Benchmark AHB2 Silver

Artikelnummer 1065119

POWER AMPLIFIER

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CONTINUOUS AVERAGE OUTPUT POWER

< 0.0003 % THD+N at full rated power, 20 Hz to 20 kHz

100 Watts per channel into 8 Ohms, both channels driven
130 Watts per channel into 6 Ohms, both channels driven
190 Watts per channel into 4 Ohms, both channels driven
240 Watts per channel into 3 Ohms, both channels driven
200 Watts into 16 Ohms, bridged mono
380 Watts into 8 Ohms, bridged mono
480 Watts into 6 Ohms, bridged mono

All speakers have variations in input impedance. Select loads based on nominal impedances not minimum impedances. The AHB2 is stable into all loads. The AHB2 is conservatively rated at an output level where THD+N is < 0.0003 % instead of the more typical 1% THD+N. Power at 1% THD will be higher.

OUTPUT VOLTAGE INTO VARIOUS LOAD IMPEDANCES

< 0.0003 % THD+N at the following output voltages and load impedances, 20 Hz to 20 kHz

29.03 dBV, 31.25 dBu, 28.28 Vrms into 8 Ohms, both channels driven
28.92 dBV, 31.14 dBu, 27.93 Vrms into 6 Ohms, both channels driven
28.81 dBV, 31.03 dBu, 27.57 Vrms into 4 Ohms, both channels driven
28.57 dBV, 30.79 dBu, 26.83 Vrms into 3 Ohms, both channels driven
27.14 dBV, 29.36 dBu, 22.76 Vrms into 2 Ohms, both channels driven
35.05 dBV, 37.27 dBu, 56.57 Vrms into 16 Ohms, bridged mono
34.83 dBV, 37.05 dBu, 55.14 Vrms into 8 Ohms, bridged mono
34.59 dBV, 36.81 dBu, 53.67 Vrms into 6 Ohms, bridged mono
33.16 dBV, 35.38 dBu, 45.52 Vrms into 4 Ohms, bridged mono

Use dBV to calculate the peak SPL from your speaker/amplifier combination. Use the following formula: Amplifier output voltage in dBV + speaker sensitivity at 2.83V - 9 dB. Example: (29.03 dBV at 8 Ohms) + (90 dB SPL @ 2.83V 1m) - 9 dB = 110 dB SPL at 1 meter

SNR & DYNAMIC RANGE

Rated output relative to output noise, inputs shorted

132 dB A-weighted, Stereo Mode
135 dB A-weighted, Mono Mode
130 dB Unweighted, 20 Hz to 20 kHz, Stereo Mode
133 dB Unweighted, 20 Hz to 20 kHz, Mono Mode

NOISE VOLTAGE

Output noise voltage, A-weighted, inputs shorted

-103 dBV, -101 dBu, 7.1 uVrms, Stereo Mode
-100 dBV, -98 dBu, 9.8 uVrms, Mono Mode

Use dBV to calculate the SPL of the noise produced by your speaker/amplifier combination. Use the following formula: Amplifier output noise voltage in dBV + speaker sensitivity at 2.83V - 9 dB. Example: Mono mode driving very high efficiency speakers: (-100 dBV) + (104 dB SPL @ 2.83V 1m) - 9 dB = -5 dB SPL at 1 meter. This means that the system noise will be 5 dB below the threshold of hearing when driving speakers with a very high 104 dB efficiency.

NOISE RELATIVE TO 2.83 VRMS

Output noise relative to 2.83 Vrms, A-weighted, inputs shorted

-112 dB, Stereo Mode
-109 dB, Mono Mode

THD+N

1 kHz, 80 kHz LPF, at full rated output into any rated load

< -118 dB (< 0.00013%), Stereo Mode
< -118 dB (< 0.00013%), Mono Mode

THD

1 kHz, 20 kHz LPF, at full rated output into any rated load

< -119 dB (< 0.00011%), Stereo Mode
< -120 dB (< 0.00010%), Mono Mode

CROSSTALK

Better than -115 dB at 1 kHz
Better than -92 dB at 20 kHz

FREQUENCY RESPONSE

Better than 0.1 Hz to 200 kHz, +0/-3 dB

-0.01 dB at 20 Hz, -0.17 dB at 20 kHz, 8-Ohm Load
-0.23 dB at 20 Hz, -0.32 dB at 20 kHz, 4-Ohm Load

DAMPING FACTOR

350 at 20 Hz, 8-Ohms
254 at 1 kHz, 8-Ohms
34 at 20 kHz, 8-Ohms
7 at 200 kHz, 8-Ohms

MAXIMUM AUDIO OUTPUT CURRENT

29 A peak, per channel, both channels driven

INPUT SENSITIVITY

Low-Gain = 22 dBu (9.8 Vrms), Gain = 9.2 dB
Mid-Gain = 14.2 dBu (4 Vrms), Gain = 17.0 dB
High-Gain = 8.2 dBu (2 Vrms), Gain = 23 dB
Use Mid-Gain or High-Gain settings for unbalanced inputs
Unbalanced inputs require RCA to XLRM adapter cables

INPUT IMPEDANCE

50 k Ohms, normal mode
1 M Ohm, common mode

INPUT CMRR

80 dB at 20 Hz, typical
80 dB at 1 kHz, typical
65 dB at 20 kHz, typical

TRIGGER I/O

12 VDC 200 mA current-limited output to trigger turn-on of remote devices
DC input for slaving to remote devices
Input responds to 3.3 V logic and higher, VIL = 1.26 V, VIH = 2.7 V
Absolute maximum input voltage = 30 VDC
Absolute minimum input voltage = -0.3 VDC
Input Impedance = 20 k Ohms

PROTECTION CIRCUITS

Fully Electronic, No Relays
Mute Sequencing
Distortion Detection
Short Circuit Detection
Over Current Detection
Over Temperature Detection
SOA Detection (Output device safe operating area)

DIMENSIONS

NON-RACK-MOUNT VERSION:

11.04" W x 3.88" H x 9.34 " D - Including feet and binding posts
11.04" W x 3.47" H x 8.33 " D - Excluding feet and connectors

Faceplate height is 2RU

RACK-MOUNT VERSION:

19.00" W x 3.88" H x 10.62 " D - Including binding posts, handles and removable feet
19.00" W x 3.47" H x 8.33 " D - Excluding feet and connectors
9.09" rack depth, including binding posts, excluding cables
11" rack depth, including cables
Faceplate height is 2RU

WEIGHT

12.5 lbs., 16 lbs. shipping - Non-rack-mount version
13.5 lbs., 17 lbs. shipping - Rack-mount version

AC INPUT

Auto-ranging AC Input
100 to 120 VAC +/- 10%, 8 Amps, 50 - 60 Hz
220 to 240 VAC +/- 10%, 8 Amps, 50 - 60 Hz
Idle Power Consumption = 20 W
Standby Power Consumption < 0.5 WPPTSSTVB248-ES3765699-5E49591