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Alpine® R-Series Mono Power Density Amplifier

Model #: R-A75M

At a Glance

The new R-Series amplifiers produce accurate imaging and dependable power. Use them with the R-Series speakers and amplifiers for a loud and fun experience.

WarningProposition 65 Warning for California Residents
Alpine® R-Series Mono Power Density Amplifier

General Specs

ColorBlack
Depth (in.)7.88
Width (in.)10.75
Height (in.)2
Preamp Outputs1
Amplifier ClassClass D
Bluetooth CapableNo
Amplifier ChannelsMono Block
Impedance2 - 4 Ohms
RMS Power Handling (Watts)750
Water ResistantNo
Digital InputNo
Shallow MountNo
Speaker Level InputYes
Number Of Outputs2
Minimum Impedance Unbridged2 Ohm
CollectionR-Series
Number Of Inputs1
Product Weight (lbs.)7

Alpine® R-Series Mono Power Density Amplifier

Model #: R-A75M
373942
Model #: R-A75M
Alpine
$99,999.00

Available in Store Only

At a Glance

The new R-Series amplifiers produce accurate imaging and dependable power. Use them with the R-Series speakers and amplifiers for a loud and fun experience.

Get to know this product.

Alpine’s Class D Amplifier Circuit

CTA-2006-B Power Rating: 500W RMS x 1 (4omh, 14.4V, < 1% THD+N); 750W RMS x 1 (2ohm, 14.4V, < 1% THD+N)

S/N ratio: > 85dB (ref. 1W into 4ohm)

THD+N < 0.02% (ref. 1W into 4ohm)

Frequency Response: 10Hz to 400 Hz (+/- 3dB)

Damping Factor: > 1500

Remote bass knob compatible (requires RUX-KNOB.2, sold separately)

Hi-Resolution Audio Complaint

The R-Series amplifiers utilize Alpine’s advanced amplifier platform that takes the classic Class-D amplifier circuit and adds dual post-filter feedback loops for unmatched accuracy and control. This technology., originally launched in the premium X-Series amplifiers,, produces efficient power with enhanced dynamic range, qualifying the R-Series amplifiers to be Hi-Resolution Audio compliant.

Proper Sound Stage

This new technology minimizes audible imperfections like excessive phase shift and internal noise which can deteriorate sound quality. With an incredibly low phase shift of 46°, the R-A60F 4-channel amplifier delivers accurate imaging compared to well over 100° of phase shift by a competitive amplifier model. This superior phase curve ensures a proper sound stage among the singers and instruments.

Next Level System Builds

R-Series amplifiers have a built-in bandpass filter which lets you design an active speaker set-up without a separate processor. Improve the sound quality of component speakers by ditching your passive network. Avoid added phase shifts and power losses by individually powering each component and assigning your own frequency bands for the incredible sound you’re looking for.

The Loudest Family On The Block

The “R” line of speakers and subwoofers have a heritage of sound quality you can hear from a block away, and the newly added R-Series amplifiers are no exception. Aside from their best-in-class performance, these amplifiers are tuned to emphasize the characteristics of the R-Series speakers and subwoofers, giving you that legendary R-Series experience .

Useful Documents
Specifications

General Specs

ColorBlack
Depth (in.)7.88
Width (in.)10.75
Height (in.)2
Preamp Outputs1
Amplifier ClassClass D
Bluetooth CapableNo
Amplifier ChannelsMono Block
Impedance2 - 4 Ohms
RMS Power Handling (Watts)750
Water ResistantNo
Digital InputNo
Shallow MountNo
Speaker Level InputYes
Number Of Outputs2
Minimum Impedance Unbridged2 Ohm
CollectionR-Series
Number Of Inputs1
Product Weight (lbs.)7
WarningProposition 65 Warning for California Residents