TOA Electronics M-1264 M-1212E - Manual (Page 9)

Matching Transformer Specifications
* 0 dB = 0.775 Vrms ** Specifications are subject to change without notice.
PHANTOM POWER SUPPLY
CAUTION
THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC
SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING
INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO. REFER ALL SERVICING TO QUALIFIED SERVICE
Phantom power (+24V DC) can be supplied to each monaural input using the internal phantom power switch.
Set the power switch to OFF, and remove the power cord from a wall outlet.
Remove the unit's case by loosening six side panel screws (three each on both sides) and two rear panel screws.
Set the phantom power switch of the desired input to ON.
Replace the case.
[Precautions]:
To avoid electric shocks, do not touch the unit's internal components except when installing the input transformer
and setting the phantom power switch.
Leave the phantom power switch in the OFF position for inputs not receiving the phantom power. (The unit is
factory-preset as shown in the figure below.)
Model
Impedance
Frequency response
Constant loss
Distortion
LT-101
10k :10k
Within ± 0.15 dB (30 Hz~20 kHz)
Within 1.5 dB (1 kHz)
0.2 % or less (50 Hz / +5 dB*)
LT-102
600 : 600
Within ± 0.15 dB (30 Hz~20 kHz)
Within 1.5 dB (1 kHz)
0.2 % or less (50 Hz / +5 dB*)
Upper switch
Lower switch
Upper inputs (CH-1, 3, 5, ..)
Lower inputs (CH-2, 4, 6, ..)
M-1264 (M-1212E) rear panel
PERSONNEL.