Pioneer SX-1250 User Manual

Download

Specifications and Main Features

Model: Pioneer SX-1250

Dynamic Range: >100 dB

Output Power:

160W single channel at 8 ohm load
200W single channel at 4 ohm load

Intermodulation Distortion:

0.1% at 80 watts single channel at 8 ohm
0.05 % at 1 watt single channel at 8 ohm

THD (from AUX):

<0.1 % across selection frequency range : 20Hz - 20,000 Hz
<0.05% at 80 watts per channel output 8 ohms
<0.07% at 1 watt per channel output, 8 ohms

FM Sensitivity:

USE: MONO at 8.7 dB and STEREO at 14.5 dB
50-80 Mhz at a load of 300 ohm for stereo and mono configuration.

Damping Factor: 30

Damping sensitivity: 1 V/50k

Frequency response: 5 HZ to 100 Khz +/-9dB

Noise via Hum: 100 dB

In summary, SX-1250 model offers great sensitivity metrics when integrated with higher loads and an impedance of 300 ohm along with THD average of below 0.02%.

Signal-to-Noise Ratio at 65 dBf: MONO: 80 dB, STEREO: 74 dB
Distortion at 65dBf:
100 Hz MONO: 0.1%, STEREO: 0.25%
1 kHz MONO: 0.1%, STEREO: 0.2%
Frequency Response: 30 Hz to 15,000 Hz ±8 dB
Antenna Input: 300 ohms balanced, 75 ohms unbalanced

AM Section:

Usability of the device in basic terms (IHF, Ferrite antenna): 300 μV/m
Ratio on using select class devices: 40 dB
Ratio on using select class devices: 55 dB

Miscellaneous:

Input: 120V 60Hz
Power Ratings: 650 W (UL, CSA), 1200 W
Measurements: 556(W) x 186.5(H) x 464.5 D mm
Weight Not Included: 29.2 kg (64 lb 4 oz), With Package: 33.2 kg (73 lb 1 oz)

Frequently Asked Questions

Q1: What is the expected power consistency output from the device called SX-1250?

A1: Power consistency expected is 160 watts for each channel for an 8 ohm load 200 watts for each channel for a 4 ohm load.

Q2: Define the total harmonic distortion level at the rated power?

A2: For each channel which is producing an 8 ohm output equal to 80 watts the total harmonic distortion will be equal to 0.1% and 1 watt total harmonic distortion will be equal to 0.05%.

Q3: For PHONO X, what is the input threshold?

A3: PHONO X has a 2.5 sensitivity input threshold with 50 k ohm impedance.

Q4: Please provide sensitivity level differences of the fm reception?

A4: The mono sensitivity is usable around 8.7 dBf 3 0μV and stereo around 14.5 dBf 5.8 μV.

Q5: The SX-1250 Receiver dimensions?

A5: In mm, SX-1250 measures 556 (W) x 186.5 (H) x 464.5 (D).

Q6: Does there exist a protection circuit inside the amplifier?

A6: Yes, amplifiers have such circuitry with the aim of safeguarding the power amplifiers against excessive power and the speakers from any potential failure.

Q7: What Is the Power Consumption Of The Sx-1250?

A7: Power consumption is 650 W (UL, CSA) and peaks at 1200 W.