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Herbie's Audio Lab UltraSonic SS-30


Product Description

UltraSonic SS-30

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:

UltraSonic SS-30: This damper fits small-signal straight-sided octal tubes approximately 1-1/8" to 1-1/4" diameter (28mm to 32mm), including 12J5/GT, glass 12SJ7, 12SJ7GT, 12SL7/GT, 12SN7/GT, 5691, 5692, 6AH4, 6AU5, 6BL7, 6DN7, 6EA7, 6EM6, 6EM7, 6EW7, straight-sided 6F6G, 6FD7, 6FY7, 6H4, 6H4GT, glass 6J5, 6J8P, 6N8P, 6N9P, 6R7GT (glass T-9 bulb), 6SF5-GT (glass tube), 6SH7, glass 6SJ7, 6SJ7GT, 6SL7, 6SN7, 6SN7GT-series (6SN7GT, 6SN7GTA, 6SN7GTB, 6SN7WGT, 6SN7WGTA), MT8 bulb, PL504.

An affordable state-of-the-art damping instrument, UltraSonic SS is designed specifically for small-signal tubes. Firm-yet-compliant isolation pads made of an exclusive silicone/silica formulation, coupled with tempered titanium C-rings, deliver unsurpassed microphonics reduction and amazingly natural sound. Harsh, acute vibrations are reduced in amplitude so they do not cause irritating distortions or subtle microphonics, allowing the full musical potential of the tubes to fully blossom. With more of the inherent potential of your preamp and small-signal tubes realized, your audio system will achieve a new level of high performance.

Sleeveless pads allow use to 400° F (204° C), which is well above the temperature range of most small-signal tubes, including amplifier input and driver tubes. Not recommended for extremely hot-running 6H30 "supertubes," 5687/6900 triodes, EL84, rectifier tubes, output power tubes, or other extremely hot-running tubes (use UltraSonic Rx or HAL-O III for these).

UltraSonic SS is recommended for all small-signal tubes listed below, for use with CD player, DAC, preamp, and amplifier. (UltraSonic SS dampers fit closely around the tube; ideal for Raysonic CD Players, tube microphones, and other limited-space applications.)


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