} Lake People F355 Microphone Preamplifier — Pro Audio Reserve
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lake people preamp f355

Lake People F355 Microphone Preamplifier

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$2,399.00
$1,999.00
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Description

Lake People F355 Microphone Preamplifier

Lake People F355 Class-A active feedback input topology

Class-A Input Stage With Active Feedback

The F355's Class-A active feedback topology keeps the input transistors operating in their most linear region regardless of signal level. This eliminates crossover distortion and maintains consistent harmonic structure from the quietest ribbon mic whisper to the loudest condenser capsule output. The result is a preamp that doesn't change character as you increase gain—it just gets louder while maintaining the same transparent, uncolored amplification. Combined with the 12-step switched gain (0 to +66dB) and deactivatable ±5dB fine adjustment, you get both repeatable positioning and the ability to dial in that last half-dB of gain when matching stereo pairs. The fine adjustment has a center detent so you can quickly return to your stepped gain position, and it can be bypassed entirely when you need absolute channel matching. Check out our studio microphones to pair with this reference-grade amplification.

 F355 variable lo-cut filter sweep from 12Hz to 250Hz

Variable Lo-Cut Filter That Targets Problem Frequencies

Most preamps give you a fixed high-pass filter at 80Hz or 100Hz—take it or leave it. The F355's variable lo-cut sweeps continuously from 12Hz to 250Hz with a 12dB/octave slope, so you can set the corner frequency exactly where you need it. Recording a male voice with heavy proximity buildup? Dial in 120Hz. Tracking upright bass and want to preserve the fundamental while cutting stage rumble? Set it to 35Hz. The filter is completely bypassable, and when engaged, it doesn't introduce phase shift in the passband the way some gentler slopes do. This level of control matters when you're working with sources that have problematic low-frequency content but you don't want to sacrifice the weight and body that makes them sound natural.

 Lake People F355 intelligent muting system and dual outputs

Intelligent Muting And Dual Outputs Per Channel

The programmable intelligent muting system automatically suppresses the transient pops and thumps that occur when plugging or unplugging microphones with phantom power engaged. It monitors the signal path and engages a fast mute circuit when it detects these anomalies, protecting your monitors and downstream gear from potentially damaging impulses. Each channel provides two balanced XLR outputs—four total across the unit—so you can feed a recorder and a monitor mix simultaneously, or split signals to different processing chains without external splitters. The 16-segment LED meters use fast ballistics to catch transient peaks that average-responding meters miss, with separate clip indicators to warn you when you're approaching the +25dBu maximum output level. Front-panel calibration lets you adjust the meter range to match your workflow, whether you're tracking hot or working with conservative levels.

Highlights

  • Class-A active feedback input stage maintains linearity across the entire gain range
  • Twelve-step switched gain (0-66dB) plus deactivatable ±5dB fine adjustment with center detent
  • Variable lo-cut filter sweeps from 12Hz to 250Hz with 12dB/octave slope
  • Programmable intelligent muting system eliminates cable pop transients automatically
  • -129dB signal-to-noise ratio at 60dB gain with less than 0.001% THD+N
  • Dual balanced XLR outputs per channel (four total) for flexible signal routing
  • 16-segment LED meters with separate clip indicators and front-panel calibration

Lake People F335 Specifications

Specification Details
Item Number 1006304
Dimensions 483 x 44 x 166 mm (W x H x D)
Max. Input Voltage > +21 dBu (> +33 dBu with Pad)
Housing Form 19" / 1U Rackmount (Stainless Steel)
Output Impedance < 30 Ohm
Additional Features Class-A Input, Variable Lo-Cut, Pad, 48V Phantom Power, Phase Reverse, 16-Stage Level Meter
Line I/O 0 Input / 4 Outputs (2 per Channel, XLR)
Max. Output Level > +25 dBu
Mic Gain 0 - +66 dB (12 Steps of 6 dB + ±5 dB Fine Trim)
Power Supply Internal 230 V / 115 V AC (Switchable)
THD+N (@ -1 dBFs) < 0.001 %
Frequency Range 5 Hz - 150 kHz (-3 dB)
Signal-to-Noise Ratio (SNR) -129 dB (@ 60 dB gain)
Lo-Cut Filter 12-250 Hz Variable, 12 dB/Octave (Switchable)
Pad Switch -12 dB Pre-Attenuation
Amplifier Channels 2
Inputs 2 x XLR (Electronically Balanced)
Outputs 4 x XLR (2 per Channel, Balanced)
Phantom Power 48V Switchable per Channel

What's in the Box

Included Items
Lake People F355 Microphone Preamplifier
Power Cord
Manual
Shipping

Shipping & Returns

  • We deliver all US orders in 3–5 business days
  • Free cancellations
  • Returns accepted within 30 days (unused items)

Order Confirmation

Once your order is placed, you will receive an order confirmation email. This confirms that we have received your order and have pre-authorized your credit card for the purchase. After confirming availability with our suppliers, we will proceed accordingly:

  • If your item is available and ready to ship within 1–2 business days, we will process the charge and arrange for shipment.

  • If your item is on backorder or unavailable, the pre-authorization will be voided and you will be notified by email.

  • Please note: While most items ship out within 1–2 business days, total delivery time is typically 3–5 business days, depending on your location and carrier handling.

Order Shipment

If your item is in stock and your payment has been processed, your order will typically ship within 1–2 business days. Total delivery time is approximately 3–5 business days from the date of order. Once shipped, you will receive tracking information at the email address provided during checkout within 24 hours of dispatch.

If you have not received tracking information within 3–5 business days of placing your order, please contact us at support@proaudioreserve.com.

The Distributor-Direct Advantage

To ensure you receive the most recent hardware revisions and 100% factory-sealed units, Pro Audio Reserve utilizes a Distributor-Direct fulfillment model. Unlike big-box retailers that may ship "floor models" or gear that has been sitting in general-purpose warehouses, your equipment is pulled directly from the primary manufacturer hub, serialized, and dispatched. This process ensures the highest level of quality control for professional-grade recording equipment.

Shipping Policy

We currently offer free shipping within the United States only. If the checkout process on our website allows you to enter a shipping address and complete your order, your location is eligible to receive delivery.

Changing Shipping Address

If you need to change your shipping address after your order has been processed or shipped, we will do our best to accommodate the request. Please note that address changes may result in delivery delays. Any additional costs incurred due to address changes, including carrier fees or rerouting charges will be the responsibility of the customer. No exceptions.

Shipping Times

All shipping times provided are estimates and should not be considered guarantees. Most orders ship out within 1–2 business days from the time payment is processed. However, total delivery time is typically 3–5 business days, depending on your location, carrier performance, and supplier fulfillment timelines.

We work closely with our vendors to ensure timely deliveries, but please note that supply chain disruptions, high-demand periods, or weather events may occasionally cause delays beyond our control.

  • To avoid misunderstandings: The “shipping time” refers to the total time from order placement to final delivery, not just when the item leaves the warehouse.

  • Cancellations: If you choose to cancel your order because it has not arrived within the estimated delivery window, you may be responsible for applicable shipping charges, restocking fees, warehouse handling costs, and other related fees.

  • Chargebacks: Customers who initiate chargebacks due to shipping delays without contacting us first may be held legally responsible for losses. We strongly encourage open communication so we can resolve any delivery concerns directly and efficiently via our Atlanta-based support team.

Delivery Options

  • Threshold Shipping: Your item will be delivered to your front door, porch, garage, or a covered entryway.

 

Why Buy From Us

We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at ProAudioReserve.

  • Free Shipping USA wide. 
  • 30 Day Easy Returns. Not happy with your product, we'll take it back noquestions asked.
  • Great Service. We pride ourselves on the best service, anywhere.

Reviews

Customer Reviews

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Description

Lake People F355 Microphone Preamplifier

Lake People F355 Class-A active feedback input topology

Class-A Input Stage With Active Feedback

The F355's Class-A active feedback topology keeps the input transistors operating in their most linear region regardless of signal level. This eliminates crossover distortion and maintains consistent harmonic structure from the quietest ribbon mic whisper to the loudest condenser capsule output. The result is a preamp that doesn't change character as you increase gain—it just gets louder while maintaining the same transparent, uncolored amplification. Combined with the 12-step switched gain (0 to +66dB) and deactivatable ±5dB fine adjustment, you get both repeatable positioning and the ability to dial in that last half-dB of gain when matching stereo pairs. The fine adjustment has a center detent so you can quickly return to your stepped gain position, and it can be bypassed entirely when you need absolute channel matching. Check out our studio microphones to pair with this reference-grade amplification.

 F355 variable lo-cut filter sweep from 12Hz to 250Hz

Variable Lo-Cut Filter That Targets Problem Frequencies

Most preamps give you a fixed high-pass filter at 80Hz or 100Hz—take it or leave it. The F355's variable lo-cut sweeps continuously from 12Hz to 250Hz with a 12dB/octave slope, so you can set the corner frequency exactly where you need it. Recording a male voice with heavy proximity buildup? Dial in 120Hz. Tracking upright bass and want to preserve the fundamental while cutting stage rumble? Set it to 35Hz. The filter is completely bypassable, and when engaged, it doesn't introduce phase shift in the passband the way some gentler slopes do. This level of control matters when you're working with sources that have problematic low-frequency content but you don't want to sacrifice the weight and body that makes them sound natural.

 Lake People F355 intelligent muting system and dual outputs

Intelligent Muting And Dual Outputs Per Channel

The programmable intelligent muting system automatically suppresses the transient pops and thumps that occur when plugging or unplugging microphones with phantom power engaged. It monitors the signal path and engages a fast mute circuit when it detects these anomalies, protecting your monitors and downstream gear from potentially damaging impulses. Each channel provides two balanced XLR outputs—four total across the unit—so you can feed a recorder and a monitor mix simultaneously, or split signals to different processing chains without external splitters. The 16-segment LED meters use fast ballistics to catch transient peaks that average-responding meters miss, with separate clip indicators to warn you when you're approaching the +25dBu maximum output level. Front-panel calibration lets you adjust the meter range to match your workflow, whether you're tracking hot or working with conservative levels.

Highlights

  • Class-A active feedback input stage maintains linearity across the entire gain range
  • Twelve-step switched gain (0-66dB) plus deactivatable ±5dB fine adjustment with center detent
  • Variable lo-cut filter sweeps from 12Hz to 250Hz with 12dB/octave slope
  • Programmable intelligent muting system eliminates cable pop transients automatically
  • -129dB signal-to-noise ratio at 60dB gain with less than 0.001% THD+N
  • Dual balanced XLR outputs per channel (four total) for flexible signal routing
  • 16-segment LED meters with separate clip indicators and front-panel calibration

Lake People F335 Specifications

Specification Details
Item Number 1006304
Dimensions 483 x 44 x 166 mm (W x H x D)
Max. Input Voltage > +21 dBu (> +33 dBu with Pad)
Housing Form 19" / 1U Rackmount (Stainless Steel)
Output Impedance < 30 Ohm
Additional Features Class-A Input, Variable Lo-Cut, Pad, 48V Phantom Power, Phase Reverse, 16-Stage Level Meter
Line I/O 0 Input / 4 Outputs (2 per Channel, XLR)
Max. Output Level > +25 dBu
Mic Gain 0 - +66 dB (12 Steps of 6 dB + ±5 dB Fine Trim)
Power Supply Internal 230 V / 115 V AC (Switchable)
THD+N (@ -1 dBFs) < 0.001 %
Frequency Range 5 Hz - 150 kHz (-3 dB)
Signal-to-Noise Ratio (SNR) -129 dB (@ 60 dB gain)
Lo-Cut Filter 12-250 Hz Variable, 12 dB/Octave (Switchable)
Pad Switch -12 dB Pre-Attenuation
Amplifier Channels 2
Inputs 2 x XLR (Electronically Balanced)
Outputs 4 x XLR (2 per Channel, Balanced)
Phantom Power 48V Switchable per Channel

What's in the Box

Included Items
Lake People F355 Microphone Preamplifier
Power Cord
Manual
Shipping

Shipping & Returns

  • We deliver all US orders in 3–5 business days
  • Free cancellations
  • Returns accepted within 30 days (unused items)

Order Confirmation

Once your order is placed, you will receive an order confirmation email. This confirms that we have received your order and have pre-authorized your credit card for the purchase. After confirming availability with our suppliers, we will proceed accordingly:

  • If your item is available and ready to ship within 1–2 business days, we will process the charge and arrange for shipment.

  • If your item is on backorder or unavailable, the pre-authorization will be voided and you will be notified by email.

  • Please note: While most items ship out within 1–2 business days, total delivery time is typically 3–5 business days, depending on your location and carrier handling.

Order Shipment

If your item is in stock and your payment has been processed, your order will typically ship within 1–2 business days. Total delivery time is approximately 3–5 business days from the date of order. Once shipped, you will receive tracking information at the email address provided during checkout within 24 hours of dispatch.

If you have not received tracking information within 3–5 business days of placing your order, please contact us at support@proaudioreserve.com.

The Distributor-Direct Advantage

To ensure you receive the most recent hardware revisions and 100% factory-sealed units, Pro Audio Reserve utilizes a Distributor-Direct fulfillment model. Unlike big-box retailers that may ship "floor models" or gear that has been sitting in general-purpose warehouses, your equipment is pulled directly from the primary manufacturer hub, serialized, and dispatched. This process ensures the highest level of quality control for professional-grade recording equipment.

Shipping Policy

We currently offer free shipping within the United States only. If the checkout process on our website allows you to enter a shipping address and complete your order, your location is eligible to receive delivery.

Changing Shipping Address

If you need to change your shipping address after your order has been processed or shipped, we will do our best to accommodate the request. Please note that address changes may result in delivery delays. Any additional costs incurred due to address changes, including carrier fees or rerouting charges will be the responsibility of the customer. No exceptions.

Shipping Times

All shipping times provided are estimates and should not be considered guarantees. Most orders ship out within 1–2 business days from the time payment is processed. However, total delivery time is typically 3–5 business days, depending on your location, carrier performance, and supplier fulfillment timelines.

We work closely with our vendors to ensure timely deliveries, but please note that supply chain disruptions, high-demand periods, or weather events may occasionally cause delays beyond our control.

  • To avoid misunderstandings: The “shipping time” refers to the total time from order placement to final delivery, not just when the item leaves the warehouse.

  • Cancellations: If you choose to cancel your order because it has not arrived within the estimated delivery window, you may be responsible for applicable shipping charges, restocking fees, warehouse handling costs, and other related fees.

  • Chargebacks: Customers who initiate chargebacks due to shipping delays without contacting us first may be held legally responsible for losses. We strongly encourage open communication so we can resolve any delivery concerns directly and efficiently via our Atlanta-based support team.

Delivery Options

  • Threshold Shipping: Your item will be delivered to your front door, porch, garage, or a covered entryway.

 

Why Buy From Us

We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at ProAudioReserve.

  • Free Shipping USA wide. 
  • 30 Day Easy Returns. Not happy with your product, we'll take it back noquestions asked.
  • Great Service. We pride ourselves on the best service, anywhere.

Reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
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