7
15-100M 15 H 100mA 206Ω M2
0.7
35-50M 35 H 50mA 463Ω M2
0.7
35-60M 60 H 30mA 650Ω M2
0.7
20-50M 20 H 50mA 380Ω E
0.45
20-50M 20 H 50mA 380Ω E
0.45
20-150S 20 H 150mA 143Ω B
3.14
5-200M 5 H 200mA 62Ω C
0.91
1-450C 1 H 450mA 14Ω H
1.3
3-250C 3 H 250mA 41Ω H
1.3
5-200C 5 H 200mA 62Ω H
1.3
7-300S 7H 300mA 58Ω A 3.35
10-200S 10H 200mA 97Ω B
3.14
10-250S 10H 250mA 82Ω A
3.35
60-30M 60 H 30mA 650Ω D
0.66

* Model number with suffix of;
'M' - non potted
'C'- column shape
'S' - Square cube shape

Dimensions Code A & B(
Cube shape);
* Overall dimension: 80 mm(width) x 90mm(depth) x Dim. code(height)
* Fixing screw: dia. of 5 mm / central to central in width 65mm, in depth 74mm

* bottom cut-out diameter for taps: 45 m/m
* Height for Dim. code A: at 110mm / B: at100mm

Dimensions Code C, D & E(Column shape);
* body width / body height / core thickness / overall width / fixing hole to hole(m/m)
Code C: 68/58/34/93/81
Code D: 59/50/32/83/72
Code E: 59/50/20/83/72

Dimensions Code M1, M2 & M3(Bare, non-poted);
* body width / body height / core thickness / overall width / fixing hole to hole(m/m)
Code M1: 68/58/34/93/81(5x7 Ф)
Code M2: 59/50/32/83/72
(4.5x7 Ф)
Code M3: 59/50/20/83/72
(4.5x7 Ф)

POWER TRANSFORMERS FOR TUBE
 Black & champagne finish

Model No.
Primary Secondary
Current Dimension
type

Application
tubes type
Weight
(kg)
9608 115V
110V

S1: 10V-160V-180V-200V
S2: 300V-CT-0
S3: 80V
S4: 6.3V
S5: 6.3V
S6: 6.3V-CT

1A
100mA

100mA
7A
7A
3A

B

6AS7
6C33

SE & P.P.

7
9609 115V
110V

S1: 120V-350V-380V
S2: 120V-350V-380V
S3: 5V-6.3V-7.5V
S4: 5V-6.3V-7.5V
S5: 5V
S6: 6.3V-CT

0.25A
0.25A
4A
4A
3A
3A

B 300B SE x 2
KT88 PP
2A3 SE x 2
7
9610 115V
110V

S1: 400V-380V-0-80V-380V-400V
S2: 5V - 6.3V
S3:
5V - 6.3V
S4: 5V
S5: 6.3V-CT

0.35A
4A
4A
4A
3A

B

6CA7
KT66
KT88
300B

P.P.

7
9611 115V
110V

S1: 360V-280V-0-70V-280V-360V
S2: 5V
S3: 6.3V-CT
S4: 6.3V
S5: 6.3V

0.3A
4A
3A
3A
3A

B

6BQ5
6V6 S.E. X2
6B4 P.P.x 4

6L6

5.4
9613 115V
110V

S1: 350V-300V-0-70V-300V-350V
S2: 5V
S3: 6.3V-CT
S4: 5V-6.3V
S5: 5V-6.3V

0.5A
6A
4A
4A
4A

B

KT88
6L6
EL34

P.P.

8
9614 115V
110V

S1: 0V-20V-300V-350V-400V
S2: 80V
S3: 5V-6.3V-7.5V
S4: 5V-6.3V-7.5V
S5: 6.3V-CT

0.6A
0.1A
4A
4A
4A

B

KT66
655A P.P.
6CA7

8
9618 115V
110V

S1: 400V-380V-0-70V-380v-400V
S2: 5V-CT-0
S3: 5V-6.3V-0
S4: 5V-6.3V-0
S5: 6.3V-CT

0.4A
6A
4A
4A
4A

A 300B
KT88 PPx 2
6550A
9
9619 115V
110V

S1: 320V-340V
S2: 320V-340V
S3: 26V
S4: 10V
S5: 10V
S6: 5V
S7: 6.3V-CT

0.4A
0.4A
300mA
5A
5A
6A

6A

A 810 SE
805 PP
9
9622A
(Solder terminal)

9622B
(terminal board tap)
115V
110V

S1: 280V-260V-0-260v-280V

S2: 5V
S3: 6.3V-CT
S4: 2.5V-6.3V
S5: 2.5v- 6.3V

0.25A

3A
2A
3A
3A

F 2A3 P.P.x 1
6B4 S.E. x 1
5.6
9625A
(Solder terminal)

9625B
(terminal board tap)
115V
110V

S1: 400V-380V-0-380v-400V

S2: 5V
S3: 6.3V-CT
S4: 5V-6.3V
S5: 5v- 6.3V

0.25A

4A

3A
3A
3A

F KT88 PPx 1
300B
5.6
9652 115V
110V

S1: 400V-0-400V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-5V
S5: 0-5V

0.2A
3A

2A
2A
2A

C 300B S.E. x 2
300B P.P.
3.7
9653 115V
110V

S1: 380V-0-380V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-6.3V
S5: 0-6.3V

0.2A
3A

2A
2A
2A

C KT88 S.E.
EL34 P.P.
3.7
9654 115V
110V

S1: 350V-0-350V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-6.3V
S5: 0-6.3V

0.2A
3A

2A
2A
2A

C EL34 S.E.
6L6 P.P.
3.7
9654P-2

230V (115V X 2)

S1: 350V-0-350V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-6.3V
S5: 0-6.3V

0.2A
3A

2A
2A
2A

C

* Potted with epoxy filled

EL34 S.E.
6L6 P.P.
3.7
9656 115V
110V

S1: 280V-0-280V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-2.5V-6.3V
S5: 0-2.5V-6.3V

0.25A
3A

2A
2.5A
2.5A

C 6BQ5
6V6 SE
6B4 P.P.
2A3
3.7
9656P-2 230V (115V X 2)

S1: 280V-0-280V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-2.5V-6.3V
S5: 0-2.5V-6.3V

0.25A
3A

2A
2.5A
2.5A

C

* Potted with epoxy filled

6BQ5
6V6 SE
6B4 P.P.
2A3
3.7
9657 115V
110V

S1: 260V-0-260V
S2: 0-5V
S3: 0-CT-6.3V
S4: 0-2.5V-6.3V
S5: 0-2.5V-6.3V

0.25A
3A

2A
2.5A
2.5A

C 6BQ5
6V6 SE
6B4 P.P.
2A3
3.7

* Optional primary on 230V & 220V to custom order

Dimensions Code A & B(Cube shape);

* body width W/ body depth D/ body height H/ Cut-Out hole dia. / fixing hole to hole(m/m) width / fixing hole to hole(m/m) depth
Code A: 122W/122D/150H/60/102 /102, fixing hold dia. 5mm
Code B: 122W/122D/130H/60/102 /102, fixing hold dia. 5mm
Code C: 106W/96D/110H/72 x 55/79 /64, fixing hold dia. 5mm
Code F: 122W/122D/110H/66 x 80 oblong/86 /69, fixing hold dia. 5mm

* More of ...
POWER TRANSFORMERS FOR TUBE PreAmp & PowerAmp. 

        
Please contact for items not listed above.
Last updated on 11/17/11