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Shun Mook's Power Tube Resonator (Set of 2)
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Shun Mook's Power Tube Resonator (Set of 2)

Tube Accessories by Shun Mook

Manufacturer's Description:

Shun Mook products are hand made in limited quantities. Depending on availability and the products you are ordering there may be substantial delays.

The Shun Mook Power Tube Resonators use the same design principles as the mini-valve resonators. Only the physical size of the PTR is much larger due to the higher level of energy flowing through the bulb. The PTR is designed for placement on top of the vacuum tube; its body is approximately 1.4 inches in diameter by 1-inch in height.

Three silver alloy wire legs firmly hold the PTR to the top of the vacuum tube. The legs are sized at the Shun Mook Workshop for large, medium and small (1.75", 1.5", and 1.25" average glass diameter) vacuum tubes. However, the user can bend and make adjustments to the legs to fit slight variations in different tube brands. In the case of tubes like the 300B or KT88, the legs are set for the top portion of the glass dome.

Due to the high heat output of most tubes, the PTR is treated with a special heat resistant epoxy coating. In normal operation, the wood will get very hot which means the molecules inside are excited and resonating musical energy to enhance the bulb's performance.

The PTR is packaged in sets of two. For multi-tube power amps, it is not necessary to cover all output tubes with PTRs. Usually one or two per channel will be enough for a big improvement. It's like upgrading your ordinary vacuum tube to those famous brand name NOS models.


Pricing Information

Price: $380.00
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