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Avalon M5 Mono Pure Class A Microphone Preamp

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15.00 LBS
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Product Description

Avalon M5

 is a low noise microphone preamplifier, designed to optimize absolute signal integrity and musical performance. Combining an advanced transformer input stage with twin high performance Class A cascode FET and bipolar discrete amplifiers for sonic excellence unequaled by lesser designs. The M5 mic preamp is perfect for vocal and acoustic instruments, active DI input for the direct recording of bass, guitars and keyboards.

The M5 microphone preamp is equipped with a large illuminated VU meter, twin LED peak signal indicators, regulated +48V phantom power supply, variable passive high-pass filter and all signal routing with sealed silver relays.

When you're looking to capture a full bodied, dynamic, musical performance from intimate depths within the artist, the M5 is ready for you to turn your recordings into masterpieces.


Pure Class A, 100% discrete design

Smooth musical detail and sonic excellence

Minimum audio signal path

High performance input transformer

Microphone and Hi-Z inputs to +36dB

Very low noise -126dB

High headroom +30dB

Gain switched in 2dB steps to +64dB

DC coupled Pure Class A output

Large illuminated professional VU meter

Twin LED peak signal indicators

Regulated +48v phantom power supply

Low distortion less than 0.5% THD and IMD

Variable passive high pass (bass cut) filter

All signal routing with sealed silver relays


Circuit Topology: Twin cascode FET and bipolar low level input signal stages. High-voltage, 100% discrete, symmetrical high-bias Pure Class A amplifiers.

Input Type and Load: Superior transformer, balanced low-ratio 1500 ohm input load.

Maximum Mic Level: +36dB balanced XLR pin 2 hot (with -20dB passive attenuator).

Maximum Instrument Level +30dB balanced 600 ohms, DC coupled, discrete Class A.

Input Attenuator: -20dB resistive pre transformer primary, sealed silver relay.

Phantom Power: +48v regulated 50mA capability, sealed silver relay.

High Pass Filter: Passive, variable from 30Hz to 185Hz @ 6dB per octave, sealed silver relay.

Polarity Reverse: Sealed silver relay on microphone input.

Gain Range Input: 20dB to +64dB in 2dB steps.

Maximum Output Level: +30dB unbalanced 600 ohms, DC coupled, discrete symmetrical Pure Class A.

Output Type: XLR connector, pin 2 hot (optional balanced JT-1 transformer).

Noise EIN Unweighted: -126dB 150 ohm.

Noise 20kHz Unweighted: -100dB

Distortion THD, IMD: 0.05% nominal

Frequency Response -3dB: 1Hz to 120kHz transformer limit.

System Bandwidth: DC to 1MHz

Output Meter: High quality, illuminated analog VU meter 0dB = +4dB.

Peak Meter: Bi-color LED's 0dB and +20dB peak detection circuit.

M5 Dimensions: 8.5 x 3.5 x 12 in (216 x 88 x 305mm) half rack width.

Weight: 15lbs (6.8kg)

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