LAMM
INDUSTRIES |
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Lamm Industries
is an American company that has been in business since
October, 1993 producing a limited line of very high-quality
products known as some of the best tube and hybrid gear in the
world.
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Sound |
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company sound is natural, musical and consistently excellent
across the entire line of products.
There is something
called the 'Lamm Magic', which, when added to a system, helps
imbue that system with a much needed dose of musicality.
Anyone
who has heard the Wilson Watt/Puppy 7 or Pipedreams or Kharma
or so many other speakers being driven by amp after amp,
sounding cold, harsh, fatiguing... and then heard these same
speakers with Lamm amplifiers - knows that it is not the
speakers that sounded so awful - or perhaps it is that the
Lamm amps sounded so good.
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Portfolio |
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Lamm makes two
hybrid solid-state/vacuum tube amps, two 6C33C tube amps, two
preamplifiers (one tube, one hybrid), and a tube phono
preamplifier.
Every
component in the Lamm line is best-of-class ... an amazing
feat for any line of electronics. The most highly awarded line
in Hi-Fi. |
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History |
| All of the products at
Lamm Industries are designed by Lamm's head-engineer and
president Vladimir Lamm. Vladimir Lamm (changed from Vladimir
Shushurin when he became a citizen) emigrated to the U.S. from
Russia. Vladimir has a
M.S. degree in
Electronics and Solid-State Physics and worked many years in
Russia on his models of the “human hearing mechanism".
More...
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Photo Gallery |
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CES 2003 -
ML2, ML1 and Wilson Watt/Puppy 7
Stereophile Show 2003 - ML1.1 and M2.1,
Pipedreams
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ML1.1
Amplifier |
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Output
Circuit: |
6C33C-B tube based |
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Power
Output: |
80
Watts per channel @ 16 / 8 / 4 Ohms |
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Total
Harmonic Distortion: |
< 2%
to rated power |
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Transient Intermodulation Distortion: |
< 5%
to rated power |
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Bandwidth: |
(-0.3dB) 20 Hz,
20 KHz (80 watts into 8 ohms)
(-3dB) 4 Hz, 82 KHz (1 watt into 8 ohms) |
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Slew
Rate: |
10
Volts / microsecond |
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Input
Impedance: |
41 KOhms shunted
by 470pF |
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Input
Type: |
RCA,
XLR |
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Output
Impedance: |
Typically 1.025
(+0.118/-0.025) Ohms |
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Power
Consumption: |
220
- 300 watts |
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Dimensions: |
8.25" x 16" x 20.375" (HxWxD, excluding binding
posts) |
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Weight: |
70
lbs (shipping weight: 96 lbs) |
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DESCRIPTION |
The
ML1.1 monoblocks are the best push-pull
amplifier based on the 6C33C vacuum tube. In particular
they are a "Push-pull tube amplifier producing 90 Watts
continuous into 8/4/2 Ohms. Highly class A/AB operation.
High current low impedance output triodes
(6C33C-B/6C33C). The idle current and balance of
the output stage can be precisely adjusted and measured
using two analog meters and a set of special multi-turn
trimming potentiometers." |
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RECOMMENDED USAGE |
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AWARDS |
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REVIEWS |
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LINKS |
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OFFICIAL WEBSITE |
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FAQ |
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PRICES |
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M1.2
Monoblock Amplifiers |
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Output
Circuit: |
High-speed MOSFET transistors
6922 vacuum triode in the second stage |
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Power
Output: |
100
Watts into 8 Ohms
(class A operation)
100 Watts into 4 Ohms
(class A operation)
200 Watts into 2 Ohms
(50 Watts class A operation)
300 Watts into 1 Ohm
(25 Watts class A operation) |
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Total
Harmonic Distortion: |
<
0.3% to rated power (< 1% into 2 ohm / 1 ohm) |
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Transient Intermodulation Distortion: |
<
0.5% to rated power (< 1.5% into 2 ohm / 1 ohm) |
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Bandwidth: |
(-3dB) 4 Hz, 150
KHz |
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Slew
Rate: |
32
Volts / microsecond |
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Input
Impedance: |
41 KOhms shunted
by 470pF |
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Input
Type: |
RCA,
RCA inverting, XLR |
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Output
Impedance: |
Typically 0.24
Ohms |
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Power
Consumption: |
300
- 650 watts |
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Dimensions: |
8.25" x 17" x 19.5" (HxWxD, excluding binding posts) |
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Weight: |
64.5
lbs (shipping weight: 91.5 lbs) |
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DESCRIPTION |
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The
ML1.2 monoblocks are the one of the very best
hybrid solid-state / tube amplifiers in the world. In
particular they are a "Pure Class A hybrid amplifier
producing 100 Watts continuous into 8 AND 4 Ohms, 200
Watts continuous into 2 Ohms, 300 Watts continuous into
1 Ohm. Features hybrid vacuum tube/sold-state design
with one specially selected 6922 vacuum triode. 12 high
speed MOSFET output transistors, no overall feedback.
Switch-selectable bias/voltage settings for 8- or 4-Ohm
operation. XLR and RCA inputs; 2 pairs of binding posts.
Remote control: power on/off. |
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RECOMMENDED USAGE |
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AWARDS (M1.1) |
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REVIEWS |
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M1.1
by Clement Perry, Stereotimes |
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LINKS |
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OFFICIAL WEBSITE |
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FAQ |
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PRICES |
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M2.2
Monoblock Amplifiers |
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Output
Circuit: |
High-speed MOSFET transistors
6922 vacuum triode in the second stage |
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Power
Output: |
200
Watts into 8 Ohms
(36 Watts class A operation)
200 Watts into 4 Ohms
(36 Watts class A operation)
400 Watts into 2 Ohms
(18 Watts class A operation)
600 Watts into 1 Ohm
(9 Watts class A operation) |
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Total
Harmonic Distortion: |
<
0.3% to rated power (< 1% into 2 ohm / 1 ohm) |
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Transient Intermodulation Distortion: |
<
0.5% to rated power (< 1.5% into 2 ohm / 1 ohm) |
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Bandwidth: |
(-3dB) 4 Hz, 150
KHz |
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Slew
Rate: |
40
Volts / microsecond |
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Input
Impedance: |
41 KOhms shunted
by 470pF |
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Input
Type: |
RCA,
RCA inverting, XLR |
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Output
Impedance: |
Typically 0.2
Ohms |
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Power
Consumption: |
220
- 950 watts |
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Dimensions: |
8.25" x 17" x 19.5" (HxWxD, excluding binding posts) |
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Weight: |
65
lbs (shipping weight: 92 lbs) |
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DESCRIPTION |
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The
ML2.2 monoblocks are the one of the very best
hybrid solid-state / tube amplifiers in the world. In
particular they are a "Highly biased class A/AB hybrid
amplifier producing 200 Watts continuous into 8 AND 4
Ohms, 400 Watts continuous into 2 Ohms, 600 Watts
continuous into 1 Ohm. Features hybrid vacuum
tube/sold-state design with one specially selected 6922
vacuum triode. 12 high speed MOSFET output transistors,
no overall feedback. Switch-selectable bias/voltage
settings for 8- or 4-Ohm operation. XLR and RCA inputs;
2 pairs of binding posts. Remote control: power on/off." |
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RECOMMENDED USAGE |
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AWARDS |
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REVIEWS |
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LINKS |
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OFFICIAL WEBSITE |
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FAQ |
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PRICES |
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L2
Two box
Preamplifier |
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Total
Harmonic Distortion: |
<0.03% 2 Volts RMS
<1.0% 60 Volts RMS (instrument load, 30 Volts IHF
load) |
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Transient Intermodulation Distortion: |
<0.03% 2 Volts RMS
<1.0% 60 Volts RMS (instrument load, 30 Volts IHF
load) |
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Slew
Rate: |
30
Volts per microsecond |
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Rise
time: |
1.0
microsecond |
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Bandwidth: |
(-0.2dB) 20Hz, 20KHz
(-3dB) 5Hz, 140KHz
(instrument load) |
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Input
Impedance: |
51,000 Ohms |
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Output
Impedance: |
Typically 130 Ohms |
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Output
Buffering: |
N/A |
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Gain: |
5.54
+ 2% or 14.87 + 0.2dB (balanced output) |
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Output
Voltage: |
0.75
Volts RMS |
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Input
Sensitivity: |
135
millivolts RMS + 2% |
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Dimensions: |
4.5"
x 19.0" x 13.875" (HxWxD) (1.375 inches for front
handles.) |
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Weight: |
Preamplifier 15.42 lbs, power supply 19 lbs. |
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DESCRIPTION |
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The
L2 Reference preamplifier is the very best
hybrid solid-state / tube preamplifiers in the world. In
particular they are a "Line-level dual-mono hybrid
preamp with a separate power supply; tube rectifier,
choke contained filter, vacuum tube regulator; TKD
stepped potentiometers for volume control -- the best
available on today's market; built-in remote on/off for
LAMM AUDIO LABORATORY® amplifiers" |
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RECOMMENDED USAGE |
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AWARDS |
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REVIEWS |
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LINKS |
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OFFICIAL WEBSITE |
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FAQ |
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PRICES |
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LL2
Preamplifier |
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Total
Harmonic Distortion: |
<0.03% 2 Volts RMS
<1.0% 30 Volts RMS |
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Transient Intermodulation Distortion: |
<0.03% 2 Volts RMS
<1.0% 30 Volts RMS |
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Slew
Rate: |
41
Volts per microsecond |
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Rise
time: |
1.0
microsecond |
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Bandwidth: |
(+0dB) 20Hz, 20KHz
(-3dB) 1.5Hz, 400KHz |
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Input
Impedance: |
50,000 Ohms +/- 10% |
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Output
Impedance: |
Typically 250 Ohms |
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Output
Buffering: |
N/A |
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Gain: |
7.87+2% or 17.92+0.2dB |
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Output
Voltage: |
1.0
Volts RMS |
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Input
Sensitivity: |
127
millivolts RMS + 2% |
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Dimensions: |
4.5"
x 19.0" x 13.875" (HxWxD) (1.375 inches for front
handles.) |
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Weight: |
20
lbs. |
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DESCRIPTION |
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The
LL2 preamplifier is a "Line level vacuum tube
preamplifier with 3 inputs, 1 tape loop, 2 sets of
single- ended outputs. Class A design, audibly neutral
power supply featuring a full-wave VACUUM rectifier with
a choke-containing filter, and one solid-state
low-voltage analogue non-switching regulator used as the
heater supply. Available in standard and deluxe
versions." |
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RECOMMENDED USAGE |
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AWARDS |
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REVIEWS |
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LL2
by Todd Warnke, Soundstage! |
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LINKS |
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OFFICIAL WEBSITE |
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FAQ |
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PRICES |
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LP2
Phono Preamplifier |
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Tubed |
Yes
(4 x 417A/5842, 6X4/6202) |
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Inputs |
gold plated,
single-ended RCA connectors |
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outputs |
gold plated,
single-ended RCA connectors |
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RIAA
Accuracy |
Better than
+0.0dB / -0.5dB |
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MM Input
Impedance: |
47
KOhms shunted by 200 pF |
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MC Input
Impedance: |
40
Ohms |
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MM Input
Sensitivity: |
1.66
millivolts RMS + 2% |
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MC Input
Sensitivity: |
0.167 millivolts RMS + 2% |
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Top or
Front loading |
Top |
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Dimensions: |
4.5"
x 19.0" x 13.875" (HxWxD) (1.375 inches for front
handles.) |
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Weight |
22
lbs, 41.5 lbs deluxe version |
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DESCRIPTION |
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The
LP2 is a "Dual monaural pure vacuum tube phono
preamplifier with 2 separate inputs for MM and MC
cartridges, selector/gain switch. All amplification
stages utilize legendary high transconductance Western
Electric 417A/5842 vacuum tubes. Single-ended pure class
A high current design. No loop feedback is employed.
Utilizes a very accurate passive RIAA EQ network.
Audibly neutral power supply features a full-wave VACUUM
rectifier with a choke-containing filter (two chokes are
employed), and one solid-state low-voltage analogue
non-switching regulator used as the heater supply.
Available in standard and deluxe versions." |
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RECOMMENDED USAGE |
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AWARDS |
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REVIEWS |
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LINKS |
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OFFICIAL WEBSITE |
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FAQ |
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PRICES |
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C
O
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P
A
R
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O
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ML2.1 |
ML1.1 |
M1.2 |
M2.2 |
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Output Circuit |
6C33C-B tube based |
6C33C-B tube based |
High-speed MOSFET
transistors
6922 vacuum triode in the second stage |
High-speed MOSFET
transistors
6922 vacuum triode in the second stage |
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Power Output: |
18 Watts per
channel @ 16 / 8 / 4 Ohms |
80 Watts per
channel @ 16 / 8 / 4 Ohms |
100 Watts into 8
Ohms
(class A operation)
100 Watts into 4 Ohms
(class A operation)
200 Watts into 2 Ohms
(50 Watts class A operation)
300 Watts into 1 Ohm
(25 Watts class A operation) |
200 Watts into 8
Ohms
(36 Watts class A operation)
200 Watts into 4 Ohms
(36 Watts class A operation)
400 Watts into 2 Ohms
(18 Watts class A operation)
600 Watts into 1 Ohm
(9 Watts class A operation) |
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Total Harmonic
Distortion: |
< 3% to rated power |
< 2% to rated power |
< 0.3% to rated
power (< 1% into 2 ohm / 1 ohm) |
< 0.3% to rated
power (< 1% into 2 ohm / 1 ohm) |
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Transient
Intermodulation Distortion: |
< 8% to rated
power |
< 5% to rated
power |
< 0.5% to rated
power (< 1.5% into 2 ohm / 1 ohm) |
< 0.5% to rated
power (< 1.5% into 2 ohm / 1 ohm) |
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Bandwidth: |
(-0.3dB) 20
Hz, 20 KHz (18 watts into 16 ohms)
(-3dB) 3 Hz, 80 KHz (1 watt into 16 ohms) |
(-0.3dB) 20
Hz, 20 KHz (80 watts into 8 ohms)
(-3dB) 4 Hz, 82 KHz (1 watt into 8 ohms) |
(-3dB) 4
Hz, 150 KHz |
(-3dB) 4
Hz, 150 KHz |
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Slew Rate: |
15 Volts /
microsecond |
10 Volts /
microsecond |
32 Volts /
microsecond |
40 Volts /
microsecond |
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Input Impedance: |
41 KOhms
shunted by 470pF |
41 KOhms
shunted by 470pF |
41 KOhms
shunted by 470pF |
41 KOhms
shunted by 470pF |
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Input Type: |
RCA, XLR |
RCA, XLR |
RCA, RCA
inverting, XLR |
RCA, RCA
inverting, XLR |
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Output Impedance: |
Typically
1.68 (+0.14) Ohms |
Typically
1.025 (+0.118/-0.025) Ohms |
Typically
0.24 Ohms |
Typically
0.2 Ohms |
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Power Consumption: |
300 watts |
220 - 300 watts |
300 - 650 watts |
220 - 950 watts |
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Dimensions: |
8.25" x 16" x
20.375" (HxWxD, excluding binding posts) |
8.25" x 16" x
20.375" (HxWxD, excluding binding posts) |
8.25" x 17" x 19.5"
(HxWxD, excluding binding posts) |
8.25" x 17" x 19.5"
(HxWxD, excluding binding posts) |
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Weight: |
68 lbs (shipping
weight: 94 lbs) |
70 lbs (shipping
weight: 96 lbs) |
64.5 lbs
(shipping weight: 91.5 lbs) |
65 lbs (shipping
weight: 92 lbs) |
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US retail price |
$29,290 (pair) |
$22,690 (pair) |
$19,990 (pair) |
$19,390 (pair) |
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