- Revived Buchla Dual Oscillator 258 in Eurorack format
- Each oscillator contains mirrored jacks and controls with only one difference between them: the waveshape control
- OSC 1’s waveshape moves from sine to saw, while OSC 2’s waveshape moves from sine to square
- Tini-jax and bananas have been replaced with 3.5mm Eurorack standard jacks
- Waveshape controls feature an input for modulation
- Processing attenuverter for extra scaling, inverting, and expansion of pitch
- Coarse and fine tune controls sweep the oscillator frequencies range from 5Hz to 20kHz with original “cps” and “kc” description
- 1V/Oct tracked pitch input
Tiptop Audio Buchla Model 258t
Dual Oscillator Model 258t
€ 198,00For European customers, please select your country to view the correct price including vat
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- Revived Buchla Dual Oscillator 258 in Eurorack format
- Each oscillator contains mirrored jacks and controls with only one difference between them: the waveshape control
- OSC 1’s waveshape moves from sine to saw, while OSC 2’s waveshape moves from sine to square
- Tini-jax and bananas have been replaced with 3.5mm Eurorack standard jacks
- Waveshape controls feature an input for modulation
- Processing attenuverter for extra scaling, inverting, and expansion of pitch
- Coarse and fine tune controls sweep the oscillator frequencies range from 5Hz to 20kHz with original “cps” and “kc” description
- 1V/Oct tracked pitch input
Tiptop Audio Buchla Model 258t
Dual Oscillator Model 258t
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.
TRIMMERS:
There are three trimmers for each oscillator on the back of the module:
- 1V/oct is the octave tracking trimmer and is set at the factory using high precision instruments.
- SHAPE is the trimmer that set the sine wave, for the lower harmonic content of the sine wave.
- VC WAVE SHAPE sets the response of the waveshaper to the incoming control voltage. Both SHAPE and VC WAVE SHAPE
trimmers are used to adjust the sine wave purity.
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.
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.
Depth | 45 mm |
---|---|
Width |
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