Best Tubes for 1970 Bassman

[Kais]

Anyone have any recommendations for NOS or current production tubes?


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[jeremy]

Re: Best Tubes for 1970 Bassman

ive liked the tab 6l6wgc-str in my dual showman, if you can get some old ge glass they are great but also expensive

 

[SoPhx]

Re: Best Tubes for 1970 Bassman

Depends what you want:
big cleans---7581A or STR series, nice round tones---5881 or RCA blackplates. There are NOS and new production versions of all these 6L6 variants.

 

[Nostalgic Distortion]

Re: Best Tubes for 1970 Bassman

6L6’s or 5881’s if you’re feeling frisky....


Lol, sorry... I’m pretty impressed with the Tung-Sol big bottle reissues that came with my Bassman however if you have a head there may be clearance issues with those? If that’s the case their regular 6L6’s are also pretty great! My next favorite as far as new production 6L6’s would probably Mullard’s....

 

[Kais]

Re: Best Tubes for 1970 Bassman

I ended up reading a bunch of reviews and am thinking to get the tad 6l6


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[jeremy]

Re: Best Tubes for 1970 Bassman

which? there are two. the 6l6wgc and 6l6gc. kinda ge vs rca style

 

[Kais]

Re: Best Tubes for 1970 Bassman

which? there are two. the 6l6wgc and 6l6gc. kinda ge vs rca style

I did WGC for the extra mids, now I’m thinking about if the master volume mod would be worth it. This sucka is super loud...


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[Demanic]

Re: Best Tubes for 1970 Bassman

6L6’s or 5881’s if you’re feeling frisky....


Lol, sorry... I’m pretty impressed with the Tung-Sol big bottle reissues that came with my Bassman however if you have a head there may be clearance issues with those? If that’s the case their regular 6L6’s are also pretty great! My next favorite as far as new production 6L6’s would probably Mullard’s....

What's the difference, tone wise, between 6L6 and 5881?

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[Lake Placid Blues]

Re: Best Tubes for 1970 Bassman

What's the difference, tone wise, between 6L6 and 5881?

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6L6GB = 5881 = more mids, less headroom, earlier breakup. Shorter fat bottle. A true 5881 should not be used if the plate and screen voltage is much more than around 400. Used in Tweeds

6L6GC = more scooped, more bass and treble, more headroom, late break up. But handles 450+ voltage. Should be biased hotter than 5881. Big tall bottle.

6L6WGC Handles GC voltage but gives a more 5881 type response. In between 5881 and 6L6GC. Short bottle.

 

[Demanic]

Re: Best Tubes for 1970 Bassman

Ok, that matches my experience with them. Just checking my ear.

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[Kais]

Re: Best Tubes for 1970 Bassman

6L6GB = 5881 = more mids, less headroom, earlier breakup. Shorter fat bottle. A true 5881 should not be used if the plate and screen voltage is much more than around 400. Used in Tweeds

6L6GC = more scooped, more bass and treble, more headroom, late break up. But handles 450+ voltage. Should be biased hotter than 5881. Big tall bottle.

6L6WGC Handles GC voltage but gives a more 5881 type response. In between 5881 and 6L6GC. Short bottle.

Wow that’s great, 2 things I wanted: more mids and earlier breakup. Perfect


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