JJ Tesla / 5881-JJ TESLA

5881-JJ TESLA Click on image(s) above to view larger
£12.00

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The JJ factory was born out of the ashes of the former Tesla factory. They currently make a range of High quality valves based on some of Tesla most famous designs.
The JJ 5881 are built to replicate the tight and punchy sound of the original USA made 6L6WGB- 5881.

The 5881 type was used in amplifiers such as the 1959 Fender Bassman and was one of the major ingredients to this amplifier fantastic sound.

Sound wise the JJ 5881 sits right between a 6L6GC and a 6V6GT in terms of output and tone.

They produce a warm midrange tone that is deep and rounded. The top end is bright with plenty of bite which cuts through the mix and kicks like a mule. The valve breaks up early and has that punchy midrange twang and jangle. This valve has that punchy and biting early tweed era sound.

The JJ data sheet shows that valves have been made with 23 watt plate dissipation but interestingly show a plate voltage rating more in keeping with a 6L6GC in pentode operation.

If you adhere to the 23 watt plate rating when rebiasing then the JJ 5881 will provide less clean headroom and magical vintage tone. This is certainly a great sounding valve without doubt .and the reason we have stocked it.

Before you decide to use the JJ 5881 in your amplifier you will a need to re set the bias. If your amplifier was fitted with 6L6GC as standard then it will be a must that you do this

In a fixed bias or cathode bias amplifier circuit that uses 6L6GC the bias should be set according to the 23 watt plate dissipation. Your tech may need to change the cathode resister to a higher value to supply more negative volts.

The JJ 5881 is an excellent valve that will supply early break up and tweed style tone.
If you cannot run to the original USA made Philips 6L6WGB then the JJ 5881
will get your sound in that area.

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