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