US$299
- Mix & Match HRK 500 Products!
| 500 Units | 2 | 4 | 6+ |
| Discount | -10% | -15% | -20% |
PRODUCT END OF LIFE
AVAILABLE WHILE STOCK LASTS
- Free Shipping for Orders $299+
- Handmade in HRK Workshop
- Fully Assembled and Tested
- Express Delivery to Europe │ USA │ UK │ Canada
- Fully Featured Valve Opto-Compressor
- Adds Harmonics and analog warmth
- enhances the sound stage and content separation
- HRK Hybrid Class A Tube Gain Stage
- Pro-Grade NOS Dual Triode
- Microprocessor True Level Gain Reduction Meter
- Side-Chain 160Hz HPF
- Threshold from -30dB to +10dB
- Ratio from 1:1 to Limiter
- Slow / Fast Attack Switch
- Recovery from 50mS to 2S
- +20dB Gain Make-Up
- Stereo Coupling Option
- Coupled with HRK Active Transformer
- Black/Red Pearl High Gloss Finish
- On-Board Voltage 500 Rack PSU Filters
- Direct Sale - Save on Distributors Fee!
Microprocessor TLGR Meter
The CP523V is equipped with Microprocessor True Level Gain Reduction Meter.
This is a unique approach to provide the user with an ultra-accurate gain reduction reading. In most of the Compressors, the gain reduction is measured using the indirect method with an additional LDR circuit or by measuring the Side-chain voltage.
The RVGR is based on a microcontroller that measures the actual level of the signal on the input of the CP523V and the signal level on the output of the compressor stage, in real-time.
Two signal values are compared and the value of the signal reduction is calculated over 400 times every second. The results are averaged and displayed using the Gain Reduction LED Meter.
The typical error of the meter is less than -0.5dB in -1dB to -8dB gain reduction range.
CP523V Valve Class A Optocompressor TLGR Meter Demo
Video shows how accurate the microprocessor True Level Gain Reduction is when compared to the professional lab test equipment.
HRK Active Transformer
Bart Hrk developed the propitiatory design of an Active Transformer to solve the problems of the common passive transformers.
Passive transformers are susceptible to electromagnetic interferences (50Hz Hum, RF Smog) and the frequency response dependents on load and source impedance, negatively influencing the overall performance of analogue studio equipment.
The HRK Active Transformer delivers the sound that we love, including the harmonics content and the tonal response, and removes all the hassles associated with passive transformers.
The Active Transformer produces a subtle “Air” effect and provides extended LF performance.
The Active Transfomer saturation depends on the output level. Higher output signal levels will saturate the Active Transfomer more, like in the classic studio equipment.
The CP523V Gain Makeup Stage is made with a Pro-Audio Grade tube, which delivers superb specification matching and a much longer operating time compared to standard thermionic valves.
The CP523V is easy to use even for engineers with less experience with dynamic processors.
Optocompressors are very versatile and produce smooth compression results. Any music material will benefit from the magic touch added by the CP523V.
The side-chain controls are simple and powerful providing the necessary tools for many demanding studio applications.
The CP523V is suitable for recording as a part of the signal path.
It will control the dynamics of the signal from the microphone while enhancing the details and structure of the vocal or the instruments.
The CP523V can be used for tracking or mastering. Two units can be paired in stereo mode.
The Slow Attack mode and the side-chain High Pass Filter can be used very creative way in mastering applications.
Note:
Clips below show the old silver plate version of the CP523V. The balck front panel version has the same sonic performance.
Stereo Buss Operation
- Our improved production process ensures stereo matching between units
- If you purchase two units in one order, both units are matched for stereo operation, bus processing and mastering.
CP523V Stereo Bus Mix Demo – 96k HD Audio – Ratio: Medium
Attack: Slow, Sidechain HPF Engaged, Threshold: 0dB
Note:
Clips below show the old silver plate version of the CP523V. The balck front panel version has the same sonic performance.
Female Vocal Demo
Drums Demo
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.
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