If you need top audio playback quality from your digital sources, look no further than the silver Diamond from SPL, a premium DAC and preamplifier designed to handle digital audio from multiple types of sources and reproduce them with impeccable accuracy. With support for up to 32-bit / 782 kHz digital PCM and DSD250 audio decoding through the AKM AK4490 DAC and analog DLP120 dual low-pass filter chips, the Diamond can deliver the full sonic character of any digital source while also making sure no beat is out of step thanks to the ability to select between the clock from the digital signal or a dedicated BNC word clock input.

Flexible digital input options include AES XLR 3-pin, two S/PDIF RCA coaxial jacks, two optical TOSLINK S/PDIF jacks, and a USB-B port, which provides the highest sample rates, while balanced XLR and unbalanced RCA outputs are provided stereo analog connection to your speakers or mixer. The innovative onboard VOLTAiR technology and shielded toroidal transformer delivers superior rail voltage for the internal circuitry, ensuring that the Diamond provides the highest quality audio experience possible by vastly improving dynamic range, distortion, SNR, and maximum gain levels.

Premium Tabletop DAC for Home and Studio    Up to 32-Bit / 768 kHz Sample Rate    AK AK4490 Velvet Sound DAC Chip    2 x DLP120 Analog Low-Pass Filters    PCM and Up to DSD250 Decoding    Digital RCA & TOSLINK S/PDIF Input    AES3 XLR Input, USB-B Audio Input    Analog XLR and RCA Outputs    VOLTAiR Technology Supports 120V Rail    Selectable Digital or Word Clock Sync

The volume is adjusted with a solid, milled aluminum, rotary knob. The Alps RK27 Big Blue potentiometer gives a pleasant spoon in the honey rotary feel.

Up to six digital stereo sources can be connected to the Diamond, making this DAC/preamp an ideal heart for any digital audio system. Diamond offers both a stereo USB and AES input as well as two optical and coaxial stereo inputs. The selected input is also shown in the dot matrix LED display.

Via USB, both PCM audio and DSD audio can be converted. PCM audio is received in S/PDIF format, both coaxial (RCA), optical (TOSLINK F06) and balanced (AES/EBU).

Diamond can not only synchronize to the clock integrated in the digitally fed source signal. As a specialty for digital players, Diamond offers a word clock input. The source of the clock signal can be selected via the clock switch.

The DAC automatically picks up the sampling rate and resolution of the digital playback source, regardless of whether a streamer, computer, CD player, or an external word clock is connected. The detected sampling rate and the selected clock source are shown in the dot matrix LED display. For example, U768 is an acronym for a clock signal in the USB stream with a sampling rate of 768 kHz.

Diamond provides two stereo output pairs for connecting power amplifiers or active loudspeakers. One pair of outputs utilizes XLR 3-pin connectors while the other uses RCA outputs. Both have the same output signal, which is controlled by the volume control on the front panel.

The volume control for the RCA outputs can be switched out of the signal path via DIP switch on the back of the device. For example, a headphone amplifier with its own volume control can be connected to one of the outputs.

The highly acclaimed AKM AK4490 Velvet Sound premium DAC chip is used as the converter chip in the digital-to-analog converter, which thanks to its architecture reproduces the finest sound details. It converts PCM audio with a resolution of 32 bits and a sampling rate of up to 768 kHz, which is equivalent to 16 times CD resolution. Direct Stream Digital is also supported up to resolution of DSD4 or DSD256.

Every signal that is passed from a DAC chip into the analog world must be filtered be filtered by a low-pass filter. Two of them are implemented in the DLP120: One for PCM audio and one for DSD audio, since different roll-off frequencies are required. In contrast to all other DACs in the world, the low-pass filters here are built using VOLTAiR technology, which provides a plus in dynamics, headroom, and sound.

With all devices of the Professional Fidelity series, we develop not only according to plan, but also by ear. Many important components are installed on the circuit boards using Through-hole technology. This way, SPL can ensure that they use the best sounding components.

VOLTAiR is the synonym for SPL's 120V Rail Technology within the Professional Fidelity series. The audio signals are processed with an unequalled ±60V DC, which corresponds to twice that of discrete operational amplifiers and four-times that of semiconductor operational amplifiers.

VOLTAiR Technology reaches outstanding technical and sonic performances, especially in terms of dynamic range, headroom, and in reproducing the finest details and delivering a totally relaxed sounding audio experience. Music sounds absolutely natural.

Related Questions and Answers

Q: 1. Does it come with antenna?

A: Yes, the antenna for the wireless connection is included.

Q: 2. Can I use my Samson G-Track Pro USB microphone with my Nikon Z50 when recording a video? Is it as simple as using a USB to Mini jack adapter cable?

A: No, the Samson G-Track Pro USB microphone is for use with computers only. It can not be connected to a camera or used with analog adapters. You can convert an analog mic to digital/USB, but you can't convert digital/USB mics to analog. You will need a standard analog mic to use with the camera.

Q: 3. Is there a way to use this mic with an iPhone or iPad?

A: The Samson G-Track Pro USB Microphone with Built-In Audio Interface is designed to work with and be powered from a computer's USB port and is not confirmed to be compatible with iPad/iPhone inputs.

Q: 4. How is this product different than the Rode VXLR+ ? Voltage ? Impedance ?

A: The Rode VXLR Plus does not provide the same voltage that the Sennheiser provides. The Rode does 3-5v. For example: the Sennheiser ME 2 requires 7.5v. The Rode VXLR Plus would not supply that voltage.

Q: 5. I have a TRAM TR-50 lav mic that is made to use with the Senn EW100 G3 system. I have teh Senn ME2 as well that came with the G3 kit. I would like to be able to use both the TR-50 and the ME2 wired to my SD-302. Since the TR-50 is wired to work with the G3 I assume this would work to use it wired (in lieu of the TRAM TR 79+ unit for the same purpose). Can anyone who as ACTUALLY done this confirm that it will work? I too assume it will, but would like to hear from someone who has actually done it if at all possible. Thanks!

A: I know it doesnt work with my Countryman B3. I think it is tuned for the ME2. It clips and distorts with my Countryman. It is possible if the TRAM is similar sensitivity as ME2.

Q: 6. Is there a difference between the silver and the black besides color?

A: Hello, Thank you for contacting Samson Technologies. There is not functional different between the Black and Silver G Track Pro besides the coloring. If you have any other questions or inquiries, please let me know at any time. Best Regards, James (Product Specialist)

Q: 7. Will this receive audio files from my iPad via wifi? I don't want to use bluetooth..

A: Yes, Ann L, it will. The WXC-50DS has wi-fi and Airplay as well.

Q: 8. Does the amp connect wirelessly to a Yamaha Aventage receiver so i can add it as a zone 2 for music?

A: It would require a wired connection from the pre-out to your Yamaha. This wouldn't act as a zone 2 but as source of music for the zone 2 that your existing Yamaha has.

Q: 9. Where can we get the mic stand adapter for this mic? I need it.

A: Auray SHM-SCM1 Suspension Shockmount for Large Diaphragm Condenser Microphones B&H # AUSHMSCM1

Q: 10. Can multiple devices be linked together to play synchronized audio from a single source?

A: No they cannot.