$69.00 ex. VAT
Available until stock lasts
- Free Shipping for Orders $299+
- Handmade in HRK Workshop
- Fully Assembled and Tested
- Express Delivery to Europe │ USA │ UK │ Canada
1 in stock
1 in stock
DOPA520 Discrete Opamp | The Ultimate Mastering Colour Module!
- Inspired by Famous Classic USA Opamp Design
- Designed for Professional
- Mastering Adds Harmonics and Space
- Enhances Details and Glues the Mix!
- Makes the Sound more Live and Vivid
- Made with High Quality Discrete Components
- NOS Silicon Transistors in the Input Stage
- On-Board Voltage Regulators
- Compatible with DIYRE Colour Format
The DOPA520 has a unique ability to enhance any audio signal by highlighting the details, amplifying the harmonics and adding space to the track.
The main use of the DOPA520 is the Mastering of the finished Mix when used in the mix bus section.
The DOPA520 can be used during the recording. Any signal source, instrument or vocal will benefit from the unique qualities of the DOPA520.
The DOPA520 will enhance the effect of any other Colour Module installed in the signal chain. Mastering Colour Bundles with DOPA520 are available at the discounted price.
The DOPA520 does not introduce any gain nor the phase shift and does not change the frequency response. It works its magic thanks to the unique design and selection of high-quality components!
High-Performance Discrete Operational Amplifier
The DOPA520 is a Studio Grade Discrete Operational Amplifier Colour Module made with selected high-quality components.
The design of DOPA520 was inspired by classic Discrete Opamp designed in the USA. The design was optimized for Mastering purposes and to achieve superior audio performance.
The DOPA520 is using Vintage Silicon transistors in the input stage. This is another reason why the DOPA520 delivers outstanding tone-shaping results.
The interferences from the 500 rack switch mode power supply may become the real problem for professional studio applications.
The On-Board Voltage Regulators ensures the ideal operating conditions and filter-out any residual harmonics and interferences from the 500 Rack PSU.
ALL HRK Products Are Brand New - Assembled and Fully Tested
All HRK Products are tested with the industry best audio measuring equipment
Audio Precision System
- Our improved production process ensures stereo matching between units.
- If you purchase two units in one order, you can be sure that both units are matched for stereo operation, bus processing and mastering.
All Items are dispatched from Poland in the European Union within 1-3 working days.
| Country / Region | Shipping Cost | Customs Fee | VAT |
| All 27 European Union Countries Delivery Time: 2-7 Days | – 14.99USD for orders below 299USD- FREE shipping for orders over 299USD | NO Customs Fees | – Yes, for personal orders- Not charged with the EU VAT number |
| United Kingdom Delivery Time: 3-7 Days | – 14.99USD for orders below 299USD- FREE shipping for orders over 299USD | NO Customs Fees | No VAT charge. HMRC collects the VAT. |
| USA, Canada Delivery Time: 5-10 Days | – 14.99USD for orders below 299USD- FREE shipping for orders over 299USD | NO Customs Fees for orders up to 800USD – charged by the USA Customs Office | No VAT charge. |
| Australia Delivery Time: 5-14 Days | – 19.99USD for orders below 399USD- FREE shipping for orders over 399USD | No info available – refer to local regulations. | No VAT charge. |
| Switzerland Delivery Time: 3-7 Days | – 14.99USD for orders below 299USD- FREE shipping for orders over 299USD | No info available – refer to local regulations. | No VAT charge. |
| Norway Delivery Time: 3-7 Days | – 14.99USD for orders below 299USD- FREE shipping for orders over 299USD | No info available – refer to local regulations. | No VAT charge. |
| Russia, Ukraine, Belarus – NOT AVAILABLE | NOT AVAILABLE | NOT AVAILABLE | NOT AVAILABLE |
| Worldwide destinations Delivery Time: 3-14 Days | – 29.99USD | Refer to local regulations. | No VAT charge. |
EU Customers
The EU Customers will not pay any extra customs fees.
Business customers with valid EU VAT number will not pay the VAT tax.
Please enter your EU VAT Number at the checkout, and the VAT will be deducted from the Total Payment. The VAT number is automatically checked in the VIES database.
For personal orders from the EU, the VAT will be added at the checkout.
UK Custmers
We ship directly to United Kingdom.
UK VAT tax is collected by HRMC
Non-EU Customers
Customers from outside the EU purchase the items with no VAT.
Please select the destination country, and the VAT will be removed automatically.
If the VAT is not removed, please email customer service via the contact form, and a custom invoice will be issued.
USA and Canada
Orders from the USA below 800USD are FREE from customs tax.
We ship directly to USA and Canada
Payment Options:
You can pay for your order with any Credit Card and Apple Pay!
7 Days Return Policy
If the item is damaged during the transport, we will do our best to help you and provide the replacement product.
