AudioChainsDB
Denon

PMA-900HNE

amplifier

$1,049

Gebrauchtmarkt: $755*

Datenblatt des Herstellers

Technische Daten

3 von 5 Werten mit vermerkter Quelle
Amp Type
Integrated Stereo Amp·
Channels
2·
Speaker Outputs
·
Power Output Per Channel
{"thdPercent":0.07,"continuousWatts":50,"loadImpedance_ohms":8}, {"thdPercent":0.7,"continuousWatts":85,"loadImpedance_ohms":4}✓
Min Supported Impedance ohms
4✓

Kommentar des Toningenieurs

Headroom Notes

Both published figures are kept because only together do they mean anything. 50 W is into 8 ohms across 20 Hz - 20 kHz at 0.07 % THD; 85 W is into 4 ohms at a single 1 kHz tone and ten times the distortion. Denon's own product page leads with the second one: 'this amplifier delivers 2x 85W'.

Thermal Behavior

The manual splits the load allowance by terminal: 4 - 16 ohms on speaker set A or B alone, but 8 - 16 ohms when A and B run together. Two pairs of 8 ohm speakers wired to both sets is the case people actually hit, and it is the case the 4 ohm figure does not cover.

Was im Datenblatt tatsächlich steht

Wörtlich von der Herstellerseite zitiert, mit dem Datum der Prüfung. Wir behaupten das Gedruckte, nicht die Absicht dahinter.

Messbedingungen
«Rated output power: 2-channel driving (CD → SP OUT) 50 W + 50 W (8 Ω/ohms, 20 Hz - 20 kHz, T.H.D. 0.07 %) 85 W + 85 W (4 Ω/ohms, 1 kHz, T.H.D. 0.7 %)»

One amplifier, two power figures, three measurement conditions changed at once: the load halves from 8 to 4 ohms, the signal shrinks from the whole audio band to a single 1 kHz tone, and the permitted distortion rises from 0.07 % to 0.7 %. Denon's own product page for the same unit prints '50W per channel (8 ohms)' in the feature list and 'delivers 2x 85W' in the body text, so both numbers describe this amplifier and only one of them is comparable with a full-band rating.

geprüft am 5.8.2026

* Geschätzt über das Abschreibungsmodell (~72% Restwert). · geprüft am 5.8.2026