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In general, the answer to that question is yes. But the degree depends on several factors.
When comparing the EQ901 B to a mint condition Bose OEM equalizer, the differences are more subtle. If the original Bose OEM Equalizer is in less than excellent shape with aging capacitors, sliders and connectors, then the new EQ901 Bs are vastly superior.
In general, because the EQ901 series is based on the high-performance Analog Devices Digital Signal Processor, the noise and distortion are lower and the dynamic range is greater, leading to better audio performance.
In testing, our goal was to have the EQ901 Bs be as close as possible to the factory EQ response, with additional enhancements in dynamic and frequency range for lower noise and distortion.
The EQ901 B, EQ901 USB and EQ901 Elite models are compared here: EQ901 Series Comparison Guide.
While it is possible to connect an active subwoofer with any of the EQ901 series equalizers, there are specific models that are designed with active crossovers to optimize the audio performance of your 901s with a subwoofer. To see a comparison of our different models and their features, check out our EQ901 Series Selection Guide.
To check out other resources on this topic, click on the following links: EQ901 Elite / USB / Platinum Subwoofer Option Supplement and the EQ901 PS User Guide.
Contact Deer Creek Audio, we are here to help!
Email us at staff@deercreekaudio.com. Please include screenshots of the issues with your email.
Call us at 720.726.9272.
When the EQ901 B arrives, it will include the EQ901 B unit along with a regulated power supply. The equalization curves for the Bose 901 series you selected will be preset on the EQ901 B unit.
The EQ901 is specifically designed for Bose 901 speakers, and although it is possible to use it with another set of speakers, it is not recommended as it would cause excessive bass and treble.
EQ901Bs are shipped with a 0.9 Vrms input maximum rating. This can be overdriven by tape monitor loops that are putting out more than 1 Vrms and also fixed line outputs from other components that exceed this level, such as a CD player.
One solution is to put the EQ901B in the signal chain where you have control over the output voltage, for example a pre-out / main-in loop. If that option is not available, you can switch the unit from 0.9 Vrms to the 2 Vrms input setting. This solution works well most of the time.
If you are still having this issue, you can return your unit to Deer Creek Audio for evaluation, with these possible outcomes:
Check out the SHD DDRC Dirac Startup document in our Resources Library. Also be sure to read the miniDSP user guides.
When you purchase an SHD series product, it includes full, perpetual licenses for Dirac Live, the miniDSP SHD plug-in, the ASIO USB driver and Volumio. Each time you download software you’ll receive the latest version. You also can upgrade at any time, from multiple computers, using the supplied licenses.
The license for Dirac Live is hard coded into the SHD product, and the software is downloaded directly from the Dirac website. All other downloads are available through miniDSP. You will need to open free accounts with miniDSP and Dirac Live to access your downloads.
It’s recommended that when you perform an update on an individual piece of software you also update all software for the unit.
Yes, all of our SHD products are the most recent versions released by miniDSP. We import new fresh stock monthly directly from miniDSP, so all our products contain the latest firmware and software updates.
Try these tips when updating your SHD:
Yes, the miniDSP SHD series is certified Roon Ready. Roon’s high-resolution streaming technology is built into the SHD network player, and combines simple setup, daily reliability and the highest levels of digital audio performance.
All SHD models shipping now have full Roon Ready capabilities. For existing SHD owners, you’ll need to delete any old Roon connections to your unit, then update to the latest SHD and Volumio firmware. You’ll then have full Roon Ready interface
All the miniDSP products are extremely quiet, however, it is possible with improper gain structure to have a high noise floor. Here's an application note that addresses this: https://www.minidsp.com/applications/dsp-basics/gain-structure-101
Here are the public published signal-to-noise ratios for a few of the models:
Contact Deer Creek Audio, the miniDSP Dev team or the Forum on the miniDSP website. We are here to help!
Please include screenshots of the issues with your email.
The miniDSP 2x4 HD has many advantages over the standard 2x4, including:
The UMIK-1 is calibrated at the factory; you simply download the calibration file from the miniDSP website using the seven-digit serial number found on the body of the microphone. The UMIK-2 also includes a license code for the required PC driver download.
Some of the advantages of purchasing your miniDSP from Deer Creek Audio include:
We offer same business day shipping for orders received by 2 PM mountain time. U.S. domestic orders for small items ship expedited (1 to 3 days), large items ship ground service (FedEx, UPS or USPS). Faster services available for additional fee. Carriers to Canada and international destinations may vary. See product listings for item-specific shipping costs.
The best value for our products is often via the eBay Global Shipping Program. Simply add the item to your cart and you will see the full delivered price to your address including all taxes, duties and shipping.
eBay Global Shipping (GSP) items are first shipped from our local facility to the eBay GSP center in Erlanger, KY. Then GSP takes care of the rest, including completing customs forms, paying import fees and providing international shipping to you. GSP also includes end-to-end international tracking, so you can stay up-to-date throughout the process. You can go to eBay and view the tracking process to your final destination.
eBay assumes responsibility once the item reaches the GSP center. If the item is lost or damaged during international transit, the program has you covered.
This indicates that your item is being shipped via eBay Global Shipping to your registered address at eBay.
eBay Global Shipping (GSP) items are first shipped from our local facility to the eBay GSP center in Erlanger, KY. Then GSP takes care of the rest, including completing customs forms, paying import fees and providing international shipping to you. GSP also includes end-to-end international tracking, so you can stay up-to-date throughout the process. You can go to eBay and view the tracking process to your final destination.
eBay assumes responsibility once the item reaches the GSP center. If the item is lost or damaged during international transit, the program has you covered.
If you have questions or comments, you can reach us at the following:
Email: staff@deercreekaudio.com
Telephone: 720.726.9272
Website: deercreekaudio.com