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MPCF-9

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PEARL MPCF-9, Tube Cooler for Small 9 Pin Power Tubes.
20,72 $CAChq
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PEARL MPCF-9, Tube Cooler for Small 9 Pin Power Tubes.
Sizes, fitted tubes, cooling specs & minimum "glass-to-glass" spacing.

 

Compatible with the following Tubes:

6BQ5, EL84

6FQ7, 6CG7

12BH7

12BY7

7044, 7119

and same size tubes.

 

 .PEARL TUBE COOLERS have been doubling the service life of hot-running audio vacuum tubes for 35 years, during which time over 50,000 pieces have been fitted into audio systems worldwide. If every fitted tube cooler extended a tube's service life by only 1,000 hours the use of PEARL TUBE COOLERS has resulted in a conservatively estimated 50 million additional hours of vacuum tube service life.

. . . .Almost certainly the longest running, best documented, best warranted and most successful tube audio accessory of all time, PEARL TUBE COOLERS have inspired several over-priced, under-performing imitators none of which combines the functions of cooling and modest microphonic reduction, nor anything like the cost/benefit ratio achieved by the long-established PEARL design.

. . . .Continuously refined, our heatsink design has evolved from an oxide blackened, louvered fin device with black EDPM O-rings — later found to have inadequate long-term thermal withstand — to the present day solid copper device with 3D-contoured, contiguous fins coated with 2 mils of high metal content, high temperature powder coat and held in place by high thermal withstand, red-orange, silicone O-rings.

. . . With heat from the within tube’s envelope and pressure from the external O-rings the powder coat slightly softens to then flow in a conformal manner with an intimate thermal interface and unmatched microphonic control resulting.

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