Avalon U5 Single-Channel High-Voltage Instrument DI Preamp

  •  1
12.00 LBS
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Avalon U5

 is a Pure Class A instrument DI and preamplifier, featuring 1/4" Hi-Z and speaker level inputs (up to 400 watts!), balanced line and mic level XLR outputs, a 1/4" thru jack and tone & boost controls. The U5 is perfect for bass guitar and acoustic instruments, electric guitars, keyboards, synthesizers and low output pickups.

The U5 combines combines a unique passive tone selector with a variable gain preamp and filter. The high input impedance accepts a wide variety of signal levels and instruments. The U5 direct box is loaded with sonic character and user features professionals demand.


- Pure Class A, 100% discrete design

- Smooth musical detail and sonic excellence

- Variable gain preamp to +30dB.

- Dual microphone and line outputs

- Hi-Z 3,000,000 ohm input impedance

- Very low noise -100dB

- High headroom +30dB

- Six tone bank selections.

- DC coupled Class A output for superior bass

- High cut switch eliminates noise

- LED active signal indicator

- Headphone monitor output jack

- Low distortion less than 0.5% THD and IMD

- High level 400 watt speaker input

- Active to thru selector - ground isolation switch

- 100% discrete power supplies for audio path

- Internal toroidal power supply for low noise

- Long lasting, stainless steel hardware


Circuit Topology: 100% discrete, high-voltage Class A

Gain: Switched 3dB steps, maximum gain +30dB

Input Impedance: 3 ,000,000 ohm unbalanced (single ended)

Maximum Input Level: +24dBu unbalanced, 400w speaker input

Output Connectors (2): XLR type, pin 2 hot electronic balanced

Maximum Output Level (Class A): +30dBu DC coupled, balanced 600 ohms (mic and line out)

Headphone Output: 0.5w into 600 ohms

Noise 20kHz Unweighted: -100dBu minimum gain position

Distortion THD, IMD: 0.1% at +10dB

Frequency Response, -/+0.5dB: 5Hz to 100kHz

Frequency Response, -3dB: 1Hz to 500kHz (input band limited)

High Cut Filter: -3dB at 8kHz minimum phase design

Tone Selector: Six position rotary switch, all passive filters

AC Power: Internal toroidal AC supply

Dimensions: 8.5 x 3.5 x 12 in (216 x 88 x 305mm)

Weight: 12lbs (5.4kg)




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