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● Sasha Group LAMM Industries Revise Splash page Asana

LL2.1

Line Level Tube Stereo Preamplifier

The Threshold of Excellence in Sound Reproduction

As the next generation of the original LL2 LAMM vacuum tube preamplifiers, a main distinction of the LL2.1 is its almost inaudible sonic signature. When connected to the right LAMM amplifiers, it recreates a three-dimensional soundstage in the comfort of your own home.

LL 2.1 atop a beige pillar against a black background

LL2.1 Regular & Deluxe: Line Level Tube Preamplifier

Design Elements

The LL2.1 features a topology that brings out the most natural sound performance in the audio path, employing a pure class A operation from input to output; all stages are single-ended. The preamplifier’s audibly neutral power supply features a full-wave vacuum rectifier. This rectifier, together with a choke-containing filter, helps reduce the hum and buzz to almost negligible levels and ensures a variety of dynamic range without coloration.  

Other features include 3 inputs; 1 tape loop; 2 sets of outputs; front panel muting switch; attenuator for gain reduction by 15 dB; built-in remote on/off for LAMM power amplifiers; protection circuitry coupled with automatic mute at turn on/off.

LL 2.1 inner workings

Components

Each preamplifier is hand-crafted with the highest quality materials, including military grade  low noise Dale metal film resistors; Noble potentiometers; Electrocube and Roederstein film capacitors; high frequency switching grade Cornell Dubilier electrolytic capacitors; and specially selected long life vacuum tubes. The LL2.1 features a custom-designed power transformer.

The LL2.1 is available in two versions: standard and deluxe, both of which utilize identical chassis, PC-board and parts.

In the deluxe version, the power supply energy storage is approximately twice that of the standard version (four identical light-blue capacitors next to the choke; only two of these are installed in the regular version — see first detail image insert).

Also, in the deluxe version, all film capacitors in critical pathways are situated next to polystyrene capacitors of the highest quality (see: yellow capacitors on two images — right and below).

Features

Technical Specs

Highlighted Specifications

Critic Reviews & Press

Awards

EDS CHOICE LOGO 2017

2017

Editors' Choice Award

The Absolute Sound!
EDS CHOICE LOGO 2016

2016

Editors' Choice Award

The Absolute Sound!
TAS EC 2015

2015

Editors' Choice Award

The Absolute Sound!
TAS EDS CHOICE 2014

2014

Editors' Choice Award

The Absolute Sound!
fedelta EC2013

2013

Fedelta del Suono
TAS EC 2013 logo

2013

Editors' Choice Award

The Absolute Sound!
TAS EC 2012 logo

2012

Editors' Choice Award

The Absolute Sound!
Reviewer Choice logo 1

2011

Reviewers' Choice

Soundstage! Magazine
sphile RC thumb

2011-2013

Class A

Stereophile
TAS EdChoice2010 red

2011

Editors' Choice Award

The Absolute Sound!
Award Icon

2010

Editors' Choice Award

The Absolute Sound!
Reviewer Choice logo 1

2009

Reviewers' Choice

Soundstage! Magazine

Service & Support

Complementary Equipment

Compatible Discontinued Products:

M1.1 or M2.1 or ML2 or ML2.1

Only one of the above products is required for a system

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