Bryston BP20, BP25 owner manual General Specifications, MPS-1 Power Supply Specifications

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:

2 pair balanced female XLR inputs

1 pair balanced male XLR outputs

5 pair RCA inputs

4 pair RCA + 1 pair phono inputs (BP-20/25P and BP- 20/25MC only)

4 pair RCA + 2 SPDIF digital inputs (BP20/25 DA only) 2 pair RCA outputs

1 tape loop

Options:

Silver faceplate & hand held remote (std. is black) 19” x 1.75” Rack mount faceplate (std. 17” long) Moving magnet RIAA phono equalization module Moving coil & moving magnet RIAA phono EQ module

Digital audio input (SPDIF) 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:

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)

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

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

Input sensitivity: 350uV (0.35mV)

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

Sept 2003 2