Vintage Mullard PT cost as much as a amp(almost) Are they worth the $5-$800.00 Do they make the sound of a Marshall that great,Is it night and day.Anyone know?Big $$$ Mullards??
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bobtec
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Big $$$ Mullards??
Vintage Mullard PT cost as much as a amp(almost) Are they worth the $5-$800.00 Do they make the sound of a Marshall that great,Is it night and day.Anyone know?-
5150loveeddie
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Yep its night and day my friend BUT I wouldn't pay 800$ for a quad of Mules, you can get some not to much "NOS" for 200-300$ (a little used.....) to get the magic.............As long as they test like new......
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novosibir
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But watch out for the "right ones"!
There have been different types of the Mullard EL34. The first type was the "metal base" Xf1 from 1952 on - very expensive.
The Xf2 is the type with the welded plates an 10 teeth on the spacer in the top of the tube. The brown based Xf2(a) has two getter rings in the tube's top, the Xf2(b) only one, but slightly bigger getter ring. Both Xf2 types are sounding very smooth and bluesy, but also defined.
The Xf4 is the type, which became popular in the Marshall amps in the late 60's and early 70's. This tube has crimped plates and only 4 teeth on both spacers in the top and bottom of the glass envelope. This is a very powerful and strong sounding tube, but not far as rugged, as a Xf2 type - and maybe the reason, why Marshall once switched over to the 6550 in his export models.
Another type between is the Xf3, already with crimped plates, but still with the spacer with the 10 teeth. That's nothin' other, than a rugged version of the Xf4, especially made for military use in that days - and it's my personal favorite.
Most of the Mullards aren't stamped as a Mullard, most of them you'll find stamped as a "Valvo", "Siemens" (with the old S&H logo), "Philips", "Philips Miniwatt" and sometime even as "Tungsram".
Watch out for the type code and the production code, written in two rows into the glass envelope near the base of the tube:
Type code i.e.: Xf2; Xf3; Xf4
Prod. code i.e.: B3J5; B7H4; B0B2; aso.
Important is the "B" in the first position of the second row, what means "Blackburn", the city's name in U.K., where these nice babies once were made - in the Mullard factory.
Larry (the German)
There have been different types of the Mullard EL34. The first type was the "metal base" Xf1 from 1952 on - very expensive.
The Xf2 is the type with the welded plates an 10 teeth on the spacer in the top of the tube. The brown based Xf2(a) has two getter rings in the tube's top, the Xf2(b) only one, but slightly bigger getter ring. Both Xf2 types are sounding very smooth and bluesy, but also defined.
The Xf4 is the type, which became popular in the Marshall amps in the late 60's and early 70's. This tube has crimped plates and only 4 teeth on both spacers in the top and bottom of the glass envelope. This is a very powerful and strong sounding tube, but not far as rugged, as a Xf2 type - and maybe the reason, why Marshall once switched over to the 6550 in his export models.
Another type between is the Xf3, already with crimped plates, but still with the spacer with the 10 teeth. That's nothin' other, than a rugged version of the Xf4, especially made for military use in that days - and it's my personal favorite.
Most of the Mullards aren't stamped as a Mullard, most of them you'll find stamped as a "Valvo", "Siemens" (with the old S&H logo), "Philips", "Philips Miniwatt" and sometime even as "Tungsram".
Watch out for the type code and the production code, written in two rows into the glass envelope near the base of the tube:
Type code i.e.: Xf2; Xf3; Xf4
Prod. code i.e.: B3J5; B7H4; B0B2; aso.
Important is the "B" in the first position of the second row, what means "Blackburn", the city's name in U.K., where these nice babies once were made - in the Mullard factory.
Larry (the German)