Orange Acoustic Preamp

Engineered for both stage and studio use this valve design affords acoustic players the same warmth, natural compression and rich harmonics previously only available to electric guitarists and hi-fi audiophiles.

Channel A is a unique ECC83/12AX7 valve channel for active and passive instruments. The valve circuitry operates in a totally different way to most electric guitar amplifiers and has been designed to amplify a much wider frequency range in order to capture every subtle nuance of acoustic instruments.

The tonal effect of the valve can be fine-tuned with the preamp’s ‘Heat’ control which adds gain in the upper mid range and above, whilst also adding subtle compression.

This can be used to revoice this channel depending on the playing style. Backing off the Heat offers a warmer attack for flatpickers, whilst turning it up adds more presence and sparkle for fingerstyle.

The analogue solid state Channel B has a different, slightly softer character with outstanding clarity. This channel has inputs for either a microphone or an instrument, and features switchable 48V phantom power.

Both channels can be used independently or blended together – perfect for the modern player who combines multiple sound sources.

Each channel has a three-band EQ with a semi-parametric mid control, plus switches to correct feedback issues on stage and phasing problems between dual-source pickups.

The tone shaping options have been voiced to perfectly control the natural body and ‘air’ of acoustic instruments, whilst the onboard stereo reverb adds stunning ambience if desired.

On the rear, the preamp features flexible routing options, including independent effects loops and balanced DI outputs for each channel. Handmade in the UK the Orange Acoustic Pre has already been a hit with major artists.

Prototypes have already gone straight into the touring rigs of Stevie Wonder for use with his Harpejji and fingerstyle jazz guitarist Martin Taylor MBE.

Specifications

• CHANNEL A INPUT IMPEDANCE: 2.2 Mohms
• CHANNEL B XLR INPUT IMPEDANCE: Minimum 6 Kohms
• CHANNEL B JACK INPUT IMPEDANCE: 2.2 Mohms
• FX SEND LEVEL: -10Dbu
• FX SEND IMPEDANCE: Sub 150 Ohms
• FX RETURN LEVEL: -10Dbu
• FX RETURN IMPEDANCE: 10 Kohms
• LINE OUTPUT LEVEL: -10Dbu
• LINE OUTPUT IMPEDANCE: Sub 150 Ohms
• MAIN OUTPUT LEVEL: +4Dbu
• MAIN OUTPUT IMPEDANCE: Sub 60 Ohms
• DIMENSIONS: 29X15X9Cm (11.41 X 5.90 X 3.54″)
• WEIGHT: 2.5Kg (5.51Lbs)

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