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tube dampers.|.footers.|.turntable mats.|.cd mats.|.system vibration.|.misc | |
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tube dampers.|.footers.|.turntable mats.|.cd mats.|.system vibration.|.misc | |
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For sub-miniature and Nuvistor tubes approximately 3/8" diameter (9.2mm to 10.4mm), including 5703, 6111, 6112, 6020, 6021, 6CW4, 6DS4, 6DV4, 6N16B, 7586, 7587, 7895, 8056, 8058.
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UltraSonic Rx-Mini: $23.98 ea. 4 or more: $23.29 ea.
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For 7-pin miniature tubes and all tubes approximately 5/8" to 3/4" diameter (16mm to 19mm), including 0A2, OA2, 0B2, OB2, 1S5, 12AE6, 12FK6, 12FM6, 12X4, 304B, 3S4, 408A, 5591, 5651, 6005, 6186, 6AK5, 6AN4, 6AU6, 6BH6, 6C4, 6ER5, 6FG5, 6GK5, 6J6, 6N4, 6P17, 6X4, miniature 6Z4, 7543, EC90, EF95, SBA6. (Most 7-pin miniature tubes, at about 19mm diameter [3/4"], can also use UltraSonic 9.)
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UltraSonic Rx-7: $25.66 ea. 4 or more: $24.92 ea.
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Fits miniature 9-pin tubes and all tubes 3/4" to 7/8" diameter (19mm to 22mm), including 10GV8, 12AT7/ECC81, 12AU7/ECC82, 12AX7/ECC83, 12AY7, 12AZ7, 12B4, 12BH7, 12BY7, 12BZ7, 12FQ7, 2C51/396, 417, 5670, 5687, 5751, 5814, 5842, 5963, 6189, 6201, 6267, 6350, 6414, 6688, 6829, 6840, 6900, 6922, 6955, 6973, 6AN8, 6BL8, 6BM8/ECL82, 6BQ5/EL84, 6BQ7, 6BW4, 6CA4, 6C45, 6CG7, 6CS7, 6DE7, 6DJ8/ECC88, 6E5P/6E5PI, 6EJ7, 6FQ7, 6GC7, 6GH8(A), 6H30, 6GU7, 6N1P, 6N30, 6N30P, 6N3P, 6N6(P), 6P1, 6S19P, 6U8(A), 6V4, 7025, 7044, 7062, 7119/E182CC, 7189, 7199, 7308, 7788, 8416, D3a, E80CC, EC86, ECC189, ECC81, ECC82, ECC83, ECC85, ECC86, ECC99, ECL86, EF184, EF86, EL84, EL86, EZ80, EZ81, PCC88, PCL82, PCL86, SV83.
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UltraSonic Rx-9: $25.69 ea. 4 or more: $24.95 ea.
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Fits all tubes approximately 1" to 1-1/16" diameter (23mm to 28mm), including metal 12SC7, "slim" 5Z4, metal shell 6F6, 6J5, 6R7, 6SJ7, "slim" 6SN7, metal 6V6, 6X5.*
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UltraSonic Rx-25: $26.15 ea. 4 or more: $25.35 ea.
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Fits narrow, straight-sided octal tubes and all tubes approximately 1-1/8" to 1-1/4" diameter (28mm to 32mm), including 12J5/GT, 12SL7/GT, 12SN7/GT, 3CM, 5691, 5692, 5852, "slim" 5AR4 (G.E., Sovtek/Reflektor, T-9 bulb), 5Y3, 5Y3GT, "wide" 5Z4, 6106, 6AH4, 6AU5, 6BL7, 6DN7, 6EA7, 6EM6, 6EM7, 6EW7, straight-sided 6F6G, 6FY7, 6H4GT, "slim" 6L6, 6N8P, 6N9P, 6R7GT (glass T-9 bulb), 6SF5-GT (glass tube), 6SL7, 6SN7, 6SN7GT-series (6SN7GT, 6SN7GTA, 6SN7GTB, 6SN7WGT, 6SN7WGTA), 6V6, 6X5G/GT/WGT, 6Y6, 7355, 7591, C3G, C3M, "narrow" EL34 (E-H, SED "Winged C," Siemens, Svetlana, Telefunken, NOS Tesla), GZ30, PL504, VT-231.*
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UltraSonic Rx-30: $26.36 ea. 4 or more: $25.59 ea.
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Fits standard, straight-sided octals and all tubes approximately 1-5/16" to 1-7/16" diameter (33mm to 36mm), including 5AR4 (Amperex, G.E., Japanese "Mullard" copy, Mullard, JJ, Shuguang), "slim" 6CA7, 6H6, standard 6L6/5881, 6L6B, 6SF5 (metal shell), E34LS, medium-diameter EL34 (Philips, JJ, Mullard), EL34B (Shuguang), GZ34 (GE, JJ, Mullard, Raytheon, RCA), KT77.*
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UltraSonic Rx-35: $26.74 ea. 4 or more: $25.95 ea.
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Fits wide and bottle-shaped octals and all tubes approximately 1-1/2" to 1-5/8" diameter (37mm to 44mm), including 0A3, 0C3, 0D3, 1626, 27, 30, 37, 520B (near bottom of tube), "fat-bottle" 5AR4 (Amperex, Mullard, T-11 bulb), 5AW4, straight-sided 5R4-types, straight-sided 5U4, 5UG-GB (T-12 bulb), 5V3, 5V4, straight-sided 5Y3GB, small-bottle 5Y3GB (Mazda), 5Y4GA, 5Z4P, 6080, "slim" 6550, straight-sided 6AS7, 6BY5/G/GA (straight-sided), 6C6, "Big Bottle" 6CA7 (E-H), 6F8G, 6HB5, bottle-shape 6J5 (ST-12 bulb), 6JN6, 6L6GC (Mazda, JJ, GE, RCA, Sylvania, Tungsol), 6P3P, 7027, 76, 84, 8417, 85, "Fat Bottle" EL34 (Big Bottle), EL509, straight-sided GZ32, KT90, OC3, PL509, VR105.*
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UltraSonic Rx-40: $26.98 ea. 4 or more: $26.19 ea.
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For all tubes approximately 1-3/4" to 2-1/8" diameter (45mm to 54mm), including 1610, 2A3 (RCA, Sylvania, Tung-Sol, Brimar), 26, 274B (Western Electric), 350B, 3D21A, 45 (RCA, Sylvania, Tung-Sol), 572-10, 5998, bulb-shaped 5R4-types, 5R4WGA/B (Tung-Sol), bottle-shape 5U4G, 5V4, 5Z3, standard and wide 6550 (E-H, GE, Philips, RCA, SED, Svetlana, Sylvania, Tung Sol), 6550A, 6550C, bulb-shape 6AS7, 6B4, 6B4G, 6BY5/G/GA (bottle-shape), 6C33C (upper portion of tube), bulb-shape 6F6G, bulb-shape 6L6G, 71A, 80, 807, 811, 814, C327 ("bulb" 27), CX4, bottle-shaped octals like CV181/ECC32, CV378 (Mullard), EL37, bottle-shaped GZ32, GZ33, KT66, KT88 (E-H, EAT, GEC, Gold Lion/Genalex, JJ/Tesla, SED, Shuguang, Sovtek, Svetlana), ST-14 bulb, ST-16 bulb, U52.*
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UltraSonic Rx-50: $27.29 ea. 4 or more: $26.49 ea.
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With extra-heavy gauge titanium C-ring 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, GZ37, SV811-10, T-18 bulb.*
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UltraSonic Rx-55: $34.39 ea. 4 or more: $33.69 ea.
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With extra-heavy gauge titanium C-ring and plenty of flex to accomodate a wide range of tube diameters. Fits giant tubes from 2-3/8" to 3" diameter (60mm to 76mm), including 102B, wide 211 (Sophia, TJ), 274B (Shuguang, Sophia, Valve Art), 2A3-40W (JJ), 2A3 Globe Meshplate (Sophia), 2A3C (Shuguang), 300B (E-H, EML, JJ/Tesla, Sovtek, KR, TJ/Full Music, Western Electric), 300B-XLS (EML, KR), Meshplate 300B (EML, Golden Dragon, TJ, Sophia, Shuguang, Valve Art), 300B Globe Meshplate (Sophia), 520B, EML 5U4G-Mesh & 5Z3-Mesh, 6C33C (wide portion of tube), "wide" 805 (Amperex, Shuguang, TJ), 813, wide 845 (Sophia, Shuguang metal plate, TJ), 845B (Shuguang), GM70, PX25, ST-18 bulb, ST-19 bulb, T-20 bulb.*
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UltraSonic Rx-65: $36.95 ea. 4 or more: $35.89 ea.
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With extra-heavy-gauge titanium C-ring with four isolation pads, UltraSonic 100 thoroughly tames microphonics in super-giant tubes 3-1/2" to 4-5/8" diameter (89mm to 118mm), including 833, KR T-1610 (Kronzilla), and tubes using T-36 bulb.
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UltraSonic Rx-100: $44.49 ea. 4 or more: $42.99 ea.
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| * | Tube
diameters and shapes sometimes vary. To estimate your
tube diameter, just place a wooden or metal ruler
against the side of your tube and "eyeball"
the size – if you align your sight in a straight line to one edge of the tube and then in a straight line to the opposite edge, the measured difference in-between will be very close to the tube's actual diameter. Or measure the circumference and divide by
pi (3.14).
... For tubes that fall in-between UltraSonic sizes, smaller size is the default recommendation (though either size will work). Tube size data indicates "maximum" tube diameter; tubes are often a little smaller than indicated. Titanium C-rings have some flex to them to accommodate variation in bulb diameters and can be bent to somewhat smaller or larger sizes. ... Additional information, including bulb sizes, on most tube types and brands can be found here: ... Frank's Electron Tube Data Sheets ... |
Changing gear? UltraSonic Rx isolation pads can be slid off one titanium C-ring and onto another. If you need a different size than what you have, spare C-rings are available, so you don't have to buy a whole damping instrument to change sizes. Isolation pads are interchangeable among standard sizes (UltraSonic Rx-Mini thru 50), and amongst heavy-gauge sizes (UltraSonic Rx-55 thru 100). UltraSonic Rx isolation pads achieve a full upgrade to "Rx" for standard UltraSonic Damping Instruments.
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Titanium C-Ring Only (no pads)
UltraSonic sizes Mini thru 50
$3.95 to $7.59 ea.
(4 or more, one size: 10% off)
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Extra-Heavy Gauge C-ring
UltraSonic sizes 55, 65, and 100
$15.49 to $18.95 ea.
(4 or more, one size: 10% off)
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UltraSonic Rx Isolation Pad
$7.95 ea.
(12 or more: $7.49 ea.)
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90-day no-risk trial. If not satisfied, simply return any item within 90 days for a complete refund.
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Lifetime warranty. If anything ever goes wrong, simply return any Damping Instrument to Herbie's Audio Lab and it will be repaired or replaced and returned to you at no cost.
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With scant marketing and plain packaging, Herbie's Audio Lab offers low prices, high value!
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