Discover a harmonious blend of innovation and classic design with the Buchla & Tiptop Audio Quad Function Generator Model 281t. This modular synthesizer component serves as a faithful tribute to the timeless Buchla 200 Series, now brilliantly adapted for the Eurorack format. Packed with four versatile function generators, the 281t offers a playground for sonic exploration, whether you're crafting delicate envelopes or complex LFO shapes.

Each generator can operate independently or be linked in pairs for more intricate soundscapes. Choose from three operational modes — transient, sustained, and cyclic — to tailor your sonic output to perfection. The quadrature mode, switchable for generator pairs A-B and C-D, introduces an additional layer of depth, shifting functions by 90° to produce rich, evolving textures.

Control is at your fingertips with dedicated knobs for attack and decay, spanning from a brisk 1ms to a drawn-out 10 seconds. Engage the trigger button for manual operation or harness the cycle gate input for automated creativity. With such a comprehensive feature set, the 281t transforms your modular setup into a dynamic canvas of sound.

Key Features:

• Re-creates the original Buchla 281t 200 series module in Eurorack format
• Four function generators with independent or paired operation
• Controls for attack and decay (1ms to 10s)
• Quadrature mode for paired generators (A-B, C-D)
• Three operation modes: transient, sustained, cyclic
• Manual trigger button and cycle gate input
• Power consumption: 160mA (+12V) / 55mA (-12V)
• Size: 28 HP wide, 32 mm deep

Owner's manual

Product specs

FAQs

What does the Buchla & Tiptop Audio Quad Function Generator Model 281t do in a modular synthesizer setup?

The Buchla & Tiptop Audio Model 281t is a quad function generator that provides four independent Attack/Decay (AD) envelope generators, which can be used to shape sound dynamics, create modulation sources, or trigger events within a Eurorack modular synthesizer setup.

Is the Buchla & Tiptop Audio Model 281t compatible with Eurorack systems?

Yes, the Model 281t is designed for Eurorack systems, fitting a 28HP space and requiring a Eurorack case and power supply for operation.

What are the power requirements for the Buchla & Tiptop Audio Model 281t?

The Model 281t requires a +12V/160mA and -12V/55mA power supply, which is typical for Eurorack systems.

Can the Buchla & Tiptop Audio Model 281t be used for cycling functions?

Yes, the Model 281t includes a cycle mode, allowing each function generator to loop continuously, effectively turning it into a low-frequency oscillator (LFO).

How many inputs and outputs does the Buchla & Tiptop Audio Model 281t have?

The Model 281t features 8 CV inputs, 8 CV outputs, 4 trigger inputs, and 4 cycle outputs, providing extensive connectivity for modulation and control within a modular setup.