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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 | |
Guitar Amp UltraSonic: the world's finest guitar amp tube damper
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Guitar amplifiers, especially combo amps, are torture chambers to vacuum tube microphonics. Herbie's Guitar Amp UltraSonic Damping Instruments feature extra-soft, extra-beefy isolation pads for extra vibration control. Guitar Amp UltraSonics eliminate tube rattle, tube whistling, and microphonic oscillation that are sometimes too severe for standard UltraSonics to handle.
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These are superb damping instruments also for home audio, delivering pinpoint imaging and detail, outstanding transparency and sense of "air," and highly punctual dynamics.
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For use up to 482°.F (250°.C); scroll down for size listings.
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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, 12FK6, 12FM6, 12X4, 3S4, 408A, 5651, 6186, 6AK5, 6AN4, 6AU6, 6BH6, 6C4, 6ER5, 6FG5, 6GK5, 6J6, 6N4, 6X4, miniature 6Z4, 7543, EC90, SBA6.
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$16.25 ea.
4 or more: $15.44 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, 6FQ7, 6GC7, 6GH8(A), 6H30, 6GU7, 6N1P, 6N3P, 6N6(P), 6P1T, 6U8(A), 6V4, 7025, 7044, 7062, 7119/E182CC, 7189, 7199, 7308, 7788, 8416, EC86, ECC189, ECC81, ECC82, ECC83, ECC85, ECC86, ECC99, EF86, EL84, EL86, EZ80, EZ81, PCL82, PCL86, SV83.
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$16.29 ea.
4 or more: $15.48 ea....
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Fits all tubes approximately 1-1/16" diameter (23mm to 28mm), including metal 12SC7, "slim" 5Z4, metal shell 6F6, 6J5, 6R7, 6SJ7, "slim" 6SN7, metal 6V6.*
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$16.69 ea.
4 or more: $15.86 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, "slim" 5AR4 (G.E.), 5Y3, 5Y3GT, "wide" 5Z4, 6106, 6AH4, 6AU5, 6BL7, 6DN7, 6EA7, 6EM6, 6EM7, 6EW7, straight-sided 6F6G, 6FY7, 6H4GT, "slim" 6L6, 6N8P, 6N9P, 6SF5-GT (glass tube), 6SL7, 6SN7, 6SN7GT-series (6SN7GT, 6SN7GTA, 6SN7GTB, 6SN7WGT, 6SN7WGTA), 6V6, 6X5G/GT/WGT, 6Y6, 7355, C3G, C3M, "narrow" EL34 (E-H, Telefunken, SED "Winged C," Svetlana), GZ30, PL504, VT-231.*
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$16.95 ea.
4 or more: $16.11 ea....
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Fits standard, straight-sided octals and all tubes approximately 1-3/8" diameter (33mm to 36mm), 5AR4 (Amperex, Mullard), "slim" 6CA7, 6H6, bottle-shaped 6J5, standard 6L6/5881, 6L6B, 6R7GT (glass), 6SF5 (metal shell), E34LS, standard EL34 (Philips, JJ, Mullard), GZ34, KT77.*
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$17.49 ea.
4 or more: $16.62 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, "fat-bottle" 5AR4, 5AW4, straight-sided 5R4-types, straight-sided 5U4, 5V3, 5V4, straight-sided 5Y3GB, small-bottle 5Y3GB (Mazda), 5Y4GA, 5Z4P, 6080, "slim" 6550, straight-sided 6AS7, 6C6, 6CA7, 6F8G, 6HB5, bottle-shape 6J5, 6JN6, 6L6GC (Mazda, JJ, GE, Tungsol), 6P3P, 7027, 76, 84, 8417, 85, EL509, straight-sided GZ32, "Fat Bottle" EL34 (Big Bottle), KT90, PL509.*
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$17.65 ea.
4 or more: $16.77 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, RCA, SED, Svetlana, Tung Sol), 6550C, bulb-shape 6AS7, 6B4, 6B4G, 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, EL37, bottle-shaped GZ32, GZ33, KT66, KT88 (E-H, EAT, GEC, Gold Lion/Genalex, JJ/Tesla, SED, Shuguang, Sovtek, Svetlana), U52.*
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$17.95 ea.
4 or more: $17.05 ea....
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For jumbo-size tubes 2-3/16" to 2-5/16" diameter (55mm to 60mm), including 101D/101F, narrow 211 (RCA), 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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$20.85 ea.
4 or more: $19.95 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).
Tubes are listed above by widest diameter of the bulb glass; on some bottle-shaped tubes, a damping instrument can be placed around the "neck" of the tube, where the neck meets the shoulder, allowing use of the next-smaller size damping instrument.
For tubes that fall in-between UltraSonic sizes, smaller size is the default recommendation for straight-sided tubes (though either size will work); for bulb-shaped tubes, larger size is the default recommendation. Titanium C-rings can be bent to a somewhat smaller or larger diameter to accommodate variation in bulb diameters.
Additional information, including bulb sizes, on most tube types and brands can be found here:
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Changing gear? Guitar Amp UltraSonic isolation pads can be easily slid off one titanium C-ring and onto another. All sizes are interchangeable. 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. Guitar Amp UltraSonic Isolation Pads fit all Herbie's titanium C-rings, including extra-heavy gauge UltraSonics.
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90-day no-risk trial. If not satisfied, simply return your Damping Instruments 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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Quantity Discounts –
(In addition to individual-item quantity price breaks!)
..Order Total: ....Discount: Coupon Code:
$249 or more 5% 5
$500 or more 8% 8 ...
With scant marketing and plain packaging, Herbie's Audio Lab offers low prices, high value!
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Herbie's Audio Lab products are precision crafted in the U.S.A. (We ship worldwide.)
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Herbie's Audio Lab • 240 Cloud Crossing •
Cibolo, TX 78108 • U.S.A. • Voice/fax: (210) 658-9439
Steve Herbelin, founder • established August, 2001
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