} Heritage Audio Tubesessor Optical Tube Compressor — Pro Audio Reserve
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Heritage Audio Tubesessor Optical Tube Compressor

$1,999.00
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Description

Heritage Audio Tubesessor Optical Tube Compressor

The Heritage Audio Tubesessor is a single-channel optical tube compressor built for engineers who want smooth, musical dynamics control with the option of harmonic enhancement. Designed around an optical detection circuit and a fully tube-based amplification stage, it delivers controlled compression while maintaining clarity, depth, and headroom.

Heritage Audio Tubesessor front panel

Optical Compression with Natural Movement

The Tubesessor uses a custom opto cell to produce smooth, program-dependent compression with the natural response associated with classic optical designs. This makes it especially effective on vocals, bass, and primary mix elements where transparency and control are critical.

Continuously adjustable Attack and Release controls allow precise shaping, while a Fixed mode provides consistent operation when a streamlined workflow is preferred.

Heritage Audio Tubesessor tube saturation section

Integrated Tube Saturation Circuit

The dedicated Tube Saturation section extends the Tubesessor beyond standard compression. Using a NOS Raytheon double triode tube and a custom output transformer, it offers four selectable modes ranging from clean operation to aggressive harmonic coloration.

This section can be used subtly for depth and density or pushed for added harmonic texture on drums, guitars, and synths.

Heritage Audio Tubesessor rear panel connections

Transformer-Balanced Tube Design

The Tubesessor features an all-tube amplification stage with a vintage-spec AMI input transformer and a custom silicon steel output transformer. A dual-output triode configuration increases available headroom while maintaining tonal integrity.

Five selectable sidechain filter settings allow low-frequency control and frequency-focused compression shaping. A large VU meter is selectable for Input, Output, or Gain Reduction monitoring.

Key Features

  • Optical compression detection circuit
  • All tube-based amplification stage
  • Fully transformer-balanced input and output
  • Tube Saturation section with four selectable modes
  • Continuously adjustable Attack and Release controls plus Fixed mode
  • Five internal sidechain filter settings
  • Large VU meter selectable for Input, Output, or Gain Reduction
  • 3U rackmount format

Technical Specifications

Type Optical Tube Compressor
Channels 1
Threshold -40dB to 0dB
Ratio 2:1 to 10:1
Frequency Response 20Hz–20kHz (±0.15dB)
Inputs 1 x XLR
Outputs 1 x XLR
Other I/O 1 x 1/4\" (stereo link)
Tubes 1 x CK5755, 1 x 12BH7A
Rack Spaces 3U
Dimensions 19\" W x 5.27\" H x 6.02\" D
Weight 8.03 lbs.
Manufacturer Part Number TUBESESSOR
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
Description

Heritage Audio Tubesessor Optical Tube Compressor

The Heritage Audio Tubesessor is a single-channel optical tube compressor built for engineers who want smooth, musical dynamics control with the option of harmonic enhancement. Designed around an optical detection circuit and a fully tube-based amplification stage, it delivers controlled compression while maintaining clarity, depth, and headroom.

Heritage Audio Tubesessor front panel

Optical Compression with Natural Movement

The Tubesessor uses a custom opto cell to produce smooth, program-dependent compression with the natural response associated with classic optical designs. This makes it especially effective on vocals, bass, and primary mix elements where transparency and control are critical.

Continuously adjustable Attack and Release controls allow precise shaping, while a Fixed mode provides consistent operation when a streamlined workflow is preferred.

Heritage Audio Tubesessor tube saturation section

Integrated Tube Saturation Circuit

The dedicated Tube Saturation section extends the Tubesessor beyond standard compression. Using a NOS Raytheon double triode tube and a custom output transformer, it offers four selectable modes ranging from clean operation to aggressive harmonic coloration.

This section can be used subtly for depth and density or pushed for added harmonic texture on drums, guitars, and synths.

Heritage Audio Tubesessor rear panel connections

Transformer-Balanced Tube Design

The Tubesessor features an all-tube amplification stage with a vintage-spec AMI input transformer and a custom silicon steel output transformer. A dual-output triode configuration increases available headroom while maintaining tonal integrity.

Five selectable sidechain filter settings allow low-frequency control and frequency-focused compression shaping. A large VU meter is selectable for Input, Output, or Gain Reduction monitoring.

Key Features

  • Optical compression detection circuit
  • All tube-based amplification stage
  • Fully transformer-balanced input and output
  • Tube Saturation section with four selectable modes
  • Continuously adjustable Attack and Release controls plus Fixed mode
  • Five internal sidechain filter settings
  • Large VU meter selectable for Input, Output, or Gain Reduction
  • 3U rackmount format

Technical Specifications

Type Optical Tube Compressor
Channels 1
Threshold -40dB to 0dB
Ratio 2:1 to 10:1
Frequency Response 20Hz–20kHz (±0.15dB)
Inputs 1 x XLR
Outputs 1 x XLR
Other I/O 1 x 1/4\" (stereo link)
Tubes 1 x CK5755, 1 x 12BH7A
Rack Spaces 3U
Dimensions 19\" W x 5.27\" H x 6.02\" D
Weight 8.03 lbs.
Manufacturer Part Number TUBESESSOR
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