B1:
- Effect Types: 46
- Effect Modules: 8
- A/D Conversion: 24 bit, 128times over-sampling
- Input : 1/4" phone jack (Rated input level: -20 dBm, Input impedance: 470 kOhm)
- Output (Line / headphones combined): 1/4" stereo phone jack (Maximum output level [LINE] +3 dBm, output load impedance 10 kOhm or higher / [Headphones] 20 mW + 20 mW, into 32 Ohm load)
- SNR 110 dB
- Battery Life: 12 hours(with alkaline batteries)
- Weight (without batteries) : 350 g
B2:
- Effect Types: 47
- Effect Modules: 9
- Maximum Simultaneous Effects: 9
- A/D Conversion: 24bit, 64times over-sampling
- Input: 1/4" phone jack (Rated input level: -20 dBm, Input impedance: 1 MOhm
- Output (Line / headphones combined): 1/4" stereo phone jack (Maximum output level: +5 dBm, Output load impedance: 10 kOhm or higher)
- SNR 120 dB
- Battery Life: 7.5 hours (with alkaline batteries)
- Weight: 700 g (without batteries)
Beide gleich:
- Patch Memory: User 40 + Preset 40, Total 80
- Sampling Frequency: 96 kHz
- D/A Conversion: 24 bit, 128times over-sampling
- Signal Processing: 32 bit
- Frequency Response: 20 Hz - 40 kHz +1.0 dB/-4.0 dB (with 10 kOhm; load)
- Power Requirements: AA size (LR6) battery x 4 (Optional), or AC adaptor DC 9 V / 300 mA / Center minus type (AD-0006 recommended)
- Display: 2 digit 7 segment LED display, Parameter LED
Ganz gleich sind sie also nicht. Welchen Unterschied es macht, ob die Eingangsimpedanz 470 kOhm oder 1 MOhm hat, müssen die Elektronikexperten beantworten. Ob du die Unterschiede aber klanglich raushörst, wage ich vorerst zu bezweifeln. Es käme aber auf einen Versuch an.