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Audio Space Reference 2S is our favorite under $5k tube preamplifier. The 2S preamp is the baby brother to the Reference 2
that was Editors Choice in The Absolute Sound. The Reference 2 was the
first Chinese branded product to receive the award.
Reference 2S version is 90% as good for a fraction of the Ref 2's
$9900.00 price tag. It is sonically adjustable to match almost any speaker/amp combo you have.
. Rugged stainless steel chassis
. High quality EI transformer and components
. Innovative tube circuitry with choke coil
. Either 300B or 2A3 tube can be used
. Can be fine tuned with different regulator tubes
. Dual outputs (cathode follower and anode direct)
. Full remote control
. Switching between high and low negative feedback
The Ref 2S preamp review in 6moons is a rave. They summed up with:
this the preamp for you? If you are partial to tubes and don't need a
balanced circuit or integral phono stage, it's well worth considering.
If you desire the flexibility to custom-tailor the sound, your degree of
option here is unprecedented. If you've had your eye on the bigger
Reference 2 and found its sound appealing but the price tag out of
reach, this new model will be very tempting. If you like your sound
bold, three-dimensional and visceral, it's a strong performer."
built like a 40lb tank and build quality is top notch. The sound
quality approaches the company's own best work at a fraction of the
cost. If Audio Space is unfamiliar to you, it would make a very
worthwhile detour to give the Reference 2S a listen. All in all, it's a
preamp that merits serious consideration. I took my own advice and that
of my wife and we acquired the review sample for our system. Our days
without a dedicated preamp are no more."
Read the entire review at:
are excellent and build quality is second to none. Circuitry is unique
to Audio Space and not simple cookie cutter designs like most other
These preamps are just superb, especially for
the money. They sound is close to top-of-line Reference 2, except that
the Ref-2s has no phono stage or balance control. The 2S is however very
flexible sonically as the EL34 regulator tube can be exchanged with a
6L6 or 6550. The 300B tubes can be replaced with 2A3's for a little bit
more bass output.
Midrange is magic and the frequency extremes are amazingly good.
Output Level: 2 - 20V P-P Max.
Output Impedance 1: 86dB
Channel Balance: 60dB (1kHz - 3.3kHz)
Vacuum Tubes: 1 x EL34
4 x 6N9P (6SL7)
2 x 300B
Dimensions (W x H x D): 372 x 372 x 215 mm
Net Weight: 45 pounds
If you are looking for a superb preamp that won't bust the bank call me to discuss this beauty.
Read our over 12,900 points of AudiogoN #1 rated feedback and buy with confidence.
We accept PayPal, AMEX, Visa, Discover, MasterCard & money orders. No charge for credit cards.
Call 770-667-5633 with questions or to order this fine preamplifier.Brands carried:
Acoustic Zen, April Music, Audio Space tube electronics, Audeze headphones,Auralic streaming devices & DAC's, Bob Carver tube amplifiers & Loudspeakers, Burson Audio, Core Power Technologies, Creek, DSPeaker room correction, EAT turntables, ELAC speakers, Emerald Physics loudspeakers, amps
& Digital crossovers, Epos, Focal headphones, Gallo speakers, Graham Slee, HifiMan headphones, Iso-Acoustics, Jolida tube electronics, LSA speakers, Lehmann phono stages, Marantz Reference, Micromega, Mofi turntables, MrSpeakers headphones, Musical Fidelity, Music Hall, Muso by Naim, Ortofon cartridges, Outlaw Audio, Peachtree Audio,
Project turntables, PS Audio, Quad, Scansonic speakers, Silverline Audio, Spread Spectrum Ampzilla amps & preamps, Sumiko cartridges, Sweet Vinyl pop & click filters, Syzygy wireless subs with room correction, TriangleArt turntables, Wireworld & Wywires cables
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Sales policies on the Underwood Hifi Inc. website at www.underwoodhifi.com