Aqua vu series

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Driver board: The fourth-generation driver board instead of 7318IC drive plate, improved the two disadvantages of 7318 driver: 1. Small pointer swing. 2. Small adjust sensitivity. Instructions for use: 1. Input AC / DC 12V is the power supply for the drive board. (It is recommended to use a separate power transformer, or independent winding for its power supply! The current is 45MA when drive board does not use the backlight) 2. L, GND, R: This is the driver board low level signal input terminal, used to connect CD machine, computer sound card, pre-class, and other audio equipment, audio signal, when wiring L, GND, R need respectively corresponding to the left, ground, and the right channel. 3. The backlight DC12V is the power supply used for the backlight of the meter after the driver board is rectified and stabilized. (Note: the backlight power supply current maximum support 400MA * 2. When using the maximum current, the supply transformer current can not less than 1A 12W.) 4. Header interface: pay attention to positive and negative. 5. R1 and R2 are two adjustable resistors on the drive plate that can control the size of the stylus swing. VU Meter: Color: Black Metarial: Plastic Size: 35 x 35 x 37mm Measuring range: 0--500UA ± 10% Resistance: 650Ω ± 10% Accuracy: ± 5% Approved location: Full-scale 500UA Backlight voltage: AC/DC 6-12V To extend the life of the backlight bulb, you can use the following methods: 1. Under the condition that the backlight meets the requirement, the working voltage can be reduced so that the life can be greatly extended. 2. AC power supply 10 ~ 12V, series 10 ohm ~ 50 ohm current limiting resistor to reduce the impact on the filament when the boot. Package includes: 2 x VU Meter 1 x Driver Module

SM Pro Audio 500 Series Phasebox Phase Controller The Phase Box is a 500 series compatible phase manipulation tool designed to correct problematic audio phase alignment when recording multiple signal sources. A high quality analog device, the Phase Box helps deliver smooth natural sounding phase curves and adds warmth to your recordings. Simple to use, the variable phase control knob and switchable low cut filter puts you in control of audio phase manipulation. Do some of your microphone recorded tracks sound thin? If so, this could be due to misaligned phase of your audio signal. Audio phase inconsistencies can arise in all manner of day-to-day recording environments. This is especially true when combining two signals to capture that elusive "fat" recorded sound. Audio signal from two sources can often become incoherent and in the worst situations cancel each other out unless phase alignment is controlled. The Phase Box can be inserted in-line (directly after a microphone / instrument preamp) or via the insert bus of a mixer or DAW. The audio signals phase can be manipulated by up to 180 degrees with the front panel rotary encoder. Bypass, Low-cut filter, and phase reverse switches are provided along with output level adjustment and VU metering. Guitar, bass, and drum recordings can be significantly improved by correcting misaligned signal phase during the recording process. Capture warmth and thickness in recordings like never before by zeroing in on the "sweet spot" with the Phase Box. Utilising low noise and wide dynamic range LME op-amps and built to the same high specifications as other SM Pro Audio 500 Series units, the Phase Box is a "go to" tool when capturing the perfect recording. The Phase Box is slated for release in June .

SM Pro Audio 500 Series MBC502 Optical Compressor The MBC502 is a custom-designed, optical multi-band compressor in a dual-slot 500-series format. Each channel—low-frequency and high-frequency—offers control over level, compression amount, and attack and release times. Switches allow you to mute one of the compression channels so that the other can act as a filter, with the filter’s center frequency determined by the setting of the front panel Frequency selector knob. The VU meter displays the master output level, while gain reduction is shown on the LED meters. Editing is performed via a complement of dedicated oil damped rotary controls, with each compression band sporting independent controls. The exception is the Master Level knob, which gives you convenient, simultaneous control over the output levels of both compressor bands. Finally, like the Tubebox, the MBC502 audio circuit uses the LME ultra-low distortion/low noise Op Amps, for uncompromised audio output. Whether you’re taming vocal peaks, getting a bass to sit in the pocket, or looking to do serious sound-sculpting, our MBC502 is more than ready to lend a hand.

SM Pro Audio 500 Series Tubebox Mic Preamp Tubebox — a single-slot 500-series tube microphone preamp that boasts pristine audio output, superior-quality high-end design, and a value price. The small but mighty device features a Class A tube preamplifier, switchable phantom power, phase invert, selectable -20dB pad, and a super fast in-line optical compressor. The front panel includes a TRS microphone input—a standout feature typically not found on 500-series preamps. The easy-access interchangeable 12AX7 preamp tube allows you to experiment with a variety modern and vintage tubes to customize the Tubebox’s sound and performance to your taste. The switchable (in/out) compressor provides adjustable attack and release, and when it’s in use, the on-board VU meter automatically changes from displaying master level to amount of gain reduction, so you can view the exact results of the compression being applied. Editing is done using our smooth, responsive (and eye-catching!) hand-machined controls. And last but not least: The Tubebox audio circuit uses LME ultra-low distortion/low noise Op Amps, for suberb audio output. Think you can’t get a full-featured, great-sounding 500-series mic pre for an exceptional price? Think again!

Built on the topology of the original ISA 110 including the Lundahl L transformer and bespoke zobel network, the Focusrite ISA One is an excellent way to tap into the legacy of the legendary Forte console in an ultra-portable format you can take anywhere you need to record. Inputs for microphone, line-level, and direct instrument-level sources cover all of the bases. A variable impedance selector also lets you dial in the warmth you want without sacrificing the clarity you need. Plus, the ISA One's DI and microphone level inputs run in parallel, so you can blend the direct signal of the instrument with the sound of the miked up amplifier - a killer trick for getting bass sounds that are both fat and punchy. Focusrite ISA One Features: Single Channel Original ISA Series Pre Amp in a portable metal Chassis Selectable impedance, perfect for matching with any microphone Direct Instrument inputs including high and low impedance options to provide a comprehensive DI solution Classic VU meter, Ladder LEDs too-all manner of metering, at source Cue mix stereo inputs Certificate of origin hand-signed by Phil Dudderidge included 24 bit/192kHz A-to-D converter included

Built on the topology of the original ISA 110 including the Lundahl L transformer and bespoke zobel network, the Focusrite ISA One is an excellent way to tap into the legacy of the legendary Forte console in an ultra-portable format you can take anywhere you need to record. Inputs for microphone, line-level, and direct instrument-level sources cover all of the bases. A variable impedance selector also lets you dial in the warmth you want without sacrificing the clarity you need. Plus, the ISA One's DI and microphone level inputs run in parallel, so you can blend the direct signal of the instrument with the sound of the miked up amplifier - a killer trick for getting bass sounds that are both fat and punchy. Focusrite ISA One Features: Single Channel Original ISA Series Pre Amp in a portable metal Chassis Selectable impedance, perfect for matching with any microphone Direct Instrument inputs including high and low impedance options to provide a comprehensive DI solution Classic VU meter, Ladder LEDs too-all manner of metering, at source Cue mix stereo inputs Certificate of origin hand-signed by Phil Dudderidge included An optional 24 bit/192kHz A-to-D converter available