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[#1] vt25, vt25a, vt62, ux210, ux250, ux350    
各位師兄,

想問以下胆是否直代
vt25,vt25a, vt62, ux210, ux250, ux350

Thanks a lot in advance

Ed
whysoserious
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103.xxx.xxx.33
2017-03-28 17:10
[#2] vt25, vt25a, vt62, ux210, ux250, ux350    
VT25/VT25A/UX210 belongs to 10Y family

VT62 is military designation of 801A which is similar to 10Y but of higher plate dissipation

The above are very small power tubes but are better used as Driver tube in preamp circuit.

UX250/UX350 are type 50 tubes and not compatible with the above tubes at all. A higher power tube but still small in today's standard.



bambino
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123.xxx.xxx.13
2017-03-28 17:20
[#3] vt25, vt25a, vt62, ux210, ux250, ux350    
Thank you,

But could an amp using vt25 uses vt25a?

Ed

最後修改時間: 2017-03-28 17:32:36
whysoserious
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103.xxx.xxx.33
2017-03-28 17:32
[#4] vt25, vt25a, vt62, ux210, ux250, ux350    
yes, and can also use VT62/UX210

But don't put the above tubes in an amp designed for VT62 without verifying compatibility.

bambino
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123.xxx.xxx.13
2017-03-28 17:37
[#5] vt25, vt25a, vt62, ux210, ux250, ux350    
Thank you,

Is it type 50 tubes have too large power for the output transformers of vt25 amp?

Ed

最後修改時間: 2017-03-28 17:50:00
whysoserious
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103.xxx.xxx.33
2017-03-28 17:45
[#6] vt25, vt25a, vt62, ux210, ux250, ux350    
the difference is not just power. they are different type of tubes and should not be used in the same amp.

bambino
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123.xxx.xxx.13
2017-03-28 18:57
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