Two very rare 6188 , 6SU7, special 6SL7 tubes by Tung-Sol NOS, NIB, perfect
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| Condition | |
| Payment methods |  |
| Ships from | athens, attika, 17122 |
| Ships to | Worldwide |
| Package dimensions | unspecified |
| Shipping carrier | unspecified |
| Shipping cost | $0.00 |
| Original accessories | Box |
 Average | Research Pricing |
Two very rare 6188, 6SU7 tubes ,special quality 6SL7, by Tung-Sol made in USA, NOS. These are great 6SL7 substitutes said to sound sweet. The 6188 is a perfect tube , fully upwards compatible to 6SL7.
The tubes made for applications that require extreme stability, lower spread of characteristics such as plate current , transconductance and gain.
The tubes are low noise with perfect balance between two triode sections.
These are early version with black glass (50 decade) ,D getter ,round black plates, and low loss base material.
Full tested .Offered with original old boxes.
Please see carefully the photos are the actual items that will be sent
I ship the items between 1-3 working days after payment via paypal, as registered parcel, (with tracking number) .
Thanks for looking, Giannis..
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