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1.5-inch compression driver · 74 mm voice coil

RCF CD850 1.4 8Ω

Name: RCF CD850 1.4 8 Ohm
Brand: RCF
SKU: CD850 1.4
Availability: InStock

8 Ω · 500–20000 Hz

£150.30

Steady

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SPL: 109dB
Pe: –
Xover: –
Throat: 36mm
VC: 74mm

See all 8 specs

Specifications

Published by Lean Business

Retailer page

RCF CD850 1.4 is a 1.5-inch 8 ohm compression driver. The source-backed specifications include sensitivity 109 dB, range from 500 Hz, to 20000 Hz, throat 35.5 mm. bits tracks UK vendor pricing, price movement, and datasheet links, with a current best price of £150.30.

Partial source evidence

Some core compression-driver specifications are not published for this record. Automated T/S validation applies to LF drivers only and is not run for this category.

Material fields not published: Power

Retailer page linked
Canonical units normalized for comparison

Retailer source Validation methodology

Motor and cone

Voice coil Vendor: 74mm
Flux density Vendor: 1.90T

Power and response

Sensitivity Vendor: 109dB
Impedance Vendor: 8Ω
Min. impedance Vendor: 8.5Ω
Range: 500–20000Hz
Throat Vendor: 36mm

Other published values

Power Program Vendor: 220

Everything else RCF lists

HF · Primary · 1.4″

SPL: 109dB
Impedance: 8Ω
Flux density: 1.90T
Sensitivity: 109dB
Low limit: 500Hz
Power Program: 220
High limit: 20000Hz
Throat: 36mm
Manufacturer sensitivity: 109dB
Min. impedance: 8.5Ω
Voice coil: 74mm

Where to buy

UK shops, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Lean Business Checked 30 Sep 2026 · 8 Ω · Source: inc VAT · 20%	£150.30, the lowest price		Stock not listed	Visit shop at Lean Business
Blue Aran Checked 30 Sep 2026 · 8 Ω · Source: inc VAT · 20%	£159.62	6.2% above the lowest price	Stock not listed	Visit shop at Blue Aran

Best price over time

Tracked since 1 Apr