Blog Entries
Preview: QA440 Multimode Relay
The QA440 Multimode Relay provides 5-general purpose DPDT relays, accessible through two front-panel DB25 connectors wired in a Tascam DB25 audio pinout configuration. The two DB25 connectors can be configured...
Preview: QA440 Multimode Relay
The QA440 Multimode Relay provides 5-general purpose DPDT relays, accessible through two front-panel DB25 connectors wired in a Tascam DB25 audio pinout configuration. The two DB25 connectors can be configured...
Introducing the QA490
This week we begin shipping the QA490, which is a companion product for the QA401. The QA490 is for those that need to compare In-ear Monitors (IEMs) to "golden" units....
Introducing the QA490
This week we begin shipping the QA490, which is a companion product for the QA401. The QA490 is for those that need to compare In-ear Monitors (IEMs) to "golden" units....
Introducing The QA480
Post by Matt, July 2020 The QA480 will be a limited-run (~25 units) product for those doing hard-core R&D testing on advanced products that are at the limits of what their...
Introducing The QA480
Post by Matt, July 2020 The QA480 will be a limited-run (~25 units) product for those doing hard-core R&D testing on advanced products that are at the limits of what their...
Introducing the QA451
This week we begin shipping the QA451. The QA451 replaces the QA450 programmable load. When combined with the QA401, the QA450 and QA451 products make it very easy to quickly...
Introducing the QA451
This week we begin shipping the QA451. The QA451 replaces the QA450 programmable load. When combined with the QA401, the QA450 and QA451 products make it very easy to quickly...
Automated Testing of In-Ear Monitors
The next few months will reveal another round of accessory products for the QA401. Next up is a tester for In Ear Monitors (IEMs) called the QA490. With this product,...
Automated Testing of In-Ear Monitors
The next few months will reveal another round of accessory products for the QA401. Next up is a tester for In Ear Monitors (IEMs) called the QA490. With this product,...
Measuring Input Impedance
For some circuits, it's easy to determine the input impedance. For example, take a look at the simplified input stage of the QA460 Transducer driver. This circuit provides 10X gain...
Measuring Input Impedance
For some circuits, it's easy to determine the input impedance. For example, take a look at the simplified input stage of the QA460 Transducer driver. This circuit provides 10X gain...