Specifications subject to change without
notice. |
Mapletree
Ear+ HD |
SugarMaple
Sidewinder |
SugarMaple
OD300 |
SugarMaple
Viper |
Power Out into
32 Ohms; HiZ output |
70 mW |
200 mW |
700 mW |
100 mW (150 Ohms) 200 mW (300 Ohms) |
Power Out into 16
Ohms; HiZ output |
- |
100 mW |
1400 mW |
- |
Frequency Response |
10 Hz–20 kHz -1 dB |
10 Hz–40 kHz -1 dB |
10 Hz–40 kHz -1 dB |
10 Hz-20 kHz -0.8 dB |
Gain (1 kHz; HiZ
output) gain is approximately 3 dB lower at LoZ output |
10
dB |
14 dB |
9 dB |
24 dB |
Phase |
non-inverting |
non-inverting | non-inverting | inverting |
Tubes supplied |
2x12B4A (NOS) 1x12AX7/5751 (new) |
2x6DJ8 (new) 1x12AX7 (new) |
1x6080 (NOS) 1x6SL7GT (new) |
4x6922/6DJ8 (new) 1x12AX7 (new) |
nput impedance |
50k Ohms |
50k Ohms | 50k Ohms | 50k Ohms |
Output impedance
(LoZ output) output impedance is approximately double for HiZ output |
3.5 Ohms |
0.75 Ohms |
1.1 Ohms |
28 Ohms |
Recommended headphone
impedance (Any headphone impedance can be connected to either HiZ or LoZ outputs with a 3 dB reduction in output level for LoZ at same volume setting.) |
30–600 Ohms |
16–600 Ohms |
16–600 Ohms |
>150 Ohms |
Power consumption
(120 VAC or 240 VAC, 50-60 Hz) |
35 W |
35 W |
90 W |
~ 60 W |
Footprint |
single chassis 6" x 10" |
single chassis 6" x 10" |
two chassis 6" x 10" |
single chassis 6" x 10" |
Options |
choice of chassis color/side panel finish |
6AS7G output tube |
||
History |
2002 |
2014 |
2014 |
2017 |
Appearance |
painted chassis with choice of wood side panels (standard is black chassis with oak side panels) |
black chassis with oak corner posts |
black chassis with oak corner posts |
black chassis with oak corner posts |