- Wideband UHF tuning range – Available in A1B1 and B1C1 bands
- Accepts microphone or line level signals
- Selectable 5, 15, 48 volt phantom power
- Selectable 10/25/50 mW RF output power
- Adjustable low frequency roll-off
- Powered by two AA batteries
- IR (infrared) port for fast setup
- Remote controlled “dweedle” tones (audio tone set-up control)
- Removeable SMA-mount antenna (required for operation)
- Solid machined aluminum housing
- On board recording with time code jam sync
- Encryption 256 Bit AES, CTR Mode with 4 key policies
- Simultaneous record and transmit feature for models sold outside the USA.
This unique plug-on transmitter design will ideally match any microphone or line level source via a standard XLR connector. The DPR-A can tune in 100 kHz or 25 kHz steps across the UHF television band, with a selectable output power of 10, 25 or 50 mW. The purely digital architecture utilizes AES 256-CTR encryption for high level security applications. The external antenna provides exceptional operating range.
The transmitter is specially designed with high efficiency digital circuitry for extended operating time on two AA batteries, with status indicated by a multi-color LED. An IR (infrared) port is included to simplify setup with IR enabled receivers. Updates can be made via SD card.
The input amplifier uses an ultra low noise op-amp for quiet operation. It is gain controlled with a wide range, dual envelope limiter, providing over 30 dB of headroom above full modulation. A 24-bit A-D converter digitizes the audio, then filters out supersonic noise above 21 kHz.
Included Accessories
- PHTRAN3-A pouch with belt clip
- AA Lithium batteries
- AMM-19 antenna
- AMM-22 antenna
Accessories
Firmware updates are now available for users outside the United States to enable simultaneous recording and transmitting in non-U.S. models. Only the DPR(-A)/E01 and DPR-A/E09 models are eligible for this update.
If you are located outside of the United States or Canada, and your transmitter’s model number does not include /E01, or /E09, please email service.repair@lectrosonics.com or call 505-892-4501 for more details.
Users with existing units in Canada will be required to send their units, at their own expense, to the Lectrosonics Factory for the upgrade. To arrange for this, please email service.repair@lectrosonics.com or call 505-892-4501 for more details.
Below are links to the current firmware versions for the DPr and DPr-A digital transmitters.
These are zip files: after downloading extract them into a temporary folder. Each contains 3 files, one for the microcontroller, one for the FPGA and one bootloader file. Follow the instructions in the DPr Instruction Manual to update firmware. If you have any questions or encounter problems while updating the firmware please contact the factory for assistance.
How do I decide which firmware version is right for my transmitter?
If you have an DPR or DPR-A transmitter:
Note that simultaneous record and transmit is not available for users in the United States. If you have an DPR or DPR-A and are located outside the United States, please contact the factory for assistance.
- If you have DPR version 1.xx FPGA firmware, use only DPR version 1.xx firmware, version 1.xx FPGA firmware, and boot loader version 3. These are bundled into a single file for download: dpr_m114_f102_b3.zip.
- If you have DPR version 2.xx FPGA firmware, use only DPR version 1.xx firmware, version 2.xx FPGA firmware, and boot loader version 3. These are bundled into a single file for download: dpr_m115_f201_b3.zip.
If you have an DPR/E01 or DPR-A/E01 transmitter:
- If you have DPR version 1.xx FPGA firmware, use only DPR/E01 version 1.xx firmware, version 1.xx FPGA firmware, and boot loader version 3. These are bundled into a single file for download: dpr_e01_m114_f102_b3.zip.
- If you have DPR version 2.xx FPGA firmware, use only DPR/E01 version 1.xx firmware, version 2.xx FPGA firmware, and boot loader version 3. These are bundled into a single file for download: dpr_e01_m115_f201_b3.zip.
If you have an DPR/E09 or DPR-A/E09 transmitter:
- If you have DPR version 2.xx FPGA firmware, use only DPR/E09 version 1.xx firmware, version 2.xx FPGA firmware, and boot loader version 3. These are bundled into a single file for download: dpr_e09_m115_f201_b3.zip.
The FPGA firmware version is displayed in the “About” page in the “Settings” menu.
Firmware download files include a bootloader file. You don’t need to install this if your installed bootloader is the current version.The bootloader version is displayed when you enter firmware update mode. To do this, press and hold the UP and DOWN arrow buttons, then press the power button to turn the transmitter on. The bootloader version appears at the top of the screen, for example “DPrBoot3”.
DPr-A
DPr v1.15 (SUPER)/v1.02 (FPGA, H/W v1)/v2.01 (FPGA H/W v2)/v3 (BOOTLOADER)
- Changes for ease of manufacturing. No new features.
DPr v1.14 (SUPER)/v1.02 (FPGA, H/W v1)/v2.01 (FPGA H/W v2)/v3 (BOOTLOADER)
- Changes for ease of manufacturing. No new features.
DPr v1.11 (SUPER)/v1.01 (FPGA, H/W v1)/v2.00 (FPGA H/W v2)/v3 (BOOTLOADER)
- Fix bug where the default frequency was not restored when executing the “Default” action in the Setup menu (or via a serial command).
DPr v1.10 (SUPER)/v1.01 (FPGA, H/W v1)/v2.00 (FPGA H/W v2)/v3 (BOOTLOADER)
- Menu cursors now reset when factory default settings are restored.
- Fixed bug where recording didn’t stop when the SD card became full.
- Added 10 mW RF power level option.
DPr v1.07 (SUPER)/v1.01 (FPGA, H/W v1)/v2.00 (FPGA H/W v2)/v3 (BOOTLOADER)
- Battery percentage reporting is now more accurate.
- Menu cursor positions are now remembered in all menus and submenus, and are only reset at power-on or when the “Defaults” menu option is executed.
- Introduces FPGA firmware version 2.00 for use with newer units with serial number 301 and higher. Version 2.xx and 1.xx FPGA firmware are functionally indentical.
DPr v1.04 (SUPER)/v1.01 (FPGA)/v3 (BOOTLOADER)
- The menus have been reworked for greater congruence with other products. Most notably, standardized IR sync functions have been added to the Key submenu, now named “IR&Key”. “Phase” has been renamed to the more descriptive “Polarty”, and the “About” page was moved to the Setup submenu.
- IR sync prompts and confirmation messages have been standardized to match those on other equipment in this product family.
- Tuning Groups can now contain block information which is not used or displayed by the DPr but which is nonetheless stored and passed on when groups are shared or saved.
- The “Clock” page now shows the date and time with running seconds, and allows edits to the seconds field.
- It is now possible to select the Volatile key policy directly from the menus.
- The “About” page now has a neater appearance.
- BOOTLOADER v3: When updating firmware, long file names now scroll so the entire filename can be seen.
DPr v1.03 (SUPER)/v1.01 (FPGA)
- Fixed a bug wherein the “Default” command didn’t always store the settings if the power was turned off immediately.
- In the event that the FPGA fails to boot, an error message is displayed on the LCD.
DPr v1.02 (SUPER)/v1.01 (FPGA)
- Initial production release.
DPr-A/E01
DPr/E01 v1.15 (SUPER)/v1.02 (FPGA, H/W v1)/v2.01 (FPGA H/W v2)/v3 (BOOTLOADER)
- Changes for ease of manufacturing. No new features.
DPr/E01 v1.14 (SUPER)/v1.02 (FPGA, H/W v1)/v2.01 (FPGA H/W v2)/v3 (BOOTLOADER)
- Allows transmitting audio while recording.
DPr/E01 v1.11 (SUPER)/v1.01 (FPGA, H/W v1)/v2.00 (FPGA H/W v2)/v3 (BOOTLOADER)
- Fix bug where the default frequency was not restored when executing the “Default” action in the Setup menu (or via a serial command).
DPr/E01 v1.10 (SUPER)/v1.01 (FPGA, H/W v1)/v2.00 (FPGA H/W v2)/v3 (BOOTLOADER)
- Menu cursors now reset when factory default settings are restored.
- Fixed bug where recording didn’t stop when the SD card became full.
- Added 10 mW RF power level option.
DPr/E01 v1.07 (SUPER)/v1.01 (FPGA, H/W v1)/v2.00 (FPGA H/W v2)/v3 (BOOTLOADER)
- Battery percentage reporting is now more accurate.
- Menu cursor positions are now remembered in all menus and submenus, and are only reset at power-on or when the “Defaults” menu option is executed.
- Introduces FPGA firmware version 2.00 for use with newer units with serial number 201 and higher. Version 2.xx and 1.xx FPGA firmware are functionally indentical.
DPr/E01 v1.04 (SUPER)/v1.01 (FPGA)/v3 (BOOTLOADER)
- The menus have been reworked for greater congruence with other products. Most notably, standardized IR sync functions have been added to the Key submenu, now named “IR&Key”. “Phase” has been renamed to the more descriptive “Polarty”, and the “About” page was moved to the Setup submenu.
- IR sync prompts and confirmation messages have been standardized to match those on other equipment in this product family.
- Tuning Groups can now contain block information which is not used or displayed by the DPr/E01 but which is nonetheless stored and passed on when groups are shared or saved.
- The “Clock” page now shows the date and time with running seconds, and allows edits to the seconds field.
- It is now possible to select the Volatile key policy directly from the menus.
- The “About” page now has a neater appearance.
- BOOTLOADER v3: When updating firmware, long file names now scroll so the entire filename can be seen.
DPr/E01 v1.03 (SUPER)/v1.01 (FPGA)
- Fixed a bug wherein the “Default” command didn’t always store the settings if the power was turned off immediately.
- In the event that the FPGA fails to boot, an error message is displayed on the LCD.
DPr/E01 v1.02 (SUPER)/v1.01 (FPGA)
- Initial production release.
