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Herbie's Audio Lab HAL-O III-55 Tube Damper

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Product Description

Our pricing for this product is the "MAP Pricing."  This means that the prices shown here are the "minimum advertised prices" permitted by the manufacturer.

Manufacturer's Description:

HAL-O III brings out the best potential in audio rectifier and power tubes and other sensitive tubes. HAL-O III subdues heater-generated vibrations and common microphonics, allowing a truer rectified current and truer musical signal. Tube output will be a little cleaner sounding, a little more musical, energetic and less vague, while maintaining your system's unique nature and character.


With spring-tempered titanium C-ring and annealed titanium isolation pads, HAL-O III is appropriate for all vacuum tubes, ideal for extremely hot-running tubes, able to handle continuous tube heat in excess of 1000° F (538° C).



HAL-O III-55

For jumbo-size tubes 2-3/16" to 2-5/16" diameter (55mm to 59mm), including 101D/101F, narrow 211 (RCA), 211/VT-4C, 2A3 (EML), 2A3-Mesh (EML), 274A, 300B "Balloon" (KR), Svetlana 300B, 45 (EML), large bottle 5Y3GB (smaller Mazda uses UltraSonic 40), "narrow" 805 (RCA, United), 829B, 841, 842, narrow 845 (Amperex, RCA), 845A (Shuguang), 872, "Big Bottle" GZ37, SV811-10, T-18 bulb.*


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