STATUS - SOLD
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Description :
The Integra M-508 is a miniature M-510 : same technology, same Real-Phase circuit. However, the box dwindles from 62kg to a mere 25 (still quite healthy !) and the overall build-quality goes with the price - not with the 950,000¥ of the M-510. Dual-transformers, too, but only one power cord and the eight caps amount to 80,000µF.

Specifications :
Continuous power...............................2x 200W (RMS, 20Hz...20kHz, 8Ohm, 0,003% THD)
                         ................................2x 215W (DIN, 1kHz, 4Ohm)
Dynamic power...................................2x 860W (1Ohm, IHF)
                      ...................................2x 685W (2Ohm, IHF)
                      ...................................2x 460W (4Ohm, IHF)
                      ...................................2x 265W (8Ohm, IHF)
THD...................................................0,003% at rated power
     ....................................................0,003% at 1W output
IMD...................................................0,003% at rated power
Frequency response...........................1Hz to 100kHz (+0 / -1,5dB)
Input..................................................1V
Damping factor...................................140 (1kHz, 8Ohm)
S/N ratio............................................120dB (A wtd., shorted)
Dimensions(w x d x h)........................47 x 42.5 x 19 cm
Weight..............................................27 kg

Miscellaneous :
Matching..........................................Onkyo P-308 Pre-Amplifier
Made in............................................Japan
Condition..........................................8 / 10 (Decent condition)

Product information :
http://audio-database.com/ONKYO/amp/integram-508-e.html
http://www.thevintageknob.org/THEVAULT2/P308M508/P308M508.html

Reviews :
http://www.audioreview.com/mfr/onkyo/amplifiers/m-508/PRD_116043_1583crx.aspx