Access Virus B Desktop, Fully Recapped, All New Tacts, New Display, Power Switch, Battery + PSU
Access Virus B Desktop, Fully Recapped, All New Tacts, New Display, Power Switch, Battery + PSU
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For sale: Access Virus B Desktop digital synthesizer in excellent condition. This unit marks a new era for the shop as it is the first fully recapped Virus B we are releasing into the wild. In addition to a complete main board and panel board recap, we've made several other upgrades to bring this unit as close to like-new condition as possible.
Details below:
All capacitors on the main board and panel board have been replaced with modern equivalents that were carefully selected to match the characteristics of the original caps from 25+ years ago. For additional details on the capacitor selection process, see our Virus B recap kit.
All 30 tact switches have been replaced with high-quality, brand-name tact switches rated for 3 million clicks. They are soft-touch and very close in feel and sound to the original tact switches. See photo 24.
7 rotary potentiometers have been replaced. All remaining pots have been tested and confirmed good. All are smooth and function flawlessly. Resistance is generally the same between the replacement and original pots.
The LCD display has been replaced with a modern display that closely matches the original OEM colors. Backlight bleed has been addressed, so no internal light spill shines through adjacent push buttons.
The power switch has been replaced, eliminating another common failure point on the Virus B desktop series.
Ships with a high-quality 9V 2.0A power supply that provides more reliable operation than the original 12V 1.0A supplies these units originally shipped with. The lower voltage also allows the unit to run noticeably cooler, especially during extended sessions.
The battery has been replaced with an Energizer CR2032 lithium cell. You should not need to replace the battery for ~10 years.
Updated to the latest OS (4.9).
We have cleaned the unit thoroughly inside and out. Even the knobs have been cleaned and look nearly new. No white or greasy buildup like you commonly see on Viruses from this era.
The overall look of this instrument is very clean, but it is not perfect. Please examine all photos carefully, as we have done our best to document the condition.
With all the restoration and maintenance work done, this beautiful B is well prepared for its next life.
Sale includes the synth, high-quality power supply, and free shipping to the continental US.
- Guaranteed as described or your money-back.
- Need it faster? Request 2nd-day or overnight.
- Questions? Email or chat with us anytime.
No sales tax collected on orders outside Texas. A signature is required for delivery. We ship via UPS, FedEx, and USPS. Email us before or after checkout if you have a preference.
All sales final except for damage or loss. Shipping issues are rare. We take great care to ensure your items arrive as described. See our Refund Policy and Shipping Policy for more details.
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We strive for accuracy, but errors can occur. Please verify details or contact us with questions.
- Synthesis Type: Virtual-analog subtractive (single-DSP engine)
- Polyphony: Up to 24 voices (actual count varies with patch complexity and effects)
- Multitimbrality: 16 independent parts
- Oscillators: 2 main + sub per voice, optional 3rd oscillator
- Saw, pulse (PWM), sine, triangle; plus 64 spectral waveforms
- Features: oscillator sync, ring modulation, and FM (up to 5 modes)
- Filters: Dual multimode per voice
- Low-pass, high-pass, band-pass, and band-reject modes
- 12 dB or 24 dB slopes; serial, parallel, or split routing
- Saturation/drive stage for analog-style warmth
- Effects & Processing:
- Per-part: chorus/flanger, phaser, distortion, ring mod, Analog Boost
- Global: delay and reverb (both MIDI-syncable)
- Vocoder: up to 32 bands with carrier/modulator routing
- Modulation:
- 3 LFOs per voice (multiple waveforms, all MIDI-syncable)
- 2 ADSTR envelopes (filter and amplifier)
- 3 modulation slots, each with one source and two destinations (6 routings total)
- Arpeggiator: One per part (16 total) with tempo sync, swing, and gate control
- Memory: 1024 single programs (256 User + 768 ROM) and 128 Multi programs
- Controls & Interface:
- 32 knobs, 30 buttons, 62 status LEDs
- Green backlit display for clear visibility
- Connectivity:
- MIDI In/Out/Thru (5-pin DIN)
- 6 analog outputs (1/4"), 2 analog inputs for external audio processing
- Headphone output
- Physical Design: Black metal chassis with wood end panels; desktop or rack-mount form; approx. 470 × 185 × 75 mm; ~2.85 kg

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We've restored and sold hundreds of synths. Whether you need buying advice, details on this unit, or have other questions, we're happy to help. Email us anytime.
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