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Audio Sutra -- the awakening in Hi-end Audio
With over 30 years of hi-end audio design experiences
the best Bang-for-buck audio gears is here, raise your system performances with reaonable price

Model : PRE-1 (pure tube pre-amplifier with no feedback and no transistors)
Dual hi-grade gold plated RCA inputs and dual gold plated RCA outputs
water-proof and noise-proof volume pot, real solid oak deluxe side panels
all hand-wired with high purity copper , high grade Canada made power transformer
innovative FLEX-TUBE design , no need for bias cal. and no adjustments needed
use 6X5 as tube rectifier, can use either 6SL7 / 6SN7 / 6SU7 / ECC32 / ECC33 / ECC35 as input stage,
can also use either 6L6G / 6V6G / 6F6G / 6Y6G / 6K6G / 6550 / EL34 / KT66 / KT88 / KT90 / KT100 / 5881 / 6CA7 as output stage
fine-tune the sound you want with different tubes combinations to explore the new world of audiophile
2Hz - 100Khz (-3db) frequency response, -85db S/N , very sweet , open and smooth sound with wide and deep sound stage
sonic performance guranatee better than any tube pre-amp built with 6922 / 12AX7 (any price range)
100% hand made in Canada with bang-for-buck price of $999 only
(Design and manufacture by Space-Tech Lab, budget design without lowering of sound quality)
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Model : POWER-1 (50Wrms/ch power amplifier with headphone output)
Very dynamic , rich and punchy sound with natural tonal balance, fine detail with good focus
Frequency response : 2Hz - 100Khz (-3db) , S/N -100db at full power
Hi-grade gold plated RCA inputs and gold plated banana speaker output
waterproof and noise-proof volume pot, solid oak deluxe side panel
innovative FLEX-TUBE design , no need for bias cal. and no adjustments needed
all hand-wired with high purity copper for pure class A single-ended vacuum tube section
can use either 6L6G / 6V6G / 6F6G / 6Y6G / 6K6G / 6550 / EL34 / KT66 / KT88 / KT90 / KT100 / 5881 / 6CA7 as power tube
fine-tune the sound you want with different tubes combinations to explore the new world of audiophile
single-ended tube amplifier sound with good dynamics and tight bass control, rich and punchy
100% hand made in Canada with bang-for-buck price of $1,199 only
(Design and manufacture by Space-Tech Lab, budget design without lowering of sound quality)
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Special promotion offer for the whole set order (PRE-1 and POWER-1)
Limited time offer !! $1,999 only
all products with 1 year free parts and labour warranty
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Contact us for direct order / wholesale info : Sales@AudioSutra.com
or contact one of our distributors for demo / sale :
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