OTO Machines BAM Space Generator


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OTO Machines Tabletop Reverberator Effects Module

OTO Machines BAM is a stereo reverb processor inspired by late 70s / early 80s digital reverberator units. These units are sought after by sound engineers, producers and musicians for their grainy, warm and musical reverberations.

OTO Machines is passionate about the technology of digital reverberators, especially the old models. OTO listened carefully to all digital reverberators built from 1976 to 1986, studied their architecture and read all available papers (from 1961 to present) about digital reverb design.

They discovered that the musicality of the early digital reverb processors was partly due to the algorithms (the way the processor synthesized a natural reverberation), but also due to their hardware limitations. The audio signal was severely high-cut filtered (10 kHz was standard at that time) because of the limited sample clock. Some units used 12-bit gain stepping converters to achieve a 15-bit resolution and others used the first 16-bit converters. Then the samples were digitally processed through a 16- to 20-bit fixed-point CPU with limited memory.

The algorithms had to be simple but efficient to create the most musical and versatile reverberation from these limitations. And the hardware itself added grain and warmth to the sound.

The technology used in BAM is very close to what was used in the early digital reverberator units: 16-bit converters, 20-bit fixed-point processing, analog filtering and even an input transformer transient simulator. Some of its seven reverb algorithms are influenced by the early structures, while some are brand new.

BAM is a very musical and unique reverb processor in a compact format with MIDI control and 36 user presets. It mixes the sound quality of a vintage reverb processor with the playability of a modern desktop effect.

  • Features
    • Pre-delay up to 500 ms (via PRE DELAY pot) or 1500 ms (via TAP switch)
    • Tap tempo assignable to pre-delay or reverb time
    • 36 user presets
    • Continuous control of the reverb size parameter for fine tuning
    • Chorus parameter can add modulation to the reverberator signal
    • Freeze switch
    • Input gain up to +15 dB with analog clipping
  • Reverb algorithms
    • Room
    • Hall
    • Plate
    • Ambient
    • Chorus
    • Non-Linear
    • Primitive
  • 3 bypass modes
    • Relay: true bypass with reverb trails muted
    • Spillover: electronic bypass with reverb trails preserved
    • Aux: mutes reverb input with control over reverb level
  • Filters
    • Low-cut filter: 20 Hz, 80 Hz, 150 Hz, 250 Hz, 450 Hz
    • Hi-cut filter: 1,8 kHz, 4,5 kHz, 7 kHz, 9 kHz, 15 kHz
  • MIDI
    • MIDI CCs for all knobs and parameters
    • Responds to MIDI Program Change
  • Physical
    • Nice and simple user interface via 16 white LEDs
    • Rugged steel enclosure
    • Neutrik jack connectors
    • Power supply included
    • Dimensions 5.71" × 5.71" × 2.56"
    • Weight 1.68 lbs.
More Information
Manufacturer OTO Machines
Condition New
Included from Manufacturer Power Supply
Effects Reverb
Patches / Programs (36) preset locations
Audio Inputs Dual 1/4" stereo
Audio Outputs Dual 1/4" stereo
Pedal Switches
On-Board Expression Pedal No
Control Connections MIDI in with support for MIDI CC on all parameters and MIDI Program Change
Power Adaptor Included 15 volts DC 0.5 amps, center positive
Width 5.71"
Depth 5.71"
Height 2.56"
Product Weight 1.68 lbs.
Unique Features 16 bit converters
20 bit fixed-point processing
Analog filtering
Input transformer transient simulator

OTO Machines Warranty

BAM is sold with one year full warranty. This warranty covers all malfunctions that may occur from normal use, and does not cover damage due to abuse, faulty connections or operation under other than specified conditions.

Warranty is void when serial number is unreadable, when the device is repaired by unauthorized persons, opened, or tampered with in any way, or if the product was not sold to the end user through an authorized dealer or the OTO Machines website.

This warranty is limited to replacement or repair of the product.

The unit can only be returned for repair after agreement from OTO Machines. Customer covers shipping cost of faulty BAM to OTO Machines and OTO Machines covers shipping cost back to customer.

Standard Shipping

When you place an order with Kraft Music, a confirmation will be sent to you via email, with details of your order, including method of shipping. Once your order leaves our facility, you will receive a shipping confirmation via email, with carrier name and tracking number. Many of the products we sell are shipped in the manufacturer box. These boxes will often have images, model numbers, and other text that indicate the contents inside. If your purchase is a gift, please make proper shipping arrangements or contact us about possible packaging options.

Kraft Music is able to ship to the continental US, HI, AK and PR.

U.S. delivery transit map - call Kraft Music for assistance