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Crisp sounding tubes for Modwright 5400ES

I recently upgraded from a Modwright 9100ES to a Modwright 5400ES. While there were improvements, the richer mid-range and more powerful bottom end of the 5400ES tipped my previously balanced sounding system into one sounding a bit overly polite with a lack if crispness in the top end.
Can anyone advise me on what tubes (output & rectifier) and power cables to chose so as to brighten the top-end.
Grateful for your advise.
solentgreen

Showing 1 response by pdreher

pdreher's avatar
pdreher
1,230 posts
 
I'm new to the Modwright 5400ES owners club. IME, swapping out the stock Sovtek 5AR4 with a 1965 vintage Mullard 4 notch 5AR4 (rebranded Hammond from Brent Jesse Recording & Supply) made a huge difference.

Adjectives that describe the improvements:
- dynamic
- textured
- bold
- natural
- musical

This NOS Mullard is a keeper.
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