Bogen BPA-60 Service Manual
TECHNICAL SPECIFICATIONS
Model BPA-60
Rated Output Power:
60
watts (rms) from
I5kHz
at less than 2%THD
into rated load
Frequency Response:
Input Sensitivity:
Low-impedance, balanced: 75mV with accessory transformer Model
Output Regulation:
Hum and Noise:
Inputs (Impedance):
Low-impedance:
Line-bridging with accessory transformers
Output Loads:
Lo-Cut Filter:
Controls, Indicators;
Front Panel:
Rear Panel:
Power Consumption;
I20VAC, 60Hz
@
Full Rated Output:
Overload Protection:
Auxiliary Receptacle:
(not switched)
Dimensions:
Finish:
Weight:
Rack Panel Brackets:
Accessories:
I
I
8-ohm/25V,
25VCT and 70V
Input Level Control; Circuit Breaker Reset Switch; Lo-Cut Filter Switch
AC Circuit Breaker. Thermal Circuit Breaker, Transient Protection Diodes
15.25”Wx8”Dx3.5”H
(38.7 x 20.3 x 8.9 cm)
19
Model BPA- 125
50Hz
to
impedances
-2dB
from
20Hz
125 watts
15kHz
to 2OkHz
(rms)
from
at less than 2% THD
into rated load impedances
High-impedance: 300mV;
Better than 2dB from no load to full load
85dB below rated output
High-impedance:
600-ohms
balanced, with accessory transformer
16-ohms,
50k-ohms
unbalanced;
TLl00
4-ohm/25V,
or TLlOK
16-ohms,
25VCT and 70V
-1OdB @ 1OOHz
(Switch-Selectable)
Illuminated Power Switch
18OW
1
360w
Three-wire grounded* 300 watts maximum
15.25”Wx8”Dx5.25”H
lbs. (8.6 kg)
RPK-53
Model
TL600, 600-ohm
Model
Model TLlOK,
Black
line-matching transformer
TLIOO, 1:1
10,000-ohm
ratio transformer
line-matching transformer
(38.7 x 20.3
x
13.3 cm)
27 Ibs. (12.3 kg)
RPK-54
5OHz
TL600
TL600;
to
1
*This receptacle will be grounded only if the power amplifier has been grounded properly
All specifications subject to change without notice
AMPLIFIER
GND
AMPLIFIER I AMPLIFIER 2
GND COM
A74-2021-01
Figure 1 - Connecting Amplifiers in Series
1
COM 25VCT
l6fi
I
AMPLIFIER 2
GND COM
GND COM
25VCT
lGfI
OUTPUT
TERMINAL
sz&RoF
AMPLIFIER
7OV
AT
AT 25V RI =
RI =
Figure 2
2
10K, 1/2W
3.3K, 1/2W
-
Input From Another Amplifier
-0730-A
IMPEDANCE
INPUT
OF
POWER
AMPLIFIER
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