NT$ 17,800
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Rossum Electro-Music EVOLUTION Variable Character Ladder Filter
Rossum Electro-Music EVOLUTION 是一款 Eurorack 模組 Filter，核心是 Dave Rossum 對經典 Moog ladder filter 的延伸設計，源自最初 E-mu Systems 2100 LPF 模組。
At the core of the EVOLUTION Variable Character Ladder Filter is Dave Rossum’s enhancement of the iconic Moog ladder filter from the original E-mu Systems 2100 LPF module (which, incidentally, Dave counts as his favorite sounding of all of the analog filters he designed).
For EVOLUTION, Dave has designed new capabilities that not only allow you to dial in all of the outstanding qualities of the original 2100, but combine to let you create the sonic characteristics of a wide variety of other filter types.
They include:
- A Genus control that allows continuous voltage control of the number of filter poles (from 3 to 6 poles), essentially allowing real-time variation of Evolution’s effective cutoff slope from 18dB/oct to 36dB/oct. LEDs give continuous indication of the current slope.
- A Species control that lets you vary the signal level into the ladder, letting you control the intensity of the filter’s characteristic distortion. When in self-oscillation mode, this control modulates the amplitude of Evolution’s output.
- Voltage controlled resonance with a variable Q Level Compensation control that controls the balance of the resonant peak and the frequencies below the cutoff frequency (which would otherwise be attenuated as the resonance is increased).
- An extremely accurate and temperature-stable frequency control exponential generator (accurate over 10 octaves), rivaling the specifications of the best analog VCOs.
Taken together, EVOLUTION gives you everything from the platonic ideal of the classic ladder filter to a vast selection of alternative filter characteristics.
And like all Rossum Electro-Music modules, it’s solidly built, with machined aluminum knobs and high quality components throughout.
To learn a lot more about the evolution of EVOLUTION, check out this post from Dave’s lab.
Controls
- Initial Frequency
- Initial Q
- Q Level Compensation
- Initial Genus (# of Poles)
- Initial Species (Ladder Input Level)
Signal Input
1x 3.5 mm mono socket – 100 kΩ Input Impedance
Signal Output
1x 3.5 mm mono socket – 1 kΩ Output Impedance
Frequency CV Inputs
- 1x Attenuated – min 50 kΩ Input Impedance
- 1x w/Attenuverter – 100 kΩ Input Impedance
- 1x 1V/OCT Full Level – 100 kΩ Input Impedance
Q CV Inputs
- 1x Full Level – 100 kΩ Input Impedance
- 1x w/Attenuverter – 100 kΩ Input Impedance
Genus CV Inputs
- 1x Full Level – 100 kΩ Input Impedance
- 1x w/Attenuverter – 100 kΩ Input Impedance
Species CV Inputs
- 1x Full Level – 100 kΩ Input Impedance
- 1x w/Attenuverter – 100 kΩ Input Impedance
Supplied Accessories
- 1x 16-pin, Doepfer-style power cable
- 4x M3 screws
- 4x M2.5 screws
- 4x Nylon washers
- 1x Quickstart Guide
商品規格
- Genus（極點數）
- 3 至 6 poles（18dB/oct 至 36dB/oct）
- 頻率控制精度
- Accurate over 10 octaves
- 訊號輸入
- 1x 3.5 mm mono，100 kΩ 阻抗
- 訊號輸出
- 1x 3.5 mm mono，1 kΩ 阻抗
- Frequency CV 輸入
- 3x 3.5 mm（含 1V/OCT，50–100 kΩ）
- Q / Genus / Species CV 輸入
- 各 2x（100 kΩ）
- 電源需求
- +/-12 V via 16-pin Doepfer-style connector
- 電流消耗
- 85 mA +12 V / 75 mA -12 V（最大）
- 模組寬度
- 16HP
- 模組深度
- 25 mm
- 隨附配件 電源線
- 1x 16-pin, Doepfer-style power cable
- 隨附配件 螺絲 M3
- 4x M3 screws
展開完整規格（2 項）
- 隨附配件 螺絲 M2.5
- 4x M2.5 screws
- 隨附配件 墊片
- 4x Nylon washers
Reviews:
Purchase FAQ
Q1. How is shipping calculated? Is there free shipping?
Orders over NT$3,000 qualify for free shipping. Orders under NT$3,000 incur a NT$120 shipping fee. In-store pickup is always free.
Q2. What payment methods are available?
We accept: credit card (single payment, or 3/6-month installments), bank transfer, convenience store payment code, cash on delivery, in-store payment, and AFTEE deferred payment. Installments are currently available only for credit cards issued by CTBC Bank, E.SUN Bank, and Taishin Bank. Cash on delivery is not available for software products or orders over NT$10,000.
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Q3. How does in-store pickup work?
Select "In-store pickup" (free) at checkout. We will notify you by email once your items are ready. Please bring your order information to the store.
Store address: 2F., No. 2-1, Aly. 2, Ln. 244, Sec. 3, Roosevelt Rd., Zhongzheng Dist., Taipei City. Opening hours: Monday to Saturday 11:00 – 18:30 (closed on Sundays).
Q4. What is the inspection period?
According to the Consumer Protection Act, online purchases come with a 7-day inspection period starting from the delivery date. Please note that the "inspection period is not a trial period." The purpose is for you to inspect and review the product, not to use it. If you are unsatisfied after inspection, please do not open or use the product and follow the return procedures immediately. Returned products must be in complete packaging with all accessories, gifts, and original packaging intact. Any missing, damaged, or incomplete items may affect your return rights and restoration costs may be deducted.
Q5. How do I process a return or exchange?
If you wish to return a product, please ensure it is in complete, new condition with the original packaging undamaged. This includes the product itself, accessories, warranty card, original packaging, and all accompanying documents. If the product is damaged due to reasons attributable to you, we may not be able to process the return, or repair costs may be deducted from the refund. However, products with manufacturing defects are exempt and qualify for unconditional return or exchange.
Please contact us by phone or email within the inspection period, providing the reason for the return/exchange, current product condition, phone number, and pickup address. We will arrange the return within 3-5 business days.
Q6. How will I receive my refund, and how long does it take?
Refund methods and timelines vary by payment method:
Credit Card: After we receive the returned product, the refund will be credited to your credit card account within approximately 5-7 business days. Depending on your billing cycle, the refund may appear on your current or next statement. Please confirm with your credit card issuing bank.
Bank Transfer: Please contact service [at] digilog.tw with your complete bank details (bank name, branch name, bank code, account holder name, account number). We will arrange courier pickup of the returned product and transfer the refund to your designated account within 5-7 business days.
Q7. Is there a warranty on products?
Products come with a 1-year warranty. For repairs during the warranty period, please contact service [at] digilog.tw or call +886-2-23638171.
Q8. Do I need to pay for shipping when sending products for repair?
Round-trip shipping costs for product repairs are the customer's responsibility.
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