Some of these changes were held over from 2017, as I just couldn’t quite get the time to bring them to market! Some are ready to go now, some will be soon, and some still on the drawing board will have significant revisions from the 2017 planned updates:
Coming for inline devices in 2018:
– First, the VPD highpass (low cut) filter is available now in the selection menu. There are several versions, covering both microphone and line as well as balanced and unbalanced applications.
– Next, there are some new options in the MPD menu for 3.5mm miniplug to male XLR attenuators, both mono and stereo. Like other unbalanced to balanced MPDs, the stereo version is impedance-balanced to provide a balun function.
– The long-delayed VPD midrange passive notch filter.
– An 5V-12V converter cable that enables use of 5V USB battery packs with the original IPA version will be made available–it’s already been tested and is just waiting for a PCB order for a final prototype. This function, which will be internal to the upcoming IPA version, will thus be extended to earlier versions as well.
On the drawing board for the year:
– The 2017 planned but unreleased IPA update has been expanded extra features: the 2018 power circuit revision not only reduces voltage drop for phantom powering, it also has an internal converter circuit so that the IPA can run on 5V external batteries, and has a charge regulation circuit so an internal 3.6V NiMH (or customer-sourced Li-ion) battery pack will be options instead of the standard A23 battery provision. Even more exciting, the IPA can now support one, two, or four channels, with the output connector being XLR-3-M (mono or stereo) or XLR-5-M (stereo or four-channel)! Four-channel gain will be set with a hex switch, which yields two fully selectable gain levels per channel. Mono versions will use a six-position switch, and the stereo version will continue to use a three-position switch. All new versions of IPA will now use the extended case (most early ones did already, due to connector requirements).
Better late than never! The updated IPA version 2 will release on April 1, with the following upgraded features:
– one, two, or four channels
– improved gain control: seven gain settings for one or two channel versions; three gain settings for four channel versions (with three-position switch rather than hex switch mentioned previously)
– regulated 8, 12, or 16V supply to microphones from any power source.
– option for internal rechargeable battery–3.6V NiMH or 3.7V Li-ion (Li-ion not supplied by Naiant)
– option for A23 or A544 battery holder
– external 5-15V supply
– improved performance with low-voltage (12-24V) phantom power supplies
– improved efficiency for optional polarization circuit
– optional input attenuation for “two-wire” microphones as a gain setting
– XLR-3-M, XLR-5-M, or RJ45 (four-channel impedance balanced output without internal battery) output options
– extended case only; auxiliary minijack input or output no longer available due to space constraints.
The 5V-12V converter cable will also be available for order on April 1.
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