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High End Amplifiers
About AmplifiersThe power amplifier has the challenging task of taking the audio signal that comes in and muscling your speaker into reproducing it at whatever volume your heart desires. Ultimately, it is responsible for making sure that the speaker drivers move about their business as quickly and accurately as possible, all while not introducing any distortion. Whether your cup of tea is solid state or tubes, we have a variety of superb-sounding amplifiers to complement your system.
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| Arcam Solo Series |
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| Arcam Diva Series Amplifiers |
| Arcam AVR280 surround sound receiver. $1,999. |
| Arcam AVR350 surround sound receiver. $2,749. |
| Arcam A70 integrated amplifier. $799. |
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| Arcam P1000 7-channel x 135 watt power amplifier. $2,499. |
| Arcam FMJ Series Amplifiers |
| Arcam A18 integrated amplifier. $999. |
| Arcam A28 integrated amplifier. $1,599. |
| Arcam A38 integrated amplifier (phono is add-in option). $2,299. Phono option. $199. |
| Arcam P38 stereo power amplifier. $1,499. |
| Arcam P7 7-channel power amplifier. $5,399. |
| Arcam P1 monoblock power amplifier. $1,999/channel. |
Audio Research is
the oldest high end electronics company that still produces true
high end components—and many feel that they founded the modern
high end era. They have been famous around the world for
their tube designs—and the VT-100 Mk III is the first of the new
affordable high end tube designs from Audio Research. Along with
the VT-50, VT-200 Mk II and the newest VT-200M, there is now a
range of high value tube amplifiers to fit different budgets and
power requirements.
For those lucky few for whom price is no object, the REF600 Mk II Mono Reference Power Amplifier is available. It has enough power to drive any conceivable speaker system and is obviously designed and built to an absolutely cost-no-object level. Also, a 300 watt per channel version, the REF300 Mk II (pictured at left) is now available which is a "best buy" in ultra-high end tube amplification—as most systems would never need more power than what this has to offer.
Audio Research also makes digital components, preamplifiers, and cables.
| Audio Research Tube Integrated Amplifier |
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| Audio Research VSi55 tube 50 watt/channel integrated amplifier with remote control (natural, black). $3,495. |
| Audio Research Tube Amplifiers |
| Audio Research VS55 tube 50 watt/channel stereo power amplifier (natural, black). $2,995. |
| Audio Research VS115 120W tube stereo power amplifier (natural, black). $6495. |
| Audio Research HD220 hybrid 220 watt/channel stereo power amplifier mono (natural, black). $8,995. |
| Audio Research REF110 VT 110 watt/channel power amplifier stereo (natural, black). $9,995. |
| Audio Research REF210 VT 210 watt/channel power amplifier mono (natural, black). $9,995 each. |
| Audio Research REF610T VT 600 watt/channel power amplifier mono (natural, black). $19,995 each. |
| Audio Research Solid State Amplifiers |
| Audio Research SD135 135 solid state stereo power amplifier (natural, black). $4995 + shipping. |
| Audio Research Multi-channel Amplifiers |
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Boulder also
makes digital components, pre-amplifiers, and surround sound processor.
Boulder amplifiers have immense power reserves, terrific dynamics, bass power galore―and yet are sweet sounding and delicate. The 300 watt / channel stereo Boulder 1060 is pictured at the left.
| Boulder 800 Series Amplifiers |
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| Boulder 865 integrated amplifier. $12,000. |
| Boulder 860 stereo amplifier. $8,500. |
| Boulder 850 mono amplifier. $11,000/pair |
| Boulder 1000 Series Amplifiers |
| Boulder 1060 stereo amplifier. 300 w/channel. $24,000. |
| Boulder 1050 monoblock amplifier. 500 w/channel. $42,000/pair. |
| Boulder 2000 Series Amplifiers |
| Boulder 2060 stereo amplifier. 600 w/channel. $44,000. |
| Boulder 2050 monoblock amplifiers. 1000 w/channel. $83,000/pair. |
Halcro also
makes digital components, pre-amplifiers,
amplifiers and surround sound processors. The
dm68 is pictured at the left.
| Halcro Reference Series Amplifiers |
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| Halcro dm88 270 watt monoblock amplifier. $44,990/pair. |
| Halcro dm78 225 watt monoblock amplifier. $37,990/pair. |
| Halcro dm38 180 watt/channel stereo amplifier. $22,990. |
| Halcro Logic-Series Home Theater Amplifiers |
| Halcro MC-20 400 watt x 2 channel amplifier. $4990. |
| Halcro MC-30 400 watt x 3 channel amplifier. $5390. |
| Halcro MC-50 350 watt x 5 channel amplifier. $6490. |
| Halcro MC-70 350 watt x 7 channel amplifier. $7490. |
Linn
makes three ranges of products: high performance audio/video products, including
speakers, custom installation products which allow house-wide music, and one-box
music or movie components.. Within these ranges, Linn makes phono
components, digital components, preamplifiers,
amplifiers, speakers, surround
sound processors, cables, and tuners.
The Linn 2250 amplifier is pictured at the left.
| Linn Classik Stereo and Surround Receivers |
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| Linn Power Amplifiers |
| Linn C 2200 two channel two hundred watt power amplifier. Black or silver. $4,430. |
| Linn C 3200 three channel two hundred watt power amplifier. Black or silver. $5,440. |
| Linn C 4200 four channel two hundred watt power amplifier. Black or silver. $6,450. |
| Linn C 3100 three channel one hundred watt power amplifier. Black or silver. $3,080. |
| Linn C 4100 four channel one hundred watt power amplifier. Black or silver. $3,470. |
| Linn C 5100 five channel one hundred watt power amplifier. Black or silver. $3,850. |
| Linn C 6100 six channel one hundred watt power amplifier. Black or silver. $4,240. |
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| Linn Majik 2100 two channel one hundred watt power amplifer. Black or silver. $2,350. |
| Linn Active Crossovers and Accessories |
| Linn Aktiv Modules. Stereo or Twin mono Aktiv crossover upgrade (Treble, Mid, Bass). $160.-$320 each |
| Linn Artikulat TuneBox ATKIV Crossover for Artikulat Loudspeakers in Klimax design. $7,700. |
| Linn Komri TuneBox ATKIV Crossover for Komri Loudspeakers in Klimax design. $9,000. |
Musical
Fidelity makes turntables, digital
components, preamplifiers, amplifiers, and tuners.
The A3.5 integrated amplifier are pictured at the left.
| Musical Fidelity A Series |
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| Musical Fidelity A3.5 Integrated 125 watt/channel integrated amplifier. $1,700 |
| Musical Fidelity A5 Integrated 250 watt/channel integrated amplifier. $3,000. |
| Musical Fidelity A5CR Amplifier 300 watt/channel power amplifier. $3,000. |
| Musical Fidelity Kilo-Watt Series |
| Musical Fidelity kW750 750 watt/channel power amplifier. $10,000. |
Nagra
makes digital components, pre-amplifiers, and
amplifiers. The Nagra MPA power amplifier with RCMI preamp module is pictured at the left.
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| Nagra Amplifiers |
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| Nagra PSA pyramid stereo power amplifier. $7,295. |
| Nagra PMA pyramid mono power amplifier. $12,295/pair. |
| Nagra VPA mono tube power amplifier with Tube Protectors and Standard Tubes. $19,995/Pr |
Naim makes digital components, preamplifiers, amplifiers, and tuners.
They also feature their very attractive multi-room solution which is termed their NaimNet IP-based system.

The Naim NAIT 5i-2 integrated amp is pictured above.
| Naim Integrated Amps |
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| NAIT5i-2 00-004-0050 Four input integrated amplifier with iPod jack, 50 W / channel. $1,450. |
| NAIT XS integrated amplifier 60W / channel |
| SUPERNAIT 00-004-0038 Six input integrated amplifier with digital inputs, 80 W / channel. $4,450. |
| Naim Power Amps |
| NAP150x 00-001-0037 50 W / channel stereo power amplifier. $1,650. |
| NAPV175 00-001-0034 50 W x 3-channel AV power amplifier. $2,800. |
| NAP200 00-001-0013 70 W / channel stereo power amplifier. $2,950. |
| NAPV145 00-001-0030 80 W mono AV power amplifier. $4,050. |
| NAP250-2 00-001-0020 80 W / channel stereo power amplifier. $5,000. |
| NAP300 + 300PS 50-001-0002 90 W / channel dual-mono fan-cooled power amplifier with external supply. $10,750. |
| NAP500 + 500PS 50-001-0001 150 W / channel dual-mono fan-cooled reference power amplifier with 500PS external supply. $26,750. |
| NaimNet Room Amps |
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| Naim NNP02 NaimNet-enabled 90W stereo network room amplifier. $2,650 info |
| Naim NNP01 NaimNet-enabled 110W stereo network room amplifier. $4,950 info |
Parasound
makes tuners, pre-amplifiers,
surround-sound processors, and
amplifiers. The Parasound Model 5125
amplifier is pictured at the left.
| Parasound Stereo Amplifiers |
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| Parasound Zamp v3 45 watt/channel stereo amplifier. $300. |
| Parasound Model 275 watt/channel stereo amplifier. $550. |
| Parasound Model 2125 125 watt/channel stereo amplifier. $775. |
| Parasound Model 2250 250 watt/channel stereo amplifier. |
| Parasound A23 125 watt/channel stereo amplifier. |
| Parasound A21 250 watt/channel stereo amplifier. |
| Parasound Halo JC-1 400 watt/channel mono amplifier. $6000/Pr. |
| Parasound Multi Channel Amplifiers |
| Parasound Model 5125 5 channel x 125 watt amplifier. $2,000. |
| Parasound Model 5250 5 channel x 250 watt amplifier. $2,750. |
| Parasound A51 5 channel x 250 watt amplifier. |
| Parasound A52 5 channel x 125 watt amplifier. |
| Parasound Model 5250 5 channel x 250 watt amplifier. $2,750. |
Quad
makes digital
components, pre-amplifiers, amplifiers. speakers,
and tuners,
The 909 power amplifier is pictured at the left.
| Quad Solid State Amplifiers |
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| Quad 99 90 watt/channel stereo power amplifier. $800. |
| Quad 99 150 watt mono power amplifier. $900. |
| Quad 909 140 watt/channel stereo power amplifier. $1,350. |
| Quad Tube Amplifiers |
| Quad II-forty 40 watt mono power amplifier. $1,800. |
Simaudio makes the Moon line of electronics.
Simaudio also makes digital components, pre-amplifiers, amplifiers, surround processors, tuners, and power conditioners.
| Simaudio Moon Audio Classic Series Power Amplifiers |
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| Moon W-5.3 150 w/channel dual mono amplifier. $5,800. |
| Moon i-5.3 85 watt high performance integrated amplifier. $3,900. |
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Moon i3.3DPX 100W integrated amp, 24/192 DAC w/USB
+ 3 digital in, MC/MM Phono, balanced inputs, RS-232, IR, 12V trigger,
remote.
$4,000. Moon i3.3 100W integrated amp (Basic i3.3, without any of the options below). $3,300 Options for i3.3 added at time of order: "D" 24-bit/192kHz DAC, add: $400. "P" MC/MM configurable phono card, add: $300. "X" Balanced (XLR) inputs + circuitry, add: $200. N.B. If options are added later, refer to Upgrades Price List. |
| Moon i-1 50Wpc, system remote control, preamp out, headphone jack, RS-232, IR-input, SimLink. $1,700 |
| Moon i-.5 (Point-Five)
40Wpc, system remote, lower power version of i-1.
$1200.
[lower power version of i-1without RS-232/IR/SimLink] |
| Simaudio Moon Evolution Series Amplifiers |
| Evolution MC-8/7 (220-240V only) Power Amplifier, 7 x 250W, RS-232 + 12V. $20,000 |
| Evolution MC-8/6 (220-240V only) Power Amplifier, 6 x 250W, RS-232 + 12V. $19,000 |
| Evolution MC-8/5 (220-240V only) Power Amplifier, 5 x 250W, RS-232 + 12V. $18,000 |
| Evolution MC-8/4 (220-240V only) Power Amplifier, 4 x 250W, RS-232 + 12V. $17,000 |
| Evolution MC-8/3 (220-240V only) Power Amplifier, 3 x 250W, RS-232 + 12V. $16,000 |
| Evolution MC-8/2 (220-240V only) Power Amplifier, 2 x 250W, RS-232 + 12V. $15,000 |
| Moon W-8 250 watt, fully balanced dual-mono stereo amplifier. $13,500. |
| Moon W-7 150 watt, fully balanced dual-mono stereo amplifier. $8,900. |
| Moon W-7M 500 watt, fully balanced mono block amplifier. $10,000. |
| Moon i-7 Reference integrated amp. 150 watt, fully balanced dual-mono. $6,900. |
| Simaudio Moon A/V multi-channel amplifiers |
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Soulution
makes digital
components, pre-amplifiers, amplifiers.
A pair of Soulution 700 mono power amplifiers are pictured at the left.
| Soulution Solid State Power Amplifiers |
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| Soulution 710 - 120 watt stereo power amp. $45,000. |
| Soulution 700 - 430 watt (or (2 x 110 watt in bi-amp mode) mono power amplifier. $115,000. |
Spectral
Audio makes
wide bandwidth, extremely fast, high resolution amplifiers. Their
amplifiers use many smaller power supplies, rather than one big
one. This locates a power supply (capacitors, rectifiers,
regulators, and secondary windings) closer to each FET output
device. Spectral amplifiers have a very transparent sound, with
excellent settling (the ability of the amplifier to stop the
speaker after a transient).
Note: Whereas other Spectral Audio components (i.e. their preamplifiers and digital source components) may be used with any other brand of equipment, Spectral mandates that their non-Universal amplifiers be driven by a Spectral preamplifier to ensure reliable operation. Spectral Universal amplifiers however may be driven directly by any brand of preamp, D-A, or surround sound processor. In addition, Spectral amplifiers need to be used in conjunction with the proper Spectral-approved MIT interconnects and speaker cables. These usage guidelines are now a condition of Spectral's warranty on their amplifiers. There are several reasons for these guidelines:
- Because of their wide bandwidth, Spectral amplifiers can amplify high frequency signals in the MHz range at massive power levels. Therefore radio frequency noise must be kept out of the amplifier. The MIT interconnects contain RF protection, and Spectral preamplifiers are stable at these high frequencies.
- Unlike most all solid state preamps, Spectral preamplifiers are true discrete designs, are DC coupled, and can output the high current that the (non-Universal) Spectral power amps are designed to be driven by. Other brands of preamplifiers often use integrated circuits or other devices which will probably not be able to drive the amplifier properly.
- As part of their stability design, Spectral amplifiers use an output network found in the proper MIT speaker cables. (Spectral has found that by placing this network close to the load, i.e. the speaker, they can achieve superior results.)
What will happen if you don't follow these guidelines? Well, it's a probability thing. You may not encounter any problems—or you may encounter premature failure of some components in the amplifier. Or (worst case) your amplifier may suffer severe RF problems, and you will have to pay to have all the output devices replaced (which is expensive). Therefore, we highly recommend that you follow Spectral's warranty and operational guidelines. If you have further questions, please don't hesitate to call us as 781-893-9000.
So why would anybody bother using an amplifier that needs such precise conditions to be operated properly? Because for music lovers who value linearity—i.e. who truly wish to hear what the musicians played in an acoustic space on a recording—Spectral offers an incredibly transparent window on recorded musical events. And for the many satisfied Spectral clients, nothing else meets their demanding criteria for emotional involvement with the music.
Spectral also makes digital components and pre-amplifiers.
Pricing on Spectral products is available by contacting us directly.
| Spectral Power Amplifiers (which require being used with a Spectral preamplifier and certain specified models of MIT Spectral speaker cables) |
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| Spectral Universal Power Amplifiers. |
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Theta
makes digital components, surround sound processors, and
amplifiers. The Theta Dreadnaught III is available in black or silver
(pictured at the left). You can find owner's manuals in pdf format
here.
| Theta Power Amplifiers. |
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