Bryston BP20 사용자 설명서

BP20/25 PreAmplifiers

General Specifications:

Frequency Response:
20Hz-20kHz +/- .05dB

Maximum Output:
15 volts unbalanced, 30 volts balanced

IMD/THD:

<0.0015% at 3 volts out

Sensitivity:

Balanced inputs:

1.00 V

UnBalanced line level inputs:

500 mV

Rated Noise:
-100dB (Ref. 500mV unbalanced input, 20-20kHz)
-103dB (Ref. 1 volt balanced input 20-20kHz)

XLR Connector Pin out (Balanced I/O):
Pin 1 ground, pin 2 positive, pin 3 negative

Features:

20/25MC only)

Options:

module

Dimensions:
Standard version:

17” x 1.75” x 11”
43.18cm x 4.44cm x 28cm

Rack mount version:

19” x 1.75” x 11”
48.26cm x 4.44cm x 28cm

Weight:

17 lbs (7.5 kg)

MPS-1 POWER SUPPLY SPECIFICATIONS:

Dimensions:

7.75” x 4.525” x 2.36”h

Weight:

2.6 lb. (1182g)

Electrical:

120VAC/60Hz/29VA, Fuse: 315mA/250V time lag
230VAC/50Hz/29VA, Fuse: 160mA/250V time lag
240VAC/50Hz/29VA, Fuse: 160mA/250V time lag

Output:

+/-28VDC @ 350mA (56VDC @ 700mA)

All fuses are 5mm x 20mm, time lag type and are accessi-
ble only by removing the top cover. When replacing
fuses, disconnect the power cord before opening the unit!

Recommended replacement fuses:
for 100/120VAC models:

Littlefuse 218.315
Bussmann GMC-315mA

for 230/240VAC models:

Littlefuse 218.160
Bussmann GMC-160mA

Additional Specifications for BP20/25DA:

Input Sample Rate:

16kHz to 108kHz.

Word Length:

16, 18, 20, 24 Bit

Data format:

SPDIF standard

Distortion:

< 0.002%, 20Hz-20kHz

Signal to Noise Ratio:

> 100dB

Frequency Response:

20Hz-20kHz +/- .1dB

Additional Specifications for BP20/25P
Phono Inputs:
Distortion:

<0.005%, IM or THD, any frequency or combination of fre-
quencies from 20-20kHz, at rated output or below.

Rated Noise:
Phono: -80dBA referred to an input of 5 millivolts RMS @
1kHz

RIAA Accuracy:
Within less than +/- 0.05dB from 20-20kHz inclusive

Input sensitivity:

5mV

Additional Specifications for BP-25MC
Phono Inputs:

Distortion:
<0.005%, 20-20kHz, with preamplifier driven to full rated
output

Noise:
Equivalent to approximately 1000 ohm metal film register
(Thermal noise greater than 85dB below 0.6mV input,
unweighted)

Gain: 16.5 or 22.5dB (internally reconfigurable)

Frequency Response: Below 5Hz to above 30kHz, within
less than +/- 0.5dB

Input sensitivity:

350uV (0.35mV)

Sept 2003