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Fostex 350

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Page last updated Dec 07, 2025

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Description

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The Fostex 350 mixer is a versatile tool for musicians and audio engineers alike, offering a rich set of features to enhance your studio recording experience. Designed for those who require a dependable and straightforward mixing solution, the Fostex 350 stands out with its 8-channel input capability, allowing for a comprehensive mix of various audio sources. This mixer is perfect for handling small to medium-sized recording sessions, making it an essential component in any home or project studio setup.

Each channel on the Fostex 350 is equipped with a 3-band equalizer, providing precise control over your sound's tonal balance. The mixer also includes a built-in effects send and return, enabling seamless integration with external effects processors for added sonic creativity. With a user-friendly interface, the Fostex 350 ensures that both novice and experienced users can navigate its features effortlessly.

Additionally, the Fostex 350 includes auxiliary inputs and outputs to facilitate easy connection with other audio equipment. The robust build quality ensures durability, making it a reliable choice for long-term use. Whether you're mixing live recordings or crafting the perfect studio track, the Fostex 350 provides the flexibility and control needed to achieve professional results.

Key Features:

8-channel input capability for comprehensive mixing
3-band equalizer on each channel for precise tonal control
Built-in effects send and return for external effects integration
User-friendly interface suitable for all experience levels
Auxiliary inputs and outputs for versatile connectivity
Durable build quality for long-term reliability

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Fostex 350.

Features and functionality

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The Fostex 350 has all mono channels and uses PCB opamp-based pre-amps, known to be less celebrated when new, but appreciated for their vintage character today.
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Includes a meter bridge, a feature significant in tracking down parts for restoration. Original meter bridge knobs might need 3D printing due to scarcity.
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Setup and maintenance

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Regular use of contact cleaner is recommended for maintaining pot functionality and reducing crackling on older units like the Fostex 350.
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Ensuring everything connected to the mixer is grounded and unused channels are zeroed can help minimize noise and feedback issues.
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Mods and upgrades

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Some owners suggest replacing capacitors in the power supply to reduce hum and noise levels, though this requires a level of technical expertise.
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User experience

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The EQs on the Fostex 350 are described as "crunchy," offering a unique character when driven hard, appealing to those seeking a vintage sound.
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Enthusiasts highlight the appeal of using older, larger analog mixers for their low noise and unique overdriven sound character, though space can be a constraint.
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Use cases and applications

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Some users integrate the Fostex 350 with a Yamaha Motif, Omnichord, and Boss DR-110/DR-55 for expanded channel capacity and submixing capabilities.
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Comparisons

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Owners often compare large analog desks like the Fostex 350 to rack line mixers for their expanded I/O and routing potential, despite the latter's smaller footprint.
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Critic Reviews

Fostex 350 Mixer (EMM Apr 82)

muzines.co.uk

The Fostex 350 Mixer offers impressive versatility for its size and price, making it ideal for small studio setups. Its compact design, low noise operation, and flexible routing options are standout features. Though accessing rear connections can be cumbersome once the optional meter bridge is attached, the unit's overall functionality outweighs these minor inconveniences. While the EQ section takes some getting used to, it ultimately provides excellent tonal control. The build quality is robust despite a somewhat plastic feel, ensuring durability. Lacking some features like a built-in oscillator, the 350 still manages to deliver exceptional performance, making it a highly recommended choice for maintaining off-tape quality.

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