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Products

Power amplifiers
M1.2 Reference
     
description  specs
M2.2
    
description  specs
ML2.2
    
1 description 1 specs
ML3 Signature
    
1 description  1 specs
Preamplifiers
LL2.1 (regular/deluxe)
     description  specs
LL1 Signature
    
description  specs
L2 Reference
    
description  specs
LP1 Signature
    
1 description 1 specs
newLP2.1
              (regular/deluxe)
                phono preamp
     1 description 1 specs

Prices

 

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ALL DESIGNS ARE UNIQUE TO LAMM INDUSTRIES, INC.


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MONAURAL POWER AMPLIFIER

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 MOS-FET 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.

DISCONTINUED MODEL -- REPLACED WITH M1.2 REFERENCE

Manufactured from November 1993 through November 2003

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MONAURAL POWER AMPLIFIER

Pure Class A hybrid amplifier producing 110 Watts into 8 AND 4 Ohms, 400 Watts into 2 Ohms, 600 Watts into 1 Ohm (continuous). Features hybrid vacuum tube/sold-state design with one specially selected 6922 vacuum triode. 12 high speed MOS-FET 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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1 Full description 1 Detailed specifications


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MONAURAL POWER AMPLIFIER

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 MOS-FET 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.

DISCONTINUED MODEL -- REPLACED WITH M2.2

Manufactured from November 1993 through November 2003

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MONAURAL POWER AMPLIFIER

Highly biased class A/AB hybrid amplifier producing 220 Watts into 8 AND 4 Ohms (41 Watts pure class A operation), 700 Watts into 2 Ohms, 900 Watts into 1 Ohm (continuous). Features hybrid vacuum tube/sold-state design with one specially selected 6922 vacuum triode. 12 high speed MOS-FET 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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1 Full description 1 Detailed specifications


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 MONAURAL POWER AMPLIFIER

Push-pull tube amplifier producing 90 Watts continuous into 8/4/2 Ohms. Class A/AB operation. High current low impedance output triodes (6C33C). Meter M1 for measuring mains voltage, bias and balance, Meter M2 for measuring plate current of the output tubes. XLR and RCA input connectors.

DISCONTINUED MODEL -- REPLACED WITH ML1.1

Manufactured from November 1995 through October 2002

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MONAURAL POWER AMPLIFIER

Push-pull tube amplifier producing 90 Watts continuous into 8/4/2 Ohms. Highly biased 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.  XLR and RCA input connectors.

DISCONTINUED MODEL

Manufactured from October 2002 through January 2010

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MONAURAL POWER AMPLIFIER

Single-ended tube amplifier producing 18 Watts continuous into 16/8/4 Ohms. Pure class A operation. Regulated power supply. High current low impedance output triodes (6C33C) in the output stage and in voltage regulator. XLR and RCA input connectors. Multi-turn trimming potentiometers for setting the nominal value of plate voltage and plate current of the output tube.

DISCONTINUED MODEL -- REPLACED WITH ML2.1

Manufactured from April 1998 through May 2004

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MONAURAL POWER AMPLIFIER

Single-ended tube amplifier producing 18 Watts continuous into 16/8/4 Ohms. Pure class A operation. Regulated power supply. High current low impedance output triodes (6C33C) in the output stage and in voltage regulator. XLR and RCA input connectors. Multi-turn trimming potentiometers for setting the nominal value of plate voltage and plate current of the output tube.

DISCONTINUED MODEL -- REPLACED WITH ML2.2

Manufactured from May 2004 hrough December 2010

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MONAURAL POWER AMPLIFIER

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Single-ended tube amplifier producing 18 Watts continuous into 16/8/4 Ohms. Pure class A operation. Regulated power supply. High current low impedance output triodes (6C33C) in the output stage and in the voltage regulator section. XLR (pseudo-balanced) and RCA input connectors. Multi-turn trimming potentiometers for setting the nominal value of plate voltage and plate current of the output tube.  

The input stage has been totally redesigned and is based on the topology developed for the ML3 Signature amplifier.  The result is a perfect fusion between the ML2.1 and ML3 Signature.

1 Full description 1 Detailed specifications 



MONAURAL POWER AMPLIFIER

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Single-ended tube amplifier with a separate power supply producing 32 Watts continuous into 16/8/4 Ohms. Pure class A operation, no overall feedback.  Utilizes a very powerful direct-heated triode GM-70 (125W plate dissipation).  Employs one of the most sophisticated power supplies that have ever been used in building of any audio device.  XLR and RCA input connectors. Multi-turn trimming potentiometer for setting the nominal value of plate current of the output tube.

1 Full description 1 Detailed specifications 


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LINESTAGE PREAMPLIFIER

Full function linestage preamplifier featuring 5 inputs, 2 tape loops with tape-dubbing capability, balanced and single-ended outputs. Class A MOS-FET zero-feedback design, one vacuum tube high-voltage regulator, one solid-state low-voltage analogue non-switching regulator, output muting circuitry, absolute phase switch and remote turn-on/off for LAMM power amplifiers.

DISCONTINUED MODEL

Manufactured from December 1994 through January 2001

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LINESTAGE PREAMPLIFIER

Same quality, new look -- January 2009

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 amplifiers.

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LINE LEVEL TUBE PREAMPLIFIER

Monaural line level vacuum tube preamplifier with a separate power supply featuring a full-wave vacuum rectifier. Three inputs, 1 tape/HT processor loop, single-ended and pseudo-balanced outputs. Attenuation for gain reduction by 12 dB. Pure class A single-stage low-noise design.  Specially selected high-transconductance dual triodes 6N30P-DR/ 6Н30П-ДР (original) in the signal path and TKD stepped potentiometers for volume control.  Two solid-state analog voltage regulators supply dc voltage to the tube filaments (heaters). Built-in remote on/off for LAMM amplifiers. 

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1 Full description 1 Detailed specifications


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LINESTAGE PREAMPLIFIER

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.

DISCONTINUED MODEL -- REPLACED WITH LL2.1

Manufactured from September 1999 through March 2009

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 LINE-LEVEL PREAMPLIFIER

Line level vacuum tube preamplifier with 3 inputs, 1 tape/HT processor loop, 2 sets of single-ended outputs. Attenuation for gain reduction by 15 dB.  Pure 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.  Built-in remote on/off for LAMM amplifiers.  Available in standard and deluxe versions.

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PHONO PREAMPLIFIER

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.

DISCONTINUED MODEL -- REPLACED WITH LP2.1

Manufactured from November 2001 through December 2013


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       PHONO PREAMPLIFIER

Dual monaural pure vacuum tube phono preamplifier with 2 separate inputs for MM and MC cartridges, selector/gain switch.  All amplification stages utilize high transconductance very low noise high-current vacuum triodes.  Pure class A operation.  No loop feedback is employed.  Audibly neutral power supply features a full-wave VACUUM rectifier with a choke-containing filter (two chokes are employed), and one solid-state analogue voltage regulator used as the heater supply.  Tube complement: two-6C3P (6C3П), two-6C45P-E (6C45П-E), one-6X4/6202.  Line voltage: 100/120/220/230/240 V AC, internally switchable.  Available in standard and deluxe versions. 

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11 Full description 1 Detailed specifications


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PHONO PREAMPLIFIER

Dual monaural vacuum tube phono preamplifier with two separate audibly neutral power supplies featuring full-wave vacuum rectifiers, choke contained filters, vacuum tube high-voltage regulators, solid-state low-voltage analogue non-switching regulators used as the heater supplies.  Three separate inputs for MM and MC (two inputs) cartridges.  All amplification stages utilize high transconductance super low noise high-current vacuum triodes.  Pure class A operation.  No loop feedback is employed.  Accurate passive RIAA EQ network.   Tube complement: two-6C3P (6C3П), two-6C45P (6C45П)
(phono preamplifier); four-12AX3/12BE3, two-6C19P (6C19П), two-6AK5, two-5651A (both power supplies).

1 Full description 1 Detailed specifications