Infinity RS 7 Kappa

Specs

3-way configuration,

closed box,

PP IMG woofer Infinity #902-3054 305mm, foam surround,

PP dome midrange Infinity Polydome k #902-3068 76mm,

planar tweeter Infinity EMIT k #902-3082,
40-200W@4-6Ω,
37-45000Hz ±3 dB,
sens. 88 dB,
mid/hi level,
mm 432x940x305, kg 31,0.

Siemens ELA 39-16 (outside only)

leaflet Siemens

leaflet Siemens

Specs
3-way configuration,
closed box,
1 paper cone woofer 320mm,

1 paper cone midrange 130mm,

4 paper cone tweeter,
70W@8Ω,
20-20000Hz,
sens. --dB,
mm 610x550x320, kg 27,0.

Akai GXC-706D

Specs
2 heads,
2 motor,
3 digit counter,
Dolby NR,
Fe 35-13000Hz ±3dB,
CrO2 35-14000Hz ±3dB,
S/N 56dB (CrO2, 5 kHz, Dolby off), S/N 66dB (CrO2, 5 kHz, Dolby on),
W&F (wrms) 0,055%,
mm 440x150x290, kg 6,5.

Akai CS-705D

Specs
2 heads,
2 motor,
3 digit counter,
Dolby NR,
Fe 35-14000Hz ±3dB,
CrO2 35-15000Hz ±3dB,
S/N 50dB (CrO2, Dolby off), S/N 60dB (CrO2, Dolby on),
W&F (wrms) 0,08%,
mm 440x165x300, kg 6,8.