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BP26 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 (BP26P & BP26MC
only)
4 pair RCA + 2 SPDIF digital inputs (BP26 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” (or 19”) x 2.25” x 11”
43.18cm x 5.7cm x 28cm
Rack mount version: 19” x 1.75” x 11”
48.26cm x 4.44cm x 28cm
Weight:
actual: 12.4 lb. (5.62Kg)
shipping: 16 lb. (7.25Kg)
Additional Specifications for BP26DA:
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 BP26P:
Phono Inputs:
Distortion: <0.005%, IM or THD, any frequency
or combination of frequencies 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 BP26MC
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, with-
in less than +/- 0.5dB
Input sensitivity: 350uV (0.35mV)
Serial Number, Date Code, Electrical Ratings & Model
ATTENTION: To obtain the model number and serial
number of this product please refer to the label attached
to the bottom cover.
This label also contains electrical ratings and the date
code (date of manufacture). The date code is a 4 digit
code wherein the first 2 digits are the two least significant
digits of the year (e.g. “05” means the year 2005) and the
last two digits are the week of the year (numbered from
01 to 52)
2
Although all of the above specications can be met regardless of whether the BP26 pream-
plier is positioned immediately above or below the MPS2 power supply, optimum perfor-
mance will be achieved when the power supply is positioned above the preamplier.