Designed to expand both your audio interface channel count and studio creativity, the Revolution EXP from Black Lion Audio is a rack-mountable 8x8 AD/DA converter that adds up to eight channels to your interface I/O. With support for sample rates from 44.1 to 192 kHz, native sample rate conversion for all digital I/O, and three clock source options (internal, ADAT, and BNC), the Revolution EXP is an ideal add-on to any studio seeking greater control over digital signal flow and sample rates.

The Revolution EXP includes eight analog 1/4" TRS inputs and outputs, with a selectable pad on each input that toggles between +4 dB (pro-level devices) and -10 dBV (consumer-level devices). You also get BNC wordclock input and output for syncing your devices to the Revolution EXP or vice-versa. Four multi-segment LED meters let you keep an eye on your analog signal levels, while a single LCD screen keeps you informed of your current sample rate. The Revolution EXP includes a DC power cord.

Expansion Module for Audio Interfaces    44.1 to 192 kHz, 8 to 2 Channels    Dual TOSLINK ADAT Inputs and Outputs    BNC Wordclock I/O    Sample Rate Conversion    Eight 1/4" TRS Inputs and Outputs    Selectable -10 dBV Pad on Analog Inputs    Four Multi-Segment LED Meters    Clock Source Selection    Includes Power Cable

The Revolution EXP can be used for various applications in the studio. You can set up four sets of stereo sends and returns for external reverbs EQs, and other processors, or create four sets of stereo headphone sends for monitoring applications.

You can route four mono stems and two stereo stems to an analog summing mixer via your Revolution EXP analog outputs, and use two stereo inputs to return from the summing mixer. You can even add eight mono speakers via the Revolution EXP outputs and create a 5.1.2 spatial audio mix environment. These examples just scratch the surface.

With driver 5.70, Revolution interfaces now benefit from the addition of the Black Lion Audio Mixer, which offers low-latency routing with no CPU-eating DSP—ideal for direct monitoring applications. The Black Lion Audio Mixer features Simple and Advanced modes, giving you quick and easy access to your levels or complex routing options. The Mixer also lets you tap into the Revolution interfaces' powerful loopback feature, letting you route audio from one app to another. Thanks to the BLA mixer, you'll be able to:

• Send DAW audio and talkback mic to Discord for a remote session
• Live stream a digital DJ set from your DAW
• Sample audio from your browser to your DAW
• Record or stream a song to your phone with a backing track that is playing on your computer (Revolution 6x6 only)
• Live streaming a guitar performance from your phone (Revolution 6x6 only)

The number of digital audio channels that can be transmitted or received by the ADAT I/O is dependent upon the selected sampling rate. Higher sampling rates consume more bandwidth, reducing channel count.

When using one ADAT port:

• 44.1 kHz: 8 inputs and 8 outputs
• 48 kHz: 8 inputs and 8 outputs
• 88.2 kHz: 4 inputs and 4 outputs
• 96 kHz: 4 inputs and 4 outputs
• 176.4 kHz: 2 inputs and 2 outputs
• 192 kHz: 2 inputs and 2 outputs

When using two ADAT ports:

• 44.1 kHz: 8 inputs and 8 outputs
• 48 kHz: 8 inputs and 8 outputs
• 88.2 kHz: 8 inputs and 8 outputs
• 96 kHz: 8 inputs and 8 outputs
• 176.4 kHz: 4 inputs and 4 outputs
• 192 kHz: 4 inputs and 4 outputs

Related Questions and Answers

Q: 1. Has anyone tried this teleconverter with the K3ii and the Pentax 150-450mm zoom lens?

A: Yes, users say the teleconvertor will magnify any positive or negative issues with the lens. One reviewer says "I was still very impressed, based on my experience with my K1 plus DFA 150-450 mm". Knowing that this teleconvertor is made for crop sensor cameras, using the K3ii, the results will be even better.

Q: 2. Does the CD player connect to the Analog Inputs in the back panel? What type of cable connectors should be used? RCA?

A: The best way to connect a consumer CD player to this unit would be to utilize either the S/PDIF Coaxial or S/PDIF Optical digital inputs. The analog inputs are balanced 1/4-inch TRS or XLR, and usually connect to professional audio gear, such as a mixing board or a CD player, such as the Tascam CD-500B Single-Rackspace CD Player (Balanced), BH #TACD500B.

Q: 3. Hi, will this convert my MF lenses to AF lenses? I understand the older Pentax SMC-F 1.7x will allow me to AF my manual lenses? Thanks for your time and advice!

A: No it does not. Only the older Pentax-F 1.7x does that. It was designed to work with Pentax-A manual focus lenses as a transition to auto-focus. No other TC I know of does that.

Q: 4. Where is it made?

A: The Country of Origin for this product is China.

Q: 5. Will this lens work on a Pentax 55-300 lens? Thanks. Steve

A: You may or may not be happy with the results. Bear in mind that teleconverters are designed to work properly with prime (fixed) fast lenses...f4 or faster. On zooms, even on fast zooms like 70-200f2.8, the results will not be that great. 55-300mm.... Probably not worth spending $$500 for a TC since the performance and quality will be marginal. I don't like it in my 70-200 f4 or f2.8

Q: 6. Will it work with Pentax K-5 and 150-450mm 4.5-5.6 lens?

A: Yes, its compatible but you will probably lose autofocus on the long end.

Q: 7. Can I play an analog source and have it digital out via coaxial in real time?

A: Yes, the RME ADI-2 Pro FSR BE Reference AD/DA Converter with Extreme Power Headphone Amplifiers and Remote is able to route an analog audio source to its digital outputs in this manner.

Q: 8. I just bought this, but it's not working with a 1280x768 resolution. Any advice?

A: Sorry I do not have any advice. I too have a similar issue.

Q: 9. I just bought this, but it's not working with a 1280x800 resolution. Any advice?

A: Jodan, I had the same problem you experiancing. I did not keep my I returned it. It was not useful to me.I wish you luck.

Q: 10. has anyone powered this unit with USB power instead of plugging it into the wall? Does it need to be plugged into the wall?

A: Hi Mark. The unit requires a 5 volt DC source at 2 amps. Any power supply of 5 volts DC with at least a 2 amp rating will power the unit. So, if you have a USB power supply of 5 volts that can supply the amp rating it should work. Please be aware of the polarity of the power supply you are using. And no, I have not tried powering the unit from a USB port or power supply, but it is a good question.