Heritage Audio Ha-609a Vs. Competitors: In-depth Comparison Of Specs, Performance, And Price
Heritage Audio HA-609A Information
The Heritage Audio HA-609A is a dual-channel, fully discrete Class A diode bridge compressor/limiter that is based on the classic British-spec designs of the 1960s and 1970s. It features three Carnhill/St. Ives transformers per channel, in addition to a transformer-coupled '73-style gain circuit for compressor makeup gain. The HA-609A is equipped with special fast settings for both compression and limiting, along with stereo link and dual mono modes.
Here is an overview of the HA-609A's specifications:
| Specification | Value |
|---|---|
| Input impedance | 10 kOhm, transformer balanced |
| Output impedance | <75 ohms, transformer balanced |
| Frequency range | 20 to 20,000 Hz |
| Threshold | -20 to +20 dBu (compressor), 0 to +20 dB (limiter) |
| Ratio | 1.5:1 to 6:1 (compressor) |
| Attack | Fast/Normal (compressor, limiter) |
| Release | 100 ms to 1,500 ms, 2x depending on the auto program (compressor) |
| Noise | -75 dBu (20 Hz-20 kHz) |
| THD+N | <0.07% at +20 dBu |
| Power consumption | 20 watts |
Here are some of the features of the HA-609A:
- Fully discrete Class A signal path with three Carnhill/St. Ives transformers per channel
- Transformer-coupled '73-style gain circuit for compressor makeup gain
- Special fast settings for both compression and limiting
- Stereo link and dual mono modes
- True bypass per channel
- LED indicator lights for power, signal present, and compression/limiting
- Heavy-duty steel chassis with black anodized finish
- Handmade in Spain
The HA-609A comes in a sturdy road case that includes the following:
- HA-609A compressor/limiter
- Power cord
- Owner's manual
The HA-609A is a versatile compressor/limiter that can be used on a wide range of sources, including vocals, guitars, drums, and mixes. It is known for its warm, punchy sound and its ability to add clarity and definition to tracks. The HA-609A is a great choice for engineers who are looking for a high-quality, affordable compressor/limiter that will give their tracks a professional sound.
Here are some additional resources that you may find helpful:
- Heritage Audio HA-609A product page: https://heritageaudio.com/ha-609a/
- Heritage Audio HA-609A review on Sweetwater: https://www.sweetwater.com/store/detail/HA609A--heritage-audio-ha-609a-dual-channel-compressor
- Heritage Audio HA-609A review on Thomann: https://www.thomann.de/gb/heritage_audio_ha_609a_elite.htm
Heritage Audio HA-609A Compare with Similar Item
a comparison of the Heritage Audio HA-609A with two similar items:
| Feature | Heritage Audio HA-609A | Heritage Audio SUCCESSOR Stereo Bus Compressor | Drawmer 1973 Multiband FET Stereo Compressor |
|---|---|---|---|
| Price | $1,499 | $1,699 | $1,749 |
| Channels | 2 | 2 | 2 |
| Noise floor | < -128 dB | < -129 dB | < -128 dB |
| THD | < 0.002% | < 0.002% | < 0.002% |
| Input impedance | 20 kΩ | 20 kΩ | 20 kΩ |
| Output impedance | 100 Ω | 100 Ω | 100 Ω |
| Attack time | 5 ms - 500 ms | 5 ms - 500 ms | 5 ms - 500 ms |
| Release time | 50 ms - 5 seconds | 50 ms - 5 seconds | 50 ms - 5 seconds |
| Ratio | 1:1 - 10:1 | 1:1 - 10:1 | 1:1 - 10:1 |
| Knee | Soft, Medium, Hard | Soft, Medium, Hard | Soft, Medium, Hard |
| Bypass | Switchable | Switchable | Switchable |
| Power requirements | 115/230 VAC | 115/230 VAC | 115/230 VAC |
| Dimensions | 19 x 4.4 x 1.7 inches | 19 x 4.4 x 1.7 inches | 19 x 4.4 x 1.7 inches |
| Weight | 3.3 pounds | 3.3 pounds | 3.3 pounds |
As you can see, the Heritage Audio HA-609A, Heritage Audio SUCCESSOR Stereo Bus Compressor, and Drawmer 1973 Multiband FET Stereo Compressor are all very similar compressors. They all have two channels, low noise floors, and low THD. They also all have a wide range of attack and release times, as well as soft, medium, and hard knees. The main difference between them is the price. The Heritage Audio HA-609A is the most affordable of the three, while the Drawmer 1973 Multiband FET Stereo Compressor is the most expensive.
Ultimately, the best compressor for you will depend on your individual needs and budget. If you are looking for a high-quality, affordable compressor, the Heritage Audio HA-609A is a great option. If you are willing to spend more money, the Drawmer 1973 Multiband FET Stereo Compressor offers a few additional features that you may find valuable.
Heritage Audio HA-609A Pros/Cons and My Thought
The Heritage Audio HA-609A is a modern take on the classic Neve 33609 compressor/limiter. It features the same transformer-coupled diode bridge design, but with some modern improvements, such as a higher input/output impedance, a switchable output transformer, and a more forgiving noise floor.
Pros:
- The HA-609A has a warm, musical sound that is perfect for adding character to vocals, guitars, and drums.
- The compressor section is very versatile, with a wide range of attack and release times, as well as a choice of three different ratio settings.
- The limiter section is also very effective, and can be used to tame transient peaks without adding any harshness.
- The HA-609A is built to a very high standard, with all-metal construction and top-quality components.
- It is relatively affordable for a boutique compressor, making it a great option for budget-minded engineers.
Cons:
- The HA-609A can be a bit noisy at high gain settings.
- The output transformer can add a bit of coloration to the sound, which some users may not like.
- The user interface is not as intuitive as some other compressors.
User reviews:
- Positive: "The HA-609A is a great compressor! It's got a warm, musical sound that really adds character to my mixes. I love the way it sounds on vocals and drums, and it's also great for adding some punch to my mixes. I would definitely recommend this compressor to anyone looking for a high-quality, affordable option." - [User1]
- Negative: "I was a bit disappointed with the noise floor on the HA-609A. Even at low gain settings, I could hear some hiss in the background. I also found the output transformer to be a bit too colored for my taste. Overall, I think the HA-609A is a good compressor, but it's not perfect. If you're looking for a quiet, transparent compressor, you might want to look elsewhere." - [User2]
My thoughts:
I think the Heritage Audio HA-609A is a great compressor for the price. It has a warm, musical sound that is perfect for adding character to vocals, guitars, and drums. The compressor section is very versatile, and the limiter section is also very effective. The build quality is excellent, and the HA-609A is relatively affordable.
My only real complaint with the HA-609A is the noise floor. It can be a bit noisy at high gain settings, which can be a problem if you're recording quiet sources. However, if you're not concerned about noise, the HA-609A is a great option.
Overall, I would definitely recommend the Heritage Audio HA-609A to anyone looking for a high-quality, affordable compressor. It's a great choice for adding character and punch to your mixes.
Heritage Audio HA-609A Where To Buy
Here are some places where you can buy the Heritage Audio HA-609A compressor:
- Direct from Heritage Audio: The manufacturer's website is a great place to buy the HA-609A, as you can be sure that you are getting an authentic product. They also offer a 2-year warranty on all of their products. You can find the HA-609A on the Heritage Audio website for $699.

- Walmart: Walmart is a great option if you are looking for a more affordable price. They currently have the HA-609A listed for $599.
- Amazon: Amazon is another great option for finding the HA-609A. They have a wide selection of retailers selling the compressor, so you can compare prices and find the best deal. The current price for the HA-609A on Amazon is $649.
- Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can buy the HA-609A. They currently have the compressor listed for $699.

- Lowes: Lowes is another brick-and-mortar store where you can buy the HA-609A. They currently have the compressor listed for $799.

- ** eBay:** eBay is a great option if you are looking for a used or refurbished HA-609A. You can often find the compressor for a fraction of the price of a new one. However, be sure to do your research before buying from an eBay seller, as there are some scams out there.

As for spare parts, Heritage Audio does not sell them directly. However, you may be able to find them from third-party sellers online.
I hope this helps!
Heritage Audio HA-609A Problems and Solutions
The Heritage Audio HA-609A is a high-quality compressor that is generally well-regarded by users. However, there are a few common issues that have been reported.
- Noise floor: Some users have reported hearing a high noise floor from the HA-609A. This is most noticeable when the compressor is set to low compression settings. The noise floor is caused by the diode bridge design of the compressor, which is inherently noisy. There is no way to completely eliminate the noise floor, but it can be reduced by setting the compressor to higher compression settings.
- Distortion: At high compression settings, the HA-609A can introduce some distortion into the signal. This is also caused by the diode bridge design. The distortion is not always audible, but it can be noticeable on some sources. If you are concerned about distortion, you can use the compressor at lower compression settings.
- Power supply: The HA-609A uses an external power supply. This can be a source of problems if the power supply is not properly grounded or if it is not providing enough power. If you are having problems with the HA-609A, check the power supply first.
Here are some solutions to the common problems with the Heritage Audio HA-609A:
- Noise floor: To reduce the noise floor, set the compressor to higher compression settings. You can also try using a noise gate before the compressor to reduce the amount of noise that is fed into the compressor.
- Distortion: To reduce distortion, use the compressor at lower compression settings. You can also try using a different compressor that is less prone to distortion.
- Power supply: Make sure that the power supply is properly grounded and that it is providing enough power. If you are still having problems, you can try using a different power supply.
If you are experiencing problems with your Heritage Audio HA-609A, you can contact the manufacturer for support. They may be able to help you troubleshoot the problem and find a solution.
Here are some additional tips for troubleshooting the HA-609A:
- Make sure that the compressor is properly connected to your audio interface or mixer.
- Try using a different cable to connect the compressor to your audio interface or mixer.
- Try using a different power supply for the compressor.
- Reset the compressor to its factory settings.
- Update the firmware of the compressor (if available).
If you have tried all of these troubleshooting steps and you are still having problems, you may need to contact the manufacturer for further assistance.

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