User manual
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
Technical Specifications 
10 
6.2.1  Changing the VM-80A Default Mode 
By factory default, the VM-80A starts in 1:8 mode.  
To change the default mode to 2x1:4: 
1.  Disconnect the device from its power source. 
2.  Open the top cover of the device. 
3.  Move the jumper on the main board from JP1 to JP2.  
This operation must be performed by a qualified technician. 
7  Technical Specifications 
The VM-1610 and VM-80A technical specifications are shown in Table 3: 
Table 3: Technical Specifications
1
VM-1610  VM-80A 
INPUT: 
2 balanced audio stereo +4dBu, 50kΩ on 
detachable terminal blocks 
2 balanced audio stereo +4dBu, 100k
Ω  on 
terminal block connectors 
OUTPUT:  10 (or 2x5) balanced audio stereo +4dBu, 
50Ω on detachable terminal blocks 
8 (or 2 x 4) balanced audio stereo, +4dBu, 
50
Ω on terminal block connectors 
AUDIO BANDWIDTH 
(-3dB): 
>100kHz  20kHz 
MAX. AUDIO 
OUTPUT: 
18Vpp  20Vpp 
GAIN RANGE:  0.5dB to +9.5dB (four trimmers - two for 
each input channel) 
0.2 to 5.8dB (four trimmers - two for each 
input channel) 
AUDIO S/N RATIO:  92dB @1Vpp  100dB @1Vpp 
CROSSTALK:  -84.5dB  -60dB@1kHz 
CONTROL:  Front selector switch for 1:10 or 2x1:5 
operation, 4 front accessible gain trimmers 
Front selector switches for 1:8 or 2x1:4 
operation, 4 front accessible gain trimmers 
COUPLING:  AC (input), DC (output)  AC (input); DC (output) 
THD:  0.011% at 1kHz  0.02% 
2
ND
 HARMONIC:  0.003%  0.006% 
POWER SOURCE:  230V AC, (115V AC U.S.A.), 21VA  230V AC, 50/60Hz (115V AC U.S.A.) 
6.7VA 
DIMENSIONS:  19” x 7” x 1U W, D, H, rack mountable  22cm x 18cm x 4.5cm (8.7” x 7” x 1.8”) W, 
D, H (half 19”) 
WEIGHT:  2.6kg (5.7lbs) approx  1.2kg (2.7lbs) approx 
ACCESSORIES:  Power cord  Detachable AC power cord 
OPTIONS:    RK-1 19” rack adapter 
1 Specifications are subject to change without notice 










