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Hand-crafted in the USA

 

Price increase January 1 - order now!

Dick Olsher of The Absolute Sound concludes in his January 2016 review, "The L3A distills the best attributes of modern tube sound: swift transients, a detailed presentation, and natural yet non-euphonic textures. It is its insistance on the sonic truth that defines it as a true reference line preamp. The L3A's ability to retrieve the music's rythmic drive and drama make it one of the most sonically persuasive line preamps on the market and one of the best I've auditioned over the years at any price."

 

 

Modulus 3B Preamp

$3995 retail - call for our price
Available in black or silver

FREE SHIPPING

The Audible Illusions Modulus 3A, introduced in 1996, was just named one of the 12 (#8) most significant Preamps of all time by The Absolute Sound. "The M3A delivered reference-caliber sound quality at an affordable price...it excelled in transient quality and soundstage transparency; its textural liquidity was also a most satisfying testimonial to a classic tube heritage." Fast forward 16 years to the new and even better M3B. If you love vinyl you won't find a better preamp at or near this price.


Control Functions: Dual-Mono, Left & Right Stepped Attenuator Volume Controls, Tape-Source, Subsonic Filter, Stereo/Mono, Muting, On/Off
Input Selection: CD, DVD, Phono, Tuner, Video, Auxiliary, Tape
Output Selection: Main (2), Tape
Optional: Internal, gold-plated, left & right channel circuit boards for low-output M/C phono cartridges. Mirror-Polished, Nickel-Silver faceplates and control knobs available as a special order.

Features:
Circuit Design is Dual Mono, Class-A, Single-Ended Triode, open-loop.
External Power Supply, housing three separate supplies, prevents unwanted AC-induced distortions.
Main Chassis has five-separate, fully-regulated FET power supplies in addition to separate filament supplies.
Audio Circuit has no Cathode Followers or Buffers.
Standby Soft-Start Circuit prolongs tube life and circuit components.
Automatic-timed muting with tri-color LED.
Control Knobs have low-light, backlit Illumination.
Separate Volume Controls are Precision Stepped Attenuators.
Proprietary gold-plated RCA jacks with Teflon insulators.
All circuit boards are hand-soldered with silver-bearing solder. All polypropylene and polystyrene capacitors are proprietary designs of Audible Illusions.

M3B SPECIFICATIONS
Overall Gain: 58dB at 1kHz
Tube Compliment: 4-6922 or 6H23EB twin-triodes, graded & matched
Weight: 20.5 lbs, 24 lbs (shipping weight)
Dimensions: 19"W x 3.5"H standard rack
Chassis is 17"W x 11"D x 3"H
Power Supply, 6"W x 10"D x 5"H
Muting:45 second warm-up and automatic brown-out protection
Power Requirements: 115-125VAC, 60Hz
45 watt maximum. 6 foot IEC Line Cord, supplied
Optional 100, 220, 230, 240 50-60Hz transformers.

PHONO SECTION
Gain: 28dB at 1kHz
Frequency Response: +/- .25dB of RIAA from 20hz to 20kHz
Signal Phase: Non-Inverting
Signal to Noise: 74dB below a 5mV input wideband
Distortion: Less than .015% at 20 kHz
Input Impedance: 47 kOhms
Phono Overload: 1.2v rms at 1 kHz (100k load)
750mv rms at 1 kHz (IHF load)

HIGH LEVEL SECTION
Gain: 30dB, Tape & S/S Processor 0dB
Frequency Response: Within +/-1 dB
2Hz to 100kHz measured w 1-1 probe
(50 kOhms, 100pf load)
Signal to Noise: 90dB below 1.5V rms output wideband
Input Impedance: 50kOhm - all
Output Impedance: Main-1.2 kOhms, Tape-150 Ohms
Distortion: .10% at 1.5V rms, 20-50 kHz, into 50kOhm load. Less than .12% THD at 1v out into IHF load
Signal Phase: Main Outputs - Inverting
Tape Outputs - Non-Inverting
Maximum Input: 9v rms.

...............

 

new L3A Line Stage Preamp

$3995 retail - call for our price
Available in black or silver

FREE SHIPPING

Need a great Preamp, but not a phono stage? The new L3A is your ticket. Same Audible Illusions quality as the legendary Modulus 3A, now the 3B. The L3A has it all including a remote, and follows the tradition, "simpler is better."

 

Dick Olsher of The Absolute Sound concludes in his January 2016 review, "The L3A distills the best attributes of modern tube sound: swift transients, a detailed presentation, and natural yet non-euphonic textures. It is its insistance on the sonic truth that defines it as a true reference line preamp. The L3A's ability to retrieve the music's rythmic drive and drama make it one of the most sonically persuasive line preamps on the market and one of the best I've auditioned over the years at any price."

Control Functions: Master Stereo Volume, L&R Stepped Attenuator Balance Controls, Source-Tape, External S/S Processor, Mute and Power. Remote selects Stereo Volume Up/Down, Muting.
Input Selection: CD, DVD, Tuner, External Phono, Video, Aux, Tape, External S/S Processor.
Output Selection: Main, Tape, External S/S Processor.
Optional: Brushed Aluminum, Mirror-Finish, and Nickel-Silver.

Features:
Circuit Design is Pure Class-A, Single-Ended Triode, Zero Feedback, Dual-Mono.
Audio Circuit has no Cathode Followers or Buffers.
To prevent unwanted AC-induced distortions, the L3 features an External Power Supply housing three separate supplies and a large-shielded, custom-wound transformer.
In the main chassis, four-separate, fully-regulated FET power supplies drive the audio circuitry in addition to separate filament supplies.
Automatic-timed muting with Tri-Color LED indicator.
Low-light Illumination for Selector Switch and Master Volume Control Knobs.
Standby Mode avoids cold starts and prolongs tube life and circuit components.
Active Tape Output and External S/S Output Buffers are FET regulated, set for unity-gain.
All circuit boards are hand-soldered using the finest silver solder available. All polypropylene and polystyrene film capacitors used are proprietary designs of Audible Illusions. Resistors are precision 1% Holco and Roederstein.
Proprietary gold-plated RCA Jacks with Teflon insulators.
Master stereo volume is laser-trimmed Alps. Balance Controls are Precision Stepped Attenuators.
Handcrafted in the USA.

L3 TECHNICAL SPECIFICATIONS
Gain: 30dB, Tape & S/S Processor 0dB
Distortion: .10% at 1.5V rms, 20-20kHz,
into 50kOhm. Less than .12% at 1V out 20-20kHz into IHF load
Frequency Response: Within +/-1dB
2Hz to 100kHz measured w 1-1 probe/50 kOhms,100pf
Signal to Noise: 90dB below 1.5V rms output wideband
Max Input: 9V rms
Signal Phase: Main Out-Inverting, Tape and S/S Processor-Non Inverting
Input Impedance: 50kOhm - all
Output Impedance: Main-1.2 kOhms Tape, S/S Processor-150 Ohms
Muting: 45 second warm-up and automatic brown-out protection
Tube Compliment: 2-6922, 6H23EB twin-triodes, graded & matched
Power Requirements: 115-125VAC, 60Hz 45 watt maximum. 6 foot IEC Line Cord-Supplied.
Optional 100, 220, 230, 240 50-60Hz transformers.
Dimensions: 19"W x 3.5"H standard rack mount
Chassis is 17"W x 11"D x 3"H
Power Supply, 6"W x 10"D x 5"H
Weight: 19.5 lbs, 24 lbs (shipping wt.)


 

 

For more information on Audible Illusions click here


   

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