LA-76 Mojo Module
LA-76 Mojo Module
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Shipping info
Shipping info
New orders will ship in 3-5 business days when in stock.
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Pre-order info
Pre-order info
If you see an "Add to Cart" button then that means we are taking orders with normal lead times, and you can disregard the pre-order process below.
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* These terms apply to Silver Bullet mk2, Chroma, Chroma+, and Mojo Modules.
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Classic 70's Optical Character Compressor
for Silver Bullet mk2
NEW! Accepting pre-orders that will begin shipping 9/13/24.
We intend to make a dedicated Mojo Module host and would love your design input. Take the survey.
Overview
AudioScape and Louder Than Liftoff are proud to announce a collaboration on an expansion module for the Silver Bullet mk2: the LA-76 by AudioScape. AudioScape’s stereo LA-76 is a satisfying fusion of two classic compressors: the LA-4 and the 1176 Rev. F. It features an enhanced LA-4-style optical compressor topology, with updated components and higher slew rates compared to the original. This is coupled with the 1176’s all-discrete, push-pull topology line amp in the output stage–the 1109. This line amp is one of Bill Putnam’s most enduring designs and was utilized both in the 1176 Rev. F and the Cooper Time Cube, as well being available on their own. Everything that was unfavorable in the original LA-4 design is essentially replaced with a more revered classic line amp. This original Mojo Module from Audioscape will bring punch, grit, and character to any track it touches. It's excellent on vocals, bass, guitars, drums, and piano.
Features
- Stereo optical compressor based on classic LA-4 and 1176 Rev. F circuits
- Handcrafted in the USA in Small Batches
- Vactrol gain reduction element
- Variable Ratio sensitivity
- Threshold and Output Gain – adjustable via trimmers to set balance of coloration to compression
- Ratio: 2:1, 4:1, 8:1, 20:1 – selectable by jumper
- 20:1 mode is active with no jumper installed
- Stereo Link – selectable by jumper
- High Quality Silver Can transistors like used in the vintage originals
- Vintage accurate Carbon Film Resistors throughout for maximum mojo
-
Era correct power transistors for the 1109 (2n6716’s)
- Analog expansion module compatible with Silver Bullet mk2
- C-DRV knob on Silver Bullet mk2 controls amount of drive into module
- C-MIX knob on Silver Bullet mk2 blends effected/compressed signal with dry signal
Fully assembled and tested by AudioScape.
Silver Bullet mk2 must be purchased separately. This module may be purchased as an add-on for your Silver Bullet mk2 or chosen as an option when purchasing a new one.
Documentation
MODULAR MOJO FOR SILVER BULLET mk2
A dual-interface analog expansion slot inside the Silver Bullet mk2 accepts stereo Mojo Modules or Colour modules, which allows users to expand and customize the processing of the unit.
There are intuitive controls for drive (C-DRV) and wet/dry mix (C-MIX) on the front panel for the MOJO C expansion slot.
Expand each section to learn more
NERDY DETAILS
PREMIUM COMPONENTS & BUILD QUALITY
We chose every component in our Mojo modules by ear for maximum mojo and its sonic synergy with the rest of the circuit. Our meticulous development process involved both empirical measurement and real-world studio use to validate the design. We also leveraged what we learned designing and building our other products. In this design you will find high end parts from Nichicon, Panasonic, Vishay, Susumu, Wima, and TI. All audio path resistors are 0.5% or 0.1% thin film types for low distortion and noise. Where applicable, some modules features custom American wound transformers and our very own discrete op amp. Our PCBs use high temperature Tg 170 material for long-term reliability. The entire assembly is RoHS compliant (lead free).