The HQS 7001 is a reference mono power amplifier, which remarkable performance is bettered only by JMF Audio’s flagship HQS 9001 reference mono amplifier.

For further information, please refer to the main page > Power amplifiers

Input

- Impedance

20kΩ

XLR - metal case, gold contacts

- Connection

100dB typ., based on psychoacoustic criteria

- Interference rejection

34.6 dB (all models have the same voltage gain which eases multi-amplification)

Gain

Output

- Output current capability

112A

Technical specifications:

Hand calibrated precision balanced input stage (impedance matched to PRS 1.5)

- Type

Level metering (-15dB to +3dB, deactivatable), Input offset, Overload, High temperature

Monitoring

300W / 8Ω 500W / 4Ω 850W / 2Ω

- Output power RMS

> 1.5Ω recommended (tested down to 1Ω at full output power at the manufacture)

- Load impedance

JMF Audio LSS dia. 6mm (120A continuous rated) and gold plated WBT for forks or wires

- Connection

Better than 0.1dB  3Hz..20kHz for 250W / 4Ω, small signals better than -1dB at 100kHz

Bandwidth

Better than 0.01% for 250W / 4Ω at 1kHz (0.001% typ. un-loaded) BW. 20Hz-20kHz

THD+N

110dB typ. un-weighted BW. 20Hz-20kHz

Signal to noise ratio

Better than 1200 at 8Ω, wide-band

Damping factor

Direct coupling

Audio signal coupling

Automatic protection against high frequency large signals
Automatic protection against input offset voltage and subsonic (fc 3Hz)
Automatic protection against overheating
Automatic protection against overload and short circuits
Mains voltage supervision (protections activation reported on front panel)

Protection circuits

100, 120, 220-240 V AC - 50/60Hz (according to country of destination)

AC mains power supply

Passive cooling
Sealed case design (no air path inside amplifier, no dust).

Cooling

Orose® up to 16mm thick anodized aluminum external enclosure including steel controls and rose-gold.

Enclosure

482 wide (front panel) x 539 deep x 149 high mm including feet (19” wide x 21.5” deep x 5.9” high)

Dimensions (version G)

34 kg /pc (75 lbs /pc)

Net weight (version G)

Silver or Black anodizing

Finishes

Voltage values are RMS. Measures on 230V AC power supply after 100 hours of operation. Specifications are based on the manufactured products at date of writing and may change with product evolution. Measurements with Audio Precision APX 555 equipment.

For further information, please refer to the main page > Power amplifiers