Friedman Full Revalve Kits / Fender Hot Rod Deville 4 x 10 YJ Fixed Bias Triode JJ EL84 7585 Volume Reduction Kit

Fender Hot Rod Deville 4 x 10 YJ Fixed Bias Triode JJ EL84 7585 Volume Reduction Kit Fender Hot Rod Deville 4 x 10 YJ Fixed Bias Triode JJ EL84 7585 Volume Reduction Kit Click on image(s) above to view larger
£123.00
£100.00

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Volume Reduction Kit 7585


Our Fender Hot Rod Deville Triode kit is designed to reduce the volume of your amp by between 75% & 85% .This Kit consists of 2 Yellow Jackets Fixed Bias Triode Operation Valve converters and Two Matched JJ EL84 Output valves.

These Triode operational converters not only drop the volume of your amp but also changes the operational mode to class A . This provides a VOX style tone with an increased touch sensitive response. The Yellow Jacket Fixed Bias Triode operation is for amps with fixed bias circuit. So these can be used on other Fixed bias amps in your collection.

These specialized power reduction , current-limiting voltage conditioning adapters converts your amplifier from Class AB to Class A operation and drops output power by using EL84 without modification or rebiasing. These converters for Fixed Bias amps cleverly provide the necessary plate voltage drop and current limiting on the screens as well as blocking the amplifiers grid bias voltage while configuring the EL84 in a Class A.

Power Reduction Pentode or Triode ?

We offer two Kits 5070 Pentode Operation and 7585 Triode Operation

Pentode Yellow Jacket will reduce your amps output by between 50% to 70%
Triode Yellow Jacket will reduce your amps output by between 75% to 85%
So a ball park figure of what you would get from each in your 40 watt Fender amp

In Pentode Operation with 2 Yellow Jackets approx. 12 to 15 Watts
In Triode Operation with 2 Yellow Jackets approx. 6 to 10 Watts

Yellow Jacket has an Overall height with the EL84 fitted of approx. 5 inches. So please check your clearance before ordering

Please note
Yellow Jackets cannot be used in amplifiers with plate voltages in excess of 515VDC and over 100 watts rms. It is not suitable for Peavey 6505, Bugera 6262 Infinium, Bugera 333XL Infinium, Orange OR120 and most valve bass amplifiers.

Product Measurements by Type
Item Diameter 1.301 in.
Item Height, without pins 2.18 in.
Item Height, with tube 5.0 in.

This Kit consists of

2 Yellow Jackets Fixed Bias Triode Operation Valve converters
2 Selected JJ EL84 Output valves

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