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Tiptop Audio Buchla Model 258t Dual Oscillator

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$199.00

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Welcome to the Buchla & Tiptop Audio 200 series project. In this project Buchla has teamed up with Tiptop Audio to resume the production of Don Buchla’s 200 series and convert it to Eurorack standards. These extremely rare pieces of equipment made almost half a century ago will once again be available, and this time to a wide audience.

The Buchla 258t Dual Oscillator consists of two independent voltage-controlled oscillators. Each has one processing input, a frequency modulation input and a 1V/oct input. Waveshapes, as well as frequency, can be voltage controlled. Model 258 oscillators feature low sine wave harmonic content, negligible settling error, and high short and long-term stability, even with rapidly changing ambient temperatures.

Welcome to the Buchla & Tiptop Audio 200 series project. In this project Buchla has teamed up with Tiptop Audio to resume the production of Don Buchla’s 200 series and...

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1V/Oct input: Control Voltage input for 1V/oct note tracking.
Waveshape control input: Waveshapes can be varied from sine to saw (OSC 1) and sine to square (OSC 2). Voltage control of waveshape enables powerful dynamic control of timbre.
Oscillator frequency control: Spans the audio spectrum of 5 Hz to 20 kHz with no range switching.
Processing input: The processing control attenuverter input permits control of pitch scaling/inversion/expansion without the need for a separate external processor.
Frequency modulation control: For adjusting vibrato depth or creating clangorous or bell-like tones, rich in non-harmonic upper partials.
Processing control: Used to set desired range of incoming control voltage for expansion, compression and inversion.

Width: 18HP

Max Depth: 45mm

Power: 70mA @+12V , 40mA @-12V , 0mA @+5V

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