Wharfedale Pro S1500 Power Amplifier



320W RMS per channel @ 8ohms

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Professional Power Amplifiers S Series

The S-Series from Wharfedale Pro are dual channel sound reinforcement amplifiers, the range consists of three models: S-1000, S-1500 and S-2500.

Each model is packed into a convenient, two rack space unit with identical functional layout. Each model offers a different power rating allowing for varied and flexible sound reinforcement applications.

The front panel of the S-Series models provides simple, real-time status conditions with LED indicators for Power, Protect, Bridge, Peak and Signal Present along with convenient operating controls that include a power switch and volume controls for each of the two input channels.

Various mode assignments are provided on the rear panel with easy-to-use mode switches that provide assignment options such as signal limiting, low cut filter engagement and frequency selection, stereo and mono input mode selection and output bridging.

Also featured are industry standard XLR and ¼” balanced input jacks along with 4 pin, NL-4 style Speakon™ output jacks and standard binding post output connectors. Multiple wiring output configurations are available.

The S-Series amps are fan-cooled with a cage-protected, rear panel mounted fan that provides adequate air-flow to internal components. An integral AC power circuit breaker is provided on the rear panel with a standard IEC receptacle for AC supply.


Output power  

300 Watts per channel into 8 ohms (0.1% THD @ 1kHz)

480 Watts per channel into 4 ohms (0.1% THD @ 1kHz)

650 Watts per channel into 2 ohms (0.1% THD @ 1kHz)

Bridged 910 Watts into 8 ohms (0.1% THD @ 1kHz)

1200 Watts into 8 ohms (0.1% THD @ 1kHz)

THD + N <0.02%

Frequency Response 20Hz – 20kHz 0/-0.5dB

10Hz – 40kHz 0/-2dB

Hum and Noise -95dB

Voltage Gain 33dB

Input Sentivity 0.88V / 1.11dBu

Maximum Input Level +22dBu

Input Impedance Balanced: 20kΩ Unbalanced: 10kΩ


Low Cut Filter 50Hz-6dB(-12dB/oct); 30Hz-6dB(-12dB/oct)

SIGNAL Indicators Turns on approx -35dBu

CLIP Indicators Turns on approx 490Wx2/4Ω output

Limiter Turns on approx 506Wx2/4Ω output

Amplifier Protection Mute function; DC detection; Overload and short detection; Temperature detection

Power Amp Type Class AB complementary linear output

AC Power Options AC100V / 120V / 220V / 240V, 50/60Hz

Dimensions (mm) (HxWxD)  96mm x 482.6mm x 427mm

Dimensions (inches) (HxWxD)  3.8″ x 19″ x 16.8″

Weight  16.3kg/35.9lbs

* Appearance and specifications of this product are subject to change without notice.
Weight 19 kg
Dimensions 55 × 55 × 55 cm


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