Chokes for Tube Amplifers - diyAudio
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Twin Audio Twin Audio is a manufacturer of hand made audiophile tube amplifiers.

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Old 19th May 2010, 05:29 PM   #1
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Default Chokes for Tube Amplifers

1. 5H/120mA choke:
A small sized choke is suitable for small powered single end tube amps such as EL84, 6V6, 6L6, 6BM8, etc.
Specification:
Inductance: 5H
Current: 120 mA
Power: 12VA
DC resistance: 88 ohms
H14 steel core, core size: 48x20mm
Outer dimension: 70mmW(with feet), 50mmW(with cover), 45mmD and 43mmH
N.W.: 0.35 KG/pc
Length of wires: 25 cm
Made in Hong Kong.
Price: USD13/pc
Special Price: USD10/pc, valid until 30, June.

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Last edited by Musik007; 20th May 2010 at 05:15 AM.
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Old 21st May 2010, 03:35 PM   #2
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Nice, now how about some of your nice output transformers?
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Old 21st May 2010, 04:41 PM   #3
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Quote:
Originally Posted by costis_n View Post
Nice, now how about some of your nice output transformers?
The 5K output transformers for EL84/6V6 single end are still available now. We can supply and custom make any other output transformers for single end and push pull tube amps. We will post other output transformers later.

Thanks.
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Old 25th May 2010, 02:33 PM   #4
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This compact sized choke can be used for internal and external applications.
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File Type: jpg 5H-120ma-4.jpg (802.5 KB, 282 views)
File Type: jpg 5H-120ma-2.jpg (805.3 KB, 256 views)
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Old 28th May 2010, 04:48 PM   #5
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There are some 5H/120mA chokes on stock.
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File Type: jpg 5H-120ma-7.jpg (799.1 KB, 227 views)
File Type: jpg 5H-120ma-9.jpg (828.4 KB, 23 views)
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Old 2nd June 2010, 04:19 PM   #6
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6 chokes were ready to be shipped to north Europe.
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File Type: jpg DSCN2594.jpg (782.1 KB, 16 views)
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Old 5th June 2010, 05:17 PM   #7
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2. 15H/120mA choke:
A small sized choke is suitable for small powered single end tube amps such as EL84, 6V6, 6L6, 6BM8 and preamp.
Specification:
Inductance: 15H
Current: 120 mA
Power: 20VA
H14 steel core, core size: 57x25mm
Outer dimension: 82.5mmW(with feet), 60mmW(with cover), 58.5mmD and 52mmH
N.W.: 0.70 KG/pc
Length of wires: 30 cm
Made in Hong Kong.
Price: USD20/pc
Special Price: USD15/pc, valid until 31, July.

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Old 11th June 2010, 02:04 PM   #8
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15H/120mA choke.
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File Type: jpg 15H-120ma-4.jpg (803.5 KB, 13 views)
File Type: jpg 15H-120ma-5.jpg (807.1 KB, 15 views)
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Old 20th June 2010, 05:54 AM   #9
EUVL is offline EUVL  Europe
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Tony,

I saw Poshan (Treasure Mountain) on the label.
They used to be at Tin Kwong Road, Tokwawan, right ?
Where are they now ? Can you give us a hint ?

Thx,
Patrick
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Old 21st June 2010, 03:02 PM   #10
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Hi Patrick,

Now Po shan is at 8D, Shun Wai Industrial Building, 15 Yuk Yat St., To Kwa Wan.

Thanks,
Tony.
Quote:
Originally Posted by EUVL View Post
Tony,

I saw Poshan (Treasure Mountain) on the label.
They used to be at Tin Kwong Road, Tokwawan, right ?
Where are they now ? Can you give us a hint ?

Thx,
Patrick
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