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ST552 | ANALOG TAPE EMULATOR

US$299

500 Units 2 4 6+
Discount -10% -15% -20%
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Best Selling Product

Almost Always on Pre-Order

ST552 | ANALOG TAPE EMULATOR
St552 Analog Tape Emulator Similar To Neve542 Fp

ST552 Review Video – HD Audio

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Stereo Buss Operation

Stereo Spk

ST552 vs RND 542 Tape Emulator | 1:1 Comparison Video – HD Audio

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The FABRIC Harmonics Generator

Hrk Fabric Harmonics Generator

In addition to the tape emulator, the ST552 is equipped with HRK proprietary FABRIC harmonics generator.

The FABRIC adds the combination of 2nd and 3rd harmonics to enhance the results of the tape emulator circuitry.

The BLUE mode produces transformer-like harmonics and if used in a moderate amount it will add a magic touch to your tracks.

The RED mode is flat and amplifies midrange harmonics producing the tonal response of a mixing desk.

Each mode can be used creatively to achieve unconventional tonal results.

ST552 vs RND 542 Tape Emulator | Comparison Video – HD Audio

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HRK Active Transformer

Hrk Active Transformer

Bart Hrk has developed a proprietary design for an Active Transformer, aimed at addressing the limitations of traditional passive transformers.

Traditional passive transformers are known to be vulnerable to electromagnetic interference, such as 50/60Hz hum and HF RF smog. Additionally, their frequency response is contingent upon load and source impedance, which adversely affects the overall performance of analog studio equipment.

The HRK Active Transformer is a game changer that not only resolves the issues associated with passive transformers but also retains and amplifies the desired characteristics of the transformer output stage. This includes the enrichment of harmonic content and the enhancement of tonal response.

What sets the HRK Active Transformer apart is its ability to deliver the rich, beloved sound that audio enthusiasts seek, including the harmonic content and tonal response, while simultaneously eliminating the drawbacks of passive transformers.

Furthermore, the Active Transformer introduces a delicate “Air” effect and boasts an extended low-frequency (LF) performance, adding depth and clarity to the sound.

Another remarkable feature of the Active Transformer is its dynamic saturation, which is dependent on the output level. As the output signal level increases, the Active Transformer exhibits greater saturation, reminiscent of the warm and rich sound produced by classic studio equipment.

In summary, the HRK Active Transformer is an innovative solution that offers superior sound quality, eliminates electromagnetic interference, and enhances harmonic content and tonal response. It is an invaluable asset for professionals and audiophiles seeking to elevate their audio experience.

ST552 vs RND 542 Tape Emulator | User Review Video – HD Audio

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ST552 Signal Flow Diagram

Customers Reviews from HRK Users Group

Screenshot 2023 12 01 At 08 32 39 3 Hrk Handmade Analog Recording Equipment Users Group Facebook
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Screenshot 2023 12 01 At 08 17 02 3 Hrk Handmade Analog Recording Equipment Users Group Hi Facebook
Screenshot 2023 12 01 At 08 14 57 3 Hrk Handmade Analog Recording Equipment Users Group I Received My Hrk St552 Pair This Week Yay Facebook

ST552 Demo Videos

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Basic Specification
Input Type / Input Impedance Balanced Electronic 20k
Output Type / Output Impedance Balanced HRK Active Transformer Less than 10R
Gain 0dB Input Trim set to 0dB
Max Output Level +25dBu@0.1%THD Balanced Signal
Power Consumption 50mA max.
Format API 500 Format
Phase Reverse No 0 deg.
Static Noise -95dBu@10Hz-22kHz Tape and Fabric Disengaged
Level Meter Input/Output Smart Meter, Tape Drive Meter
ALL HRK Products Are Brand New - Assembled and Fully Tested

All HRK Products are tested with the industry’s best audio measuring equipment – The Audio Precision

Audio Precision is an industry leader in providing high-quality audio testing equipment. They are renowned for their test systems’ precision, reliability, and versatility.

When testing studio audio devices, Audio Precision’s equipment can assess parameters like frequency response, harmonic distortion, intermodulation distortion, phase response, signal-to-noise ratio, and cross talk. In-depth and accurate testing allows the identification of even the smallest issues in audio quality, enabling corrections and improvements that can significantly elevate the overall product quality.

In conclusion, using Audio Precision test equipment is an excellent way to ensure that all HRK products are performing at their best, meeting the standards required for the Professional Studio Applications.

 

Stereo Buss Operation

All Items are dispatched from Poland in the European Union within 1-3 working days.

Country / RegionShipping CostCustoms FeeVAT
All 27 European Union Countries – Delivery Time: 2-7 Days

– 14.99USD for orders below 249USD

– FREE shipping for orders over 249USD

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 249USD

– FREE shipping for orders over 249USD

No VAT ChargeHMRC collects the VAT or additional Fees if applicable.
USA, Canada – Delivery Time: 5-10 Days

– 14.99USD for orders below 249USD

– FREE shipping for orders over 249USD

NO Customs Fees for orders up to 800USD – charged by the USA Customs OfficeNo VAT charge.
Australia, Japan, South Korea –  Delivery Time: 5-14 Days

– 19.99USD for orders below 299USD

– FREE shipping for orders over 299USD

There is no info available – refer to local regulations.No VAT charge.
Switzerland Delivery Time: 3-7 Days

– 14.99USD for orders below 249USD

– FREE shipping for orders over 249USD

There is no info available – refer to local regulations.No VAT charge.
Norway Delivery Time: 3-7 Days

– 14.99USD for orders below 249USD

– FREE shipping for orders over 249USD

There is no info available – refer to local regulations.No VAT charge.
Russia, Belarus – NOT AVAILABLENOT AVAILABLENOT AVAILABLENOT AVAILABLE
Worldwide Destination Delivery Time: 3-14 Days– 29.99USDRefer to local regulations.No VAT charge.

EU Customers

EU Customers will not pay any extra customs fees.

Business customers with a valid EU VAT number will not have to pay VAT tax.

Please enter your EU VAT Number at 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, VAT will be added at 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 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 the USA and Canada

Payment Options:

You can pay for your order with any Credit Card or Apple Pay!

PayPal – We do not use PayPal as a payment method.

7 Days Return Policy

 
Our return policy is a part of the general Terms & Conditions, which you must acknowledge at the checkout. We stand by fair rules and a win-win approach.
We understand that our customers may wish to return the product and we provide such an option.
 
However, because we are a small company, we can’t afford to run a grade B outlet shop like big distributors and provide a 30 day return period. We can’t also scrap every returned unit.
 
We can charge our customers more to offset the cost of the returns, and this is what major distributors do. Or we can keep our prices low and hope that our customers will appreciate our policy.
 
This is why we provide the 7 days test period after receiving the package with the ordered items. If you wish to return the item, we will accept the return request, provided that the item is not damaged.
 

If the item is damaged during transport, we will do our best to help you and provide a replacement product.