Audible Illusions Modulus 3A Factory Reconditioned with MM Phono stage and 6 Month Factory Warranty

Just received this unit from factory

Audible Illusions Modulus M3A with MM Phono Factory Refurbished with 6 Month Factory Warranty. The Preamp is still sealed in its original box, the images of the preamp given are my preamp which is identical. Paypal and shipping fees are extra, request an invoice before paying. Thanks for looking, have a nice day. Shipping is thru Fedex only with insurance and tracking number. Factory Double Boxed.

Specifications:

Serial # M951104

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, back-lit 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.

M3A TECHNICAL SPECIFICATIONS:

GENERAL -

Overall Gain: 58dB at 1kHz

Tube Compliment: 4pcs., 6H23N-EB Valves, 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 wide-band

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 100 kHz measured w 1-1 probe
(50 k Ohms, 100pf load)

Signal to Noise: 90dB below 1.5V rms output wideband

Input Impedance: 50kOhm - all

Output Impedance: Main-1.2 k Ohms, 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.

Reviews:
https://www.stereophile.com/tubepreamps/316/index.html
http://www.audioreview.com/product/amplification/preamplifiers/audible-illusions/modulus-3a.html
https://www.audioasylum.com/reviews/Preamplifier-Tube/Audible-Illusions/Modulus-3A/general/232690.html

Includes:

The Preamplifier comes with:

· Original Factory Double Box and Foam Packaging Inserts

· User Guide and Power Supply

· 1 wrench for the Knobs and top Screws

· 1 spare gold screw for the top plate