The Onkyo Grand Integra M-508 is a powerhouse amplifier that combines classic elegance with high-fidelity performance. Its dual-mono construction and robust power delivery ensure pristine sound clarity and dynamic range. With a striking design and meticulous engineering, the M-508 delivers an unparalleled audio experience.
This amp was previously mounted in a rack, and doesn't come with the wood cheeks.
- Production
- 1987-93
- Condition
- 8/10
- Serial No.
- 37142002260
- Orig. MSRP
- $1200
- Restoration
- Cleaned control contacts
- Verified power output meets mfg spec of 200 watts per channel RMS
- Reattached left meter glass
- Verified input operation
- Verified operation of power meters
- The lights in this unit were previously replaced with white LED
- Factory Specs
Type Solid State Amplifier
Power output 200 watts per channel into 8Ω (stereo)
Frequency response 1Hz to 100kHz
Total harmonic distortion 0.003%
Damping factor 140
Input sensitivity 1V
Signal to noise ratio 120dB
Dimensions 18.3"W x 7.3"H x 16.75"D
Weight 56 lbs.
- Documentation
Onkyo M-508 Service Manual
Onkyo Grand Integra Advert, 1987
- Liner Notes
- The M-508 is an impressive-looking piece of hardware, with good, clean metalwork finished in flat black on all sides, and two unusually large (6!9 wide), black front-panel meters. Their calibrations and indicator needles are edge-lit making for quite a sexy appearance. The meters are described as "high-speed" types, and are optimistically calibrated up to 500W and +4dB—the latter relative to a 200W 0dB level.
- Stock No.
- 8599435772125
The Onkyo Grand Integra M-508 is a powerhouse amplifier that combines classic elegance with high-fidelity performance. Its dual-mono construction and robust power delivery ensure pristine sound clarity and dynamic range. With a striking design and meticulous engineering, the M-508 delivers an unparalleled audio experience.
This amp was previously mounted in a rack, and doesn't come with the wood cheeks.
