does the 32 channel mixer have a talkback input somewhere?

Yes on your master input section on the back of the board has an XLR input labeled “TB”

how many rack spaces?

The Soundcraft GB2R 16 Compact Rack-Mounted 16-Channel Mixer Console requires a minimum of 10U Rack Spaces to have this mounted in a 19" Rack. You may refer to this link for info - https://www.soundcraft.com/en/product_documents/soundcraft-gb2r-td-pdf.

Gb8 48 Channel | Desertcart Austria

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 16243.32

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In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

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Description

🎧 Elevate your sound game with the GB8 — where pro mixing meets flawless control.

CLASSIC MEETS MODERN - Integrated 1kHz oscillator and LED meter bridge emulate vintage VU meter ballistics for precise level monitoring.
DUAL MODE VERSATILITY - Seamlessly switch between FOH and monitor duties with fader control over groups and aux outputs.
PHANTOM POWER YOUR WAY - Individually switched 48V phantom power on every mono input ensures perfect mic compatibility.
FLEXIBLE ROUTING FOR EVERY SETUP - 8 aux sends switchable between pre/post fader modes to customize your monitoring and effects.
PRECISION CONTROL AT YOUR FINGERTIPS - 48 professional channels with GB30 mic preamps and 4-band EQ deliver studio-grade sound shaping.

The Soundcraft GB8 48-Channel Mixer Console is a professional-grade audio mixer designed for venues, churches, and touring systems. Featuring 48 channels with high-quality GB30 mic preamps, 4-band EQ, 8 flexible aux sends, and individually switchable 48V phantom power, it offers versatile routing and precise control. Its dual-mode topology supports both FOH and monitor applications, complemented by a 1kHz oscillator and LED meter bridge that mimics classic VU meters. Built for reliability and pro performance, the GB8 is a trusted choice for serious audio professionals.

Specifications

ASIN	B00IPQYGFG
Audio Input	XLR
Best Sellers Rank	#232,519 in Musical Instruments ( See Top 100 in Musical Instruments ) #484 in Unpowered Recording Mixers
Brand	Soundcraft
Brand Name	Soundcraft
Connectivity Technology	Auxiliary
Customer Reviews	5.0 out of 5 stars 1 Review
EU Spare Part Availability Duration	5 Years
Global Trade Identification Number	00688705209623
Item Type Name	Soundcraft GB8 48 Professional 48-Channel Mixer Console (GB8 48)
Item Weight	105 Pounds
Manufacturer	Soundcraft
Manufacturer Part Number	RW5709SM
Model Number	GB8 48
Number of Channels	48
Output Connector Type	XLR
Output Connector type	XLR
Power Source	Corded Electric
UPC	688705209623
Unit Count	1.0 Count
Warranty Description	Manufacturers limited product warranty for soundcraft products applies only when the purchase is made from soundcraft authorized north american dealers. See soundcraft website for all details.

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€ 16243.32

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.